阅读说明：本技术 一种湖流轨迹追踪系统及方法 (Lake flow trajectory tracking system and method ) 是由 杨星 翁松干 钱邦永 肖怀前 闫志跃 齐春宝 侯苗 张馨元 王同顺 厉凯 骆政 于 2019-09-20 设计创作，主要内容包括：本发明实施例公开了一种湖流轨迹追踪系统及方法,涉及湖流测量技术领域,所述系统包括：湖流测量装置,用于接收卫星定位信号,将卫星定位信号上传至服务器；服务器,用于接收卫星定位信号生成位置信息,并回传给湖流测量装置；数据库,用于存储所述湖流测量装置发送的位置信息；处理器,用于调取数据库中的数据,并进行处理和计算,得到湖流轨迹。本发明实施例能够解决现有技术中湖流测量技术存在建设成本高,测量设备受风浪影响大,湖流轨迹难以测量和测量精度不高等问题。极大提高测量精度,得到湖流轨迹,对湖泊水生态修复、防洪安全治理等具有重要的指导作用。(The embodiment of the invention discloses a lake flow track tracking system and a method, relating to the technical field of lake flow measurement, wherein the system comprises: the lake flow measuring device is used for receiving the satellite positioning signal and uploading the satellite positioning signal to the server; the server is used for receiving the satellite positioning signal to generate position information and returning the position information to the lake flow measuring device; the database is used for storing the position information sent by the lake flow measuring device; and the processor is used for calling the data in the database, processing and calculating to obtain the lake flow track. The embodiment of the invention can solve the problems that the lake flow measurement technology in the prior art is high in construction cost, the measurement equipment is greatly influenced by wind and waves, the lake flow track is difficult to measure, the measurement precision is low and the like. The measurement precision is greatly improved, the lake flow track is obtained, and the method has important guiding effects on lake water ecological restoration, flood control safety control and the like.)

1. A lake flow trajectory tracking system, the system comprising:

the lake flow measuring device is used for receiving the satellite positioning signal and uploading the satellite positioning signal to the server;

the server is used for receiving the satellite positioning signal to generate position information and returning the position information to the lake flow measuring device;

the database is used for storing the position information sent by the lake flow measuring device;

and the processor is used for calling the data in the database, processing and calculating to obtain the lake flow track.

2. The lake flow trajectory tracking system of claim 1, wherein the lake flow measurement device comprises a positioning terminal and a floating ball, the positioning terminal is installed in the floating ball, the positioning terminal has a first antenna and a second antenna, the first antenna is used for receiving satellite positioning signals, the second antenna is used for establishing communication with the server and transmitting the position information to the database.

3. The system as claimed in claim 2, wherein the positioning terminal has a communication module and a multi-frequency positioning module, the communication module is used for communicating with the server and the processor, and the multi-frequency positioning module is used for establishing a connection with a positioning satellite to realize positioning.

4. The lake flow trajectory tracking system of claim 2, wherein the location terminal is an NTU-F9P kilo-seek location terminal.

5. A method for tracking a lake flow trajectory, the method comprising:

the lake flow measuring device receives a positioning signal of a positioning satellite and transmits the positioning signal to a server;

the server analyzes the positioning signal, generates position information and transmits the position information back to the lake flow measuring device;

the lake flow measuring device transmits the position information to a database for storage;

and the processor acquires the position information in the database according to the position information calling command, processes and calculates the position information and generates the lake flow track.

6. The method of tracking lake flow trajectory according to claim 5, wherein the processing of the position information by the processor comprises:

recording the position of the lake flow measuring device at any moment to form a lake flow measuring device track graph, and smoothing the lake flow measuring device track graph according to a method of taking approximate values or eliminating interference points to obtain a lake flow track.

7. The method as claimed in claim 6, further comprising calculating the distance of the lake flow measurement device during a predetermined period of time, and calculating the average velocity of the lake flow measurement device during the predetermined period of time, thereby obtaining the velocity of the lake flow; the direction of the lake flow is obtained by the position of the adjacent time points.

8. A computer storage medium having one or more program instructions embodied therein for use by a lake flow trajectory tracking system to perform the method of any one of claims 5-7.

Technical Field

The embodiment of the invention relates to the technical field of lake flow measurement, in particular to a system and a method for tracking a lake flow track.

Background

Lake flow refers to a water flow in a lake that moves in a certain direction, the lake flow having a direction and a magnitude of movement, wherein the size of the lake flow, i.e. the velocity, is expressed by a length per unit time, such as several centimeters per second or several meters per second. The movement route of the lake is called the lake flow track. The lake flow influences the migration, transformation, diffusion and the like of various pollutants, nutritive salts, microorganisms, suspended matters and the like in the lake, is an important dynamic index of the lake, and has important guiding effects on ecological restoration, flood control safety control and the like of lake water.

The significance of lake flow monitoring is as follows: the method comprises the steps of accumulating lake flow track and speed observation data under different hydrological conditions, providing basic lake flow field hydrological data for planning and designing in the comprehensive research of lake related problems, providing hydrological data necessary for verification of a mathematical model or a physical model in the comprehensive research of lake related problems, and further analyzing to obtain a complete lake flow field by using the verified mathematical model or physical model.

The existing lake flow measurement technology generally comprises a single-point flow measurement mode and a profile flow measurement mode, wherein a relatively typical single-point flow measurement device comprises a rotor type current meter and an ADV acoustic Doppler current meter; typical profile flow devices are such as ADCP acoustic doppler profile flow meters. The single-point flow measuring equipment needs to be fixedly installed on a lake measuring station, the station building investment is large, and the single-point flow velocity is difficult to reflect the lake flow track. The ADCP acoustic Doppler profile current meter is usually mounted on a ship, and has the advantages that the layered current of the navigation section of the ship can be obtained, but the current in a lake water channel is high in flood season, and the ship-running risk is high if the lake water channel encounters wind waves. More importantly, the depth of water in many shallow lakes generally does not exceed 2m, which can affect the measurement accuracy of the ADCP, and if the stability of the ship navigation is affected by wind and waves, the measurement accuracy of the ADCP can also be seriously affected. In addition, for lake flows, the flow velocity is generally small except that the flow velocity in the main water passing channel of the lake is large under the condition that the flow rate of the lake entering and exiting is large in the flood season. For the lake flow driven by wind power, the flow velocity is usually less than a few centimeters per second, and the lake flow cannot be measured accurately by conventional equipment due to the influence of wind waves and turbulence at local point positions.

In conclusion, the existing lake flow measuring technology has the problems of high construction cost, large influence of wind and waves on measuring equipment, inaccurate measurement of lake flow tracks and the like.

Disclosure of Invention

Therefore, the embodiment of the invention provides a lake flow track tracking system and method, and aims to solve the problems that the lake flow measurement technology in the prior art is high in construction cost, large in influence of wind and waves on measurement equipment, difficult in measurement of lake flow tracks, low in measurement accuracy and the like.

In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:

according to a first aspect of embodiments of the present invention, there is provided a lake flow trajectory tracking system,

the system comprises: the lake flow measuring device is used for receiving the satellite positioning signal and uploading the satellite positioning signal to the server; the server is used for receiving the satellite positioning signal to generate position information and returning the position information to the lake flow measuring device; the database is used for storing the position information sent by the lake flow measuring device; and the processor is used for calling the data in the database, processing and calculating to obtain the lake flow track.

Further, the lake flow measuring device comprises a positioning terminal and a floating ball, wherein the positioning terminal is installed in the floating ball and is provided with a first antenna and a second antenna, the first antenna is used for receiving satellite positioning signals, and the second antenna is used for establishing communication with a server and transmitting position information to a database.

Furthermore, a communication module and a multi-frequency positioning module are arranged in the positioning terminal, the communication module is used for communicating with the server and the processor, and the multi-frequency positioning module is used for establishing contact with a positioning satellite to realize positioning.

Further, the positioning terminal is an NTU-F9P thousand seeking positioning terminal.

According to a second aspect of the embodiments of the present invention, there is provided a method for tracking a lake flow trajectory,

the method comprises the following steps: the lake flow measuring device receives a positioning signal of a positioning satellite and transmits the positioning signal to a server; the server analyzes the positioning signal, generates position information and transmits the position information back to the lake flow measuring device; the lake flow measuring device transmits the position information to a database for storage; and the processor acquires the position information in the database according to the position information calling command, processes and calculates the position information and generates the lake flow track.

Further, the method for processing the position information by the processor comprises the following steps: recording the position of the lake flow measuring device at any moment to form a lake flow measuring device track graph, and smoothing the lake flow measuring device track graph according to a method of taking approximate values or eliminating interference points to obtain a lake flow track.

Further, the method also comprises the steps of calculating the movement distance of the lake flow measuring device in a preset time period, and calculating the average speed of the lake flow measuring device in the preset time period so as to obtain the movement speed of the lake flow; the direction of the lake flow is obtained by the position of the adjacent time points.

According to a third aspect of embodiments of the present invention, there is provided a computer storage medium,

the computer storage medium has embodied therein one or more program instructions for executing a method of lake flow trajectory tracking by a lake flow trajectory tracking system.

The embodiment of the invention has the following advantages:

according to the lake flow track tracking system and method provided by the embodiment of the invention, the lake flow track is measured by utilizing the track generated by the floating ball type lake flow detection device due to the movement of the lake flow, the position of the floating ball is obtained in real time through the positioning terminal, namely the floating ball is not fixed on a ship and is not influenced by flood tides, the measurement precision can be greatly improved, the lake flow track is obtained, and the lake flow track tracking system and method have important guiding effects on lake water ecological restoration, flood control safety control and the like.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.

FIG. 1 is a schematic structural relationship diagram of a lake flow trajectory tracking system according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a lake flow measuring apparatus according to an embodiment of the present invention;

FIG. 3 is a track diagram of a lake flow measuring device provided by an embodiment of the present invention;

FIG. 4 is a lake flow trajectory graph provided by an embodiment of the present invention;

fig. 5 is a method for tracking a lake flow trajectory according to an embodiment of the present invention.

In the figure: 01. a lake flow measuring device; 02. a server; 03. a database; 04. a processor; 05. positioning a satellite; 06. positioning a terminal; 07. a first antenna; 08. a second antenna; 09. a partition plate; 10. a balancing weight; 11. a battery; 12. a floating ball.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.