阅读说明：本技术 一种地震相对重力联测电子记簿系统及运行方法 (Earthquake relative gravity joint measurement electronic book system and operation method ) 是由 刘少明 贾骏超 贾国然 胡敏章 郝洪涛 汪健 王嘉沛 李忠亚 于 2021-07-30 设计创作，主要内容包括：本发明属于地震流动重力监测技术领域,公开了一种地震相对重力联测电子记簿系统及运行方法,所述地震相对重力联测电子记簿系统包括：数据采集模块,梯度测量模块,静态测试模块,仪器检调模块,数据处理与输出模块,测点信息管理模块。本发明在充分市场调研基础上,采用安卓平板电脑进行数据采集,优势是续航时间长,防水效果好；采用流行软硬件,性能稳定；掌上电脑更新为平板电脑后,可以根据需要购买不同大小屏幕,解决过去很多老观测员因屏幕小看不清的问题,增加重力自由差平差结果与旧数据平差法结果相比,进行了平差,优于过去简单算术平均法,该方法在进行支线测量时无需新建工程,结点无需读两次数,提高了工作效率。(The invention belongs to the technical field of earthquake flowing gravity monitoring, and discloses an earthquake relative gravity joint measurement electronic book recording system and an operation method thereof, wherein the earthquake relative gravity joint measurement electronic book recording system comprises: the system comprises a data acquisition module, a gradient measurement module, a static test module, an instrument debugging module, a data processing and output module and a measuring point information management module. On the basis of full market research, the android tablet personal computer is adopted for data acquisition, and the advantages of long endurance time and good waterproof effect are achieved; the performance is stable by adopting popular software and hardware; after the palm computer is updated to a tablet personal computer, screens of different sizes can be purchased according to needs, the problem that many old observers cannot see clearly due to small screens in the past is solved, the gravity free difference adjustment result is added, the adjustment is performed compared with the result of an old data adjustment method, the adjustment is superior to the simple arithmetic mean method in the past, a new project is not needed when branch line measurement is performed, the nodes do not need to read for two times, and the working efficiency is improved.)

1. An electronic seismic relative gravity joint survey bookkeeping system, comprising:

the data acquisition module is used for realizing data acquisition of the LCR, CG and BURRIS gravimeters;

the gradient measurement module is used for realizing data acquisition, data processing and output of vertical gradient and horizontal gradient;

the static test module is used for recording and processing static precision test data of the LCR gravimeter and processing static test data of CG and BURRIS type gravimeters;

the instrument checking and adjusting module is used for realizing the checking and adjusting of the gravimeter;

the data processing and output module is used for processing and outputting the data of the LCR, CG and BURRIS gravimeters;

and the measuring point information management module is used for managing information such as measuring point coordinates, levels and the like, and can acquire and store measuring point position information in real time and output a point memory file.

2. The system of claim 1, wherein in the data acquisition module, the data acquisition is divided into static accuracy test, dynamic accuracy test, long baseline one-time scale factor calibration, short baseline one-time scale factor calibration, and relative gravity measurement; the long and short baseline first-term scaling factor calibration is suitable for LCR-G type gravimeters, CG-5/6 type gravimeters and BURRIS type gravimeters.

3. The system of claim 1, wherein in the data acquisition module, each measurement point data includes gravity and environmental data; the gravity data comprises a point number, a point name, a point type, longitude and latitude, elevation, an instrument number, an instrument height, an instrument internal temperature, an instrument position, whether to measure still, whether to invalidate, whether to measure again, an observer, a recorder, observation time, an instrument reading and remark information; the environmental data consists of amplitude, temperature, air pressure, weather, and vehicle.

4. The system of claim 1, wherein in the static test module, the process flow of the gravimeter static test data comprises: after solid tide correction, drawing a zero drift curve, and calculating a linear drift rate; and the input and processing of CG and BURRIS type gravimeter static test data are supported. And the LCR gravimeter supports real-time acquisition, processing and graphic output of the statics measuring data.

5. The system according to claim 1, wherein in the data processing and output module, the correction of coefficients of one time of solid tide, air pressure, instrument height, null shift and grid value is added during the data processing; calculating the average value of the segment difference and the error in the average value; and a gravity net adjustment function is added, and the free net adjustment is adopted to calculate the self-mutual difference of the section difference.

6. The system of claim 1, wherein in the instrumentation and tuning module, the CG5 gravimeter has X-axis tilt sensor testing and tuning, Y-axis tilt sensor testing and tuning, X-axis tilt sensor sensitivity testing and tuning, Y-axis tilt sensor sensitivity testing and tuning, tilt sensor cross-coupling testing and tuning, gravity sensor testing, and cross-bubble testing; the CG6 model gravimeter has offset and sensitivity tuning and cross bubble detection.

The LCR gravimeter has the functions of fine adjustment of longitudinal and transverse air bubbles before measurement, daily detection of longitudinal and transverse air bubbles and sensitivity detection and adjustment.

The BURRIS gravimeter comprises the steps of adjusting the upper and lower stop ends of a swing rod and a reading line, adjusting the balance position and gain of a longitudinal and transverse leveling galvanometer, detecting a swing rod factor and a feedback factor and calibrating a feedback coefficient.

7. The seismic-gravimetry electronic bookkeeping system of claim 1 in which the hardware and operating system requirements of the seismic-gravimetry electronic bookkeeping system include:

the Android system tablet computer has a screen size not smaller than 7 inches and a resolution not smaller than 1080P; the processor dominant frequency is not less than 1.4 GHz; the system memory is not less than 2 GB; the system has the storage capacity not less than 64GB, has the storage expansion function, supports the Micro SD card, namely the TF card, and has the maximum support not less than 128 GB; the resolution ratio is not lower than 800 ten thousand pixels; a GPS or Beidou chip is arranged in the mobile terminal; the wireless function can be turned off;

and various mainstream app applications of the Android operating system are supported, including positioning navigation, photographing, file transmission and document processing.

8. The seismic-gravitional simultaneous survey electronic notebook system according to claim 1, characterized in that the file system of said seismic-gravitional simultaneous survey electronic notebook system comprises:

the file system consists of an information file, an original data file, a backup file and an export file;

wherein the information files comprise observation information, a grid value table, known points and a survey station information file;

the backup file is a text document reserved for preventing data loss in a software testing stage, is reserved and encrypted at present and can be restored into an original data file;

the original data file is encrypted, cannot be edited and can only be exported;

the export files comprise an interior trade adjustment exchange file, an exchange file, a point note file and a printing file.

9. An operation method of an earthquake-relative-gravity joint measurement electronic book system applying the earthquake-relative-gravity joint measurement electronic book system according to any one of claims 1 to 8, wherein the operation method of the earthquake-relative-gravity joint measurement electronic book system comprises the following steps:

step one, installing an APP;

step two, preparing a pre-stored file, wherein the pre-stored file comprises measuring point information and a grid value table;

step three, running the APP;

step four, establishing a project; or opening the existing project, and performing field data processing after the project is opened;

performing corresponding operation according to the newly built or opened project, or performing static data processing and outputting a static curve chart, or performing instrument adjustment or performing gravity measurement;

step six, after the instrument adjustment and the gravity measurement are finished, storing data, and if the measuring line is closed and the data has no recording error, performing field data processing and outputting the data;

step seven, if the output data is a print file, performing data submission evaluation; if the file is an interior trade adjustment file, performing interior trade data processing to generate a data report, and submitting the data to an evaluation; if the file is exchanged, judging whether a recording error exists, and if not, performing field data processing; if yes, correcting errors, generating a data report and submitting the data to an evaluation, and if not, generating the data report and submitting the data to the evaluation.

10. An information data processing terminal, characterized in that the information data processing terminal is equipped with the earthquake relative gravity joint measurement electronic book system according to any one of claims 1 to 8.

Technical Field

The invention belongs to the technical field of earthquake flowing gravity monitoring, and particularly relates to an earthquake relative gravity joint measurement electronic book recording system and an operation method.

Background

At present, field data acquisition of earthquake flow gravity monitoring units is subjected to a continuous upgrading process from paper records to a PC computer to a palm computer, the early-stage paper records need manual operation, data cannot be calculated on site, and are easily influenced by weather such as rain, the data can be processed and observed results can be evaluated only by recording the data into the computer one by one indoors, a PC version electronic book system is compiled in 2000 by the general reference of Japan and university of Jia, and is compiled by VC + + language based on a Windows operating system and used in crust movement observation network engineering gravity measurement, and the PC version records can also be influenced by weather, are not waterproof, heavy and have short battery endurance time.

The PDA (palm computer) version electronic book system used by the current earthquake system is developed by the earthquake research institute of the Chinese earthquake bureau and the Tianjin Tianwei technology development company in 2006, has no defects, is used up to now, but is not suitable for the requirement of earthquake flow data acquisition due to the change of the market hardware and software environment, and is a WinCE operating system in the early stage and then upgraded to Windows Mobile in the aspect of the software environment. The market utilization rate of the system is high in the early stage, the system is defeated in later competition with the apple IOS and Android operating system, is eliminated for the market, and is released from the market. On the hardware side, PDA (personal digital assistant) based on Windows Mobile operating system is off production, and the market available is remained.

If the current popular portable equipment and operating system are not adopted, the electronic book keeping system is designed, and the situation that the electronic book keeping system is not suitable to be used is faced, and the electronic book keeping system returns to the manual paper recording era. In order to adapt to market environment changes, the hardware and operating system environment of the electronic book system is in urgent need of updating.

The algorithm of the electronic book system is perfected, and at present, after the data processing is carried out on the solid tide and drift correction, the self-mutual difference of the segment difference is calculated through simple arithmetic mean without adjustment.

Through the above analysis, the problems and defects of the prior art are as follows:

(1) aiming at field data acquisition of earthquake flowing gravity monitoring units, early-stage paper recording, manual operation, incapability of calculating data on site, easiness in weather influence such as rain and the like, data are recorded into a computer one by one indoors, and then data processing and observation results are evaluated; and the PC version records are also influenced by weather, are not waterproof, and are heavy and short in battery endurance time.

(2) The PDA (palm computer) version electronic notebook system used in the earthquake system at present, but because of the change of the hardware and software environment of the market, it is not suitable for the requirement of earthquake flow data acquisition, in the aspect of software environment, the operating system is eliminated for the market, and has been released from the market; on the hardware side, the PDA based on Windows Mobile operating system is off production, and the market available is the rest.

(3) If the current popular portable equipment and operating system are not adopted, the electronic book keeping system is designed, and the electronic book keeping system returns to the manual paper recording era when no suitable electronic book keeping system is available; the algorithm of the electronic book system is perfected, and at present, after the data processing is carried out on the solid tide and drift correction, the self-mutual difference of the segment difference is calculated through simple arithmetic mean without adjustment.

The difficulty in solving the above problems and defects is:

based on an Android operating system, an object-oriented software system is designed, so that data acquisition, checking, data processing and data output are realized, and the reality and confidentiality of data are ensured.

The significance of solving the problems and the defects is as follows: the earthquake relative gravity joint measurement data acquisition and processing system takes earthquake gravity measurement specification as a standard to carry out data acquisition, checking, data processing and output, and can automatically complete segment difference calculation and result output. The system is developed by JAVA, is suitable for the tablet personal computer based on the Android operating system, is more perfect in the scientificity, the practicability and the comprehensiveness of design, and is object-oriented design and gravity measurement engineering-oriented management and application.

Disclosure of Invention

Aiming at the problems existing in the existing earthquake gravity data acquisition system, the invention provides an earthquake relative gravity joint measurement electronic book system and an operation method.

The invention is realized in this way, an earthquake relative gravity joint measurement electronic book system, comprising:

the data acquisition module is used for realizing data acquisition of the LCR, CG and BURRIS gravimeters;

the gradient measurement module is used for realizing data acquisition, data processing and output of vertical gradient and horizontal gradient;

the static test module is used for recording and processing static precision test data of the LCR gravimeter and recording and processing static test data of CG and BURRIS type gravimeters;

and the instrument checking and adjusting module is used for realizing the checking and adjusting of the gravimeter.

The data processing and output module is used for processing and outputting the data of the LCR, CG and BURRIS gravimeters;

and the measuring point information management module is used for managing information such as measuring point coordinates, levels and the like, and can acquire and store measuring point position information in real time and output a point memory file.

Further, in the data acquisition module, the data acquisition is divided into static precision test, dynamic precision test, long baseline primary item scale factor calibration, short baseline primary item scale factor calibration and relative gravity measurement; wherein, the long and short baseline first-term scale factor calibration is suitable for LCR-G type gravimeters, CG-5/6 type gravimeters and BURRIS type gravimeters

Furthermore, in the data acquisition module, each measuring point data comprises gravity and environment data; the gravity data comprises a point number, a point name, a point type, longitude and latitude, elevation, an instrument number, an instrument height, an instrument internal temperature, an instrument position, whether to measure still, whether to invalidate, whether to measure again, an observer, a recorder, observation time, an instrument reading and remark information; the environmental data consists of amplitude, temperature, air pressure, weather, and vehicle.

Further, in the static test module, the processing flow of the gravity meter static test data includes: after solid tide correction, drawing a zero drift curve, and calculating a linear drift rate; and the input and processing of CG and BURRIS type gravimeter static test data are supported. And the LCR gravimeter supports real-time acquisition, processing and graphic output of the statics measuring data.

Further, in the data processing and output module, solid tide, air pressure, instrument height, null shift and lattice value one-time item coefficient correction are added during data processing; calculating the average value of the segment difference and the error in the average value; and a gravity net function is added, and the self-mutual difference of the section difference is calculated by adopting the free net adjustment.

Furthermore, in the instrument checking and adjusting module, the CG5 type gravimeter is provided with an X-axis inclination sensor checking and adjusting device, a Y-axis inclination sensor checking and adjusting device, an X-axis inclination sensor sensitivity checking and adjusting device, a Y-axis inclination sensor sensitivity checking and adjusting device, an inclination sensor cross coupling checking and adjusting device, a gravity sensor checking device and a longitudinal and transverse bubble checking device; the CG6 model gravimeter has offset and sensitivity tuning and cross bubble detection.

The LCR gravimeter has the functions of fine adjustment of longitudinal and transverse air bubbles before measurement, daily detection of longitudinal and transverse air bubbles and sensitivity detection and adjustment.

The BURRIS gravimeter comprises the steps of adjusting the upper and lower stop ends of a swing rod and a reading line, adjusting the balance position and gain of a longitudinal and transverse leveling galvanometer, detecting a swing rod factor and a feedback factor and calibrating a feedback coefficient.

Further, the hardware and operating system requirements of the earthquake relative gravity joint measurement electronic book system include:

the Android system tablet computer has a screen size not smaller than 7 inches and a resolution not smaller than 1080P; the processor dominant frequency is not less than 1.4 GHz; the system memory is not less than 2 GB; the system has the storage capacity not less than 64GB, has the storage expansion function, supports the Micro SD card, namely the TF card, and has the maximum support not less than 128 GB; the resolution ratio is not lower than 800 ten thousand pixels; a GPS or Beidou chip is arranged in the mobile terminal; the wireless function can be turned off;

and various mainstream app applications of the Android operating system are supported, including positioning navigation, photographing, file transmission and document processing.

Further, the file system of the earthquake relative gravity joint measurement electronic book system comprises:

the file system consists of an information file, an original data file, a backup file and an export file;

wherein the information files comprise observation information, a grid value table, known points and a survey station information file;

the backup file is a text document reserved for preventing data loss in a software testing stage, is reserved and encrypted at present and can be restored into an original data file;

the original data file is encrypted, cannot be edited and can only be exported;

the export files comprise an interior trade adjustment exchange file, an exchange file, a point note file and a printing file.

Another objective of the present invention is to provide an operation method using the electronic seismic-relative-gravity simultaneous measurement bookkeeping system, which includes the following steps:

step one, installing an APP;

step two, preparing a pre-stored file, wherein the pre-stored file comprises measuring point information and a grid value table;

step three, running the APP;

step four, establishing a project; or opening the existing project, and performing field data processing after the project is opened;

performing corresponding operation according to the newly built or opened project, or performing static data processing and outputting a static curve chart, or performing instrument adjustment or performing gravity measurement;

step six, after the instrument adjustment and the gravity measurement are finished, storing data, and if the measuring line is closed and the data has no recording error, performing field data processing and outputting the data;

step seven, if the output data is a print file, performing data submission evaluation; if the file is an interior trade adjustment file, performing interior trade data processing to generate a data report, and submitting the data to an evaluation; if the file is the exchange file, judging whether a recording error exists, if so, modifying the error, processing the field data to generate a data report, and submitting the data to an evaluation ratio, and if not, generating the data report and submitting the data to the evaluation ratio.

Another object of the present invention is to provide an information data processing terminal, wherein the information data processing terminal is equipped with the electronic recording system for earthquake-relative-gravity joint measurement.

By combining all the technical schemes, the invention has the advantages and positive effects that: the earthquake relative gravity joint measurement electronic book system provided by the invention adopts an android tablet personal computer to acquire data on the basis of full market research, and has the advantages of long endurance time and good waterproof effect.

Tablet computers are divided into an ARM architecture (representing products such as ipad and android tablet computers) and an X86 architecture (representing products such as Surface Pro), and the latter X86 architecture tablet computers generally adopt an intel processor and a Windows operating system, have complete computer and tablet functions, and support exe programs. Because the Windows operating system is specially designed for a personal computer, not a tablet computer, and in addition, the inertial thinking of the user in the use habit leads to that the Windows operating system cannot meet the harsh requirements of the user in various aspects such as software and hardware cooperation, use feeling and the like. On the tablet computer platform, the Windows operating system has a good foundation, but cannot exert corresponding potential, and has the taste of chicken ribs.

The iPad and the android tablet computer are removed from the X86-structured tablet computer, the iPad adopts an iOS operating system developed by apple Inc. for under-flag products, the advantages are smooth man-machine interaction, the fatal defects are that hardware and the operating system are all manufactured by the apple Inc., gravity data is confidential data, the iPad and the iOS operating system are applied to aerospace and military, nobody can ensure that the apple Inc. does not steal user data, and the risk is obvious when the iPad and the iOS operating system of the apple Inc. are adopted. Because the android system is open source, domestic companies can also produce the tablet personal computer, and compared with foreign companies, the domestic tablet personal computer can ensure the data security without the doubt of backdoor, and products can be customized according to the needs.

Based on the reasons, the tablet personal computer with the Android operating system is selected as a hardware carrier of the earthquake gravity acquisition system.

In the aspect of algorithm, a free net adjustment method is introduced to process observation data and obtain the self-mutual difference of the section difference.

The invention relates to an earthquake relative gravity simultaneous measurement data acquisition and processing system which is developed by combining the experience of gravity measurement and software development for many years and according to the requirements of earthquake gravity measurement technical specifications by combining the earthquake research institute of the earthquake of China with Tianjin Tianwei technology development limited company. The system takes the seismic gravity measurement standard as a standard, carries out data acquisition, checking, data processing and output, and can automatically complete segment difference calculation and result output. The system is developed by JAVA, is suitable for the tablet personal computer based on the Android operating system, is more perfect in the scientificity, the practicability and the comprehensiveness of design, and is object-oriented design and gravity measurement engineering-oriented management and application.

After the invention adopts the tablet personal computer for recording, the memory and the calculation speed are improved by several orders of magnitude, and the recording and data processing are smooth. By adopting popular software and hardware, the equipment can be purchased anywhere at any time, the price can be determined according to economic conditions, and the common tablet personal computer is much cheaper than the conventional palm computer and has stable performance; after the palm computer is updated to a tablet computer, screens of different sizes can be purchased according to needs, and the problem that many old observers cannot see clearly due to small screens in the past is solved.

The new earthquake relative gravity joint measurement of the invention increases the gravity free difference adjustment result, compared with the old data adjustment method result, the adjustment is carried out, the invention is superior to the past simple arithmetic mean method, the method does not need to newly build a project when carrying out branch measurement, the node does not need to read two times, and the working efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a block diagram of an electronic seismic-gravity simultaneous survey recording system according to an embodiment of the present invention;

in the figure: 1. a data acquisition module; 2. a gradient measurement module; 3. a static test module; 4. an instrument detection and adjustment module; 5. a data processing and output module; 6. and a measuring point information management module.

Fig. 2 is a flowchart of an operation method of the earthquake-relative-gravity simultaneous measurement electronic book system according to the embodiment of the present invention.

Fig. 3 is a schematic diagram of an operation method of the earthquake-relative-gravity simultaneous measurement electronic book system according to the embodiment of the present invention.

FIG. 4 is a static test chart of an LCR-G gravimeter using the present invention, provided by an embodiment of the present invention.

FIG. 5 is a diagram of an exported Netherlands format file provided by an embodiment of the present invention.

Fig. 6 is a diagram of an output swap file format file according to an embodiment of the present invention.

FIG. 7 is a graph of the vertical gradient calculation results provided by an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In view of the problems in the prior art, the present invention provides an electronic recording system for measuring earthquake relative gravity and an operation method thereof, and the present invention is described in detail with reference to the accompanying drawings.

As shown in fig. 1, the electronic book system for earthquake relative gravity simultaneous measurement provided by the embodiment of the present invention includes:

the data acquisition module 1 is used for realizing data acquisition of the LCR, CG and BURRIS gravimeters;

the gradient measurement module 2 is used for realizing data acquisition, data processing and output of vertical gradient and horizontal gradient;

the static test module 3 is used for processing the static test data of the gravimeter and inputting and processing the static test data of CG and BURRIS type gravimeters;

and the instrument checking and adjusting module 4 is used for realizing the checking and adjusting of the gravimeter.

The data processing and output module 5 is used for processing and outputting the data of the LCR, CG and BURRIS gravimeters;

and the measuring point information management module 6 is used for managing information such as measuring point coordinates, grades and the like, and can acquire and store measuring point position information in real time and output point memory files.

As shown in fig. 2, the operation method of the earthquake-relative-gravity joint measurement electronic book system provided by the embodiment of the invention comprises the following steps:

s101, installing an APP;

s102, preparing a pre-stored file, wherein the pre-stored file comprises measuring point information and a grid value table;

s103, running the APP;

s104, establishing a project; or opening the existing project, and performing field data processing after the project is opened;

s105, according to the newly built or opened project, performing corresponding operation according to the requirement, or performing static data processing and outputting a static curve graph, or performing instrument adjustment or performing gravity measurement;

s106, after instrument detection and gravity measurement are finished, data are stored, if a measuring line is closed and no recording error exists in the data, field data processing can be performed, and data output is performed at the same time;

s107, if the output data is a print file, performing data submission evaluation; if the file is an interior trade adjustment file, performing interior trade data processing to generate a data report, and submitting the data to an evaluation; if the file is the exchange file, judging whether a recording error exists, if so, modifying the error, processing the field data to generate a data report, and submitting the data to an evaluation ratio, and if not, generating the data report and submitting the data to the evaluation ratio.

The operation method schematic diagram of the earthquake relative gravity joint measurement electronic book system provided by the embodiment of the invention is shown in fig. 3.

The technical solution of the present invention will be further described with reference to the following examples.

The earthquake relative gravity simultaneous measurement data acquisition and processing system is developed by combining the experience of gravity measurement and software development for many years and according to the technical specification requirement of earthquake gravity measurement by combining the Tianjin sky science and technology development limited company of the earthquake institute of China. The system takes the seismic gravity measurement standard as a standard, carries out data acquisition, checking, data processing and output, and can automatically complete segment difference calculation and result output. The system is developed by JAVA, is suitable for the tablet personal computer based on the Android operating system, is more perfect in the scientificity, the practicability and the comprehensiveness of design, and is object-oriented design and gravity measurement engineering-oriented management and application.

1. Basic function

The data acquisition, check, data processing and output of the LCR, CG and BURRIS gravimeters are realized.

The data acquisition is divided into static precision test, dynamic precision test, long baseline first-item scale factor calibration (LCR-G type, CG-5/6 type gravimeter and BURRIS type gravimeter), short baseline first-item scale factor calibration (CG-5 type gravimeter) and relative gravity measurement.

Each station data includes gravity and environmental data. The gravity data comprises a point number, a point name, a point category, longitude and latitude, elevation, an instrument number, an instrument height, an instrument internal temperature, an instrument position, whether to measure statically or not, whether to invalidate or not, whether to measure again, an observer, a recorder, observation time, an instrument reading and remark information. The environmental data consists of amplitude, temperature, air pressure, weather, and vehicle.

The gravity point numbering is executed according to the item specification;

the software adopts engineering as an operation object.

Project naming principle unit code + year, month and day + project number (two digits).

During data processing, solid tide, air pressure, instrument height, null shift and lattice value one-time item coefficient correction are added. And calculating the average value of the segment differences and the error of the segment differences. And a gravity net function is added, and the self-mutual difference of the section difference is calculated by adopting the free net adjustment.

2. Hardware and operating system requirements

The Android system tablet computer has a screen size not smaller than 7 inches and a resolution not smaller than 1080P; the processor dominant frequency is not less than 1.4 GHz; the system memory is not less than 2 GB; the system storage capacity is not less than 64GB, the storage expansion function is realized, the Micro SD (TF) card is supported, and the maximum support is not less than 128 GB; the resolution ratio is not lower than 800 ten thousand pixels; a GPS or Beidou chip is arranged in the mobile terminal; the wireless function may be turned off.

And various mainstream app applications of the Android operating system are supported. The method comprises the following steps: positioning navigation, camera shooting, file transmission, document processing and the like.

3. Extended functionality

3.1 gradient measurement

Vertical gradient and horizontal gradient data acquisition, data processing and output.

3.2 static testing

The gravity meter static measurement data processing flow comprises the following steps: and after solid tide correction, drawing a zero drift curve and calculating the linear drift rate. And the input and processing of CG and BURRIS type gravimeter static test data are supported. And the LCR gravimeter supports real-time acquisition, processing and graphic output of the statics measuring data.

3.3 File System

The file system consists of information files, original data files, backup files and export files.

The information files include observation information, grid value tables, known points, and station survey information files.

The backup file is a text document reserved for preventing data loss in the software testing stage, is reserved and encrypted at present and can be restored into an original data file.

The original data file is encrypted, cannot be edited and can only be exported.

The export file includes an intra-industry adjustment exchange file, an exchange file, a point-to-point file, and a print file.

3.4 testing and adjusting of instruments

The CG5 type gravimeter comprises an X-axis inclination sensor for testing and adjusting, a Y-axis inclination sensor for testing and adjusting, an inclination sensor for testing and adjusting cross coupling, a gravity sensor for testing and a longitudinal and transverse bubble for testing; the CG6 model gravimeter has offset and sensitivity tuning and cross bubble detection.

The LCR gravimeter has the functions of fine adjustment of longitudinal and transverse air bubbles before measurement, daily detection of longitudinal and transverse air bubbles and sensitivity detection and adjustment.

The BURRIS gravimeter comprises the steps of adjusting the upper and lower stop ends of a swing rod and a reading line, adjusting the balance position and gain of a longitudinal and transverse leveling galvanometer, detecting a swing rod factor and a feedback factor and calibrating a feedback coefficient.

3.5 Point information management

In the engineering, the system has a real-time position acquisition and storage function aiming at each observation point, can record the actual position information of the observation point and can make notes of the measurement point. The device has a measuring point remarking function so as to record measuring points, measuring section change information and instrument state information.

After the tablet personal computer is used for recording, the memory and the calculation speed are improved by several orders of magnitude, and the recording and data processing are smooth. By adopting popular software and hardware, the equipment can be purchased anywhere at any time, the price can be determined according to economic conditions, and the common tablet computer is much cheaper than the conventional palm computer and has stable performance.

After the palm computer is updated to a tablet computer, screens of different sizes can be purchased according to needs, and the problem that many old observers cannot see clearly due to small screens in the past is solved.

Compared with the results of the old data adjustment method, the adjustment is performed, and the adjustment is superior to the simple arithmetic mean method in the past. The working efficiency is improved.

The positive effects of the present invention will be further described below with reference to experimental data or drawings.

The method carries out data input interface presentation, internal storage root directory presentation, file presentation under an earthquake gravity measurement directory, original engineering file presentation, work project presentation, Laplace instrument debugging page presentation, sensitivity, longitudinal air bubbles, transverse air bubble debugging page presentation, CG5/6 type instrument debugging option page, CG6 inclination and sensitivity debugging presentation. The effect is good, the picture is clear, and the recording and data processing are smooth.

A static test chart using an LCR-G gravimeter according to the present invention is shown in FIG. 4. The output job adjustment format file is shown in fig. 5. The output swap file format file is shown in fig. 6, and the vertical gradient calculation result is shown in fig. 7.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When used in whole or in part, can be implemented in a computer program product that includes one or more computer instructions. When loaded or executed on a computer, cause the flow or functions according to embodiments of the invention to occur, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored in a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, the computer instructions may be transmitted from one website site, computer, server, or data center to another website site, computer, server, or data center via wire (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL), or wireless (e.g., infrared, wireless, microwave, etc.)). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as a server, a data center, etc., that includes one or more of the available media. The usable medium may be a magnetic medium (e.g., floppy Disk, hard Disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., Solid State Disk (SSD)), among others.

The above description is only for the purpose of illustrating the present invention and the appended claims are not to be construed as limiting the scope of the invention, which is intended to cover all modifications, equivalents and improvements that are within the spirit and scope of the invention as defined by the appended claims.