阅读说明：本技术 一种基于pearson相关性星地闪电比对的系统与验证方法 (Pearson correlation-based satellite-ground lightning comparison system and verification method ) 是由 康宁 李亦之 谢利子 景怀民 曲骏道 卢铮 高志博 罗能 于 2020-05-14 设计创作，主要内容包括：本发明公开了一种基于pearson相关性星地闪电比对的系统及验证方法,系统包括星地闪电数据提取模块、pearson相关系数分析模块、比例分析模块、pearson相关性系数判定模块、比例判定模块、综合判定模块。本发明的方法通过对多源不同累积时间的闪电数据的分析,产生相关性系数和比值比,可实现快速验证卫星观测闪电数据的正确性及可靠性；同时将相关报警信息和解析异常数值实时发送至闪电成像仪自动复位发令系统以及高级维护人员,可为卫星载荷在轨工作状态实时调整提供判别依据,有效的提高应急响应速度；以及通过闪电数据检验结果的长期累积,可对长期卫星观测闪电数据的正确性和可靠性提供验证数据基础,为后续卫星载荷的改进提供理论依据。(The invention discloses a system and a verification method based on pearson correlation satellite-ground lightning comparison. By analyzing the lightning data of multiple sources in different accumulation times, the method of the invention generates the correlation coefficient and the ratio, and can realize the rapid verification of the correctness and reliability of the satellite observation lightning data; meanwhile, related alarm information and the analyzed abnormal value are sent to an automatic reset command issuing system of the lightning imager and advanced maintenance personnel in real time, so that a judgment basis can be provided for real-time adjustment of the on-orbit working state of the satellite load, and the emergency response speed is effectively improved; and through the long-term accumulation of the lightning data detection result, a verification data basis can be provided for the correctness and reliability of the lightning data observed by the long-term satellite, and a theoretical basis is provided for the improvement of the subsequent satellite load.)

1. A system based on pearson correlation satellite-ground lightning comparison is characterized by comprising a satellite-ground lightning data extraction module, a pearson correlation coefficient analysis module, a proportion analysis module, a pearson correlation coefficient judgment module, a proportion judgment module and a comprehensive judgment module; wherein the content of the first and second substances,

the input of star-ground lightning data extraction module is used for obtaining star-ground lightning data, the output of star-ground lightning data extraction module with the input of pearson correlation coefficient analysis module with the input of proportion analysis module is connected, the output of pearson correlation coefficient analysis module with the input of pearson correlation coefficient judgment module is connected, the output of proportion analysis module with the input of proportion judgment module is connected, the output of pearson correlation coefficient judgment module with the output of proportion judgment module all with the input of comprehensive judgment module is connected, the output of comprehensive judgment module is used for outputting final judgment results.

2. The pearson correlation satellite-ground lightning comparison-based system according to claim 1, wherein the satellite-ground lightning data obtained by the satellite-ground lightning data extraction module includes a total lightning quantity value of a satellite observation China mainland area and a total lightning quantity value of an ADTD foundation observation China mainland area.

3. The pearson correlation satellite-to-ground lightning comparison-based system according to claim 1, wherein an output end of the comprehensive decision module is connected with a ground application system, an advanced maintenance personnel and an automatic reset and command system of a lightning imager.

4. A verification method based on pearson correlation satellite-ground lightning comparison system is characterized by comprising the following steps:

s1: extracting high rail meteorological lightning event data through the satellite-ground lightning data extraction module, and simultaneously extracting and outputting ADTD foundation observation lightning data;

s2: extracting and outputting the total lightning quantity value of the satellite observation China continental region according to the high-orbit meteorological lightning event data obtained in the step S1;

s3: extracting and outputting the total lightning quantity value of the ADTD foundation observation Chinese continental area according to the ADTD foundation observation lightning data obtained in the step S1;

s4: solving the ratio of the total lightning quantity value of the 1min accumulated satellite observation China continental area to the total lightning quantity value of the 1min accumulated ADTD foundation observation China continental area, and outputting the ratio numerical value of the total lightning quantity value of the satellite earth observation China continental area;

s5: solving the pearson correlation coefficient of the total lightning quantity value of the China continental region observed by the satellite for continuously 12h hour by hour and the pearson correlation coefficient of the total lightning quantity value of the China continental region observed by the ADTD foundation corresponding to continuously 12h hour by hour, and outputting the pearson correlation coefficient value of the total lightning quantity value of the China continental region observed by the satellite;

s6: judging whether the ratio value of the lightning quantity values of the Chinese continental areas observed in the accumulated star field for 1min is between 0.01 and 100, if so, continuing to judge S8, and if not, judging S12;

s7: judging whether the pearson correlation coefficient value of the lightning quantity value of the continental Chinese area observed in 12h hour-by-hour star manner is between 0.1 and 1, if so, continuing to judge S9, and if not, judging S12;

s8: solving the ratio of the total lightning quantity value of the China continental area observed by the 60min accumulated satellite to the total lightning quantity value of the China continental area observed by the 60min accumulated ADTD foundation, and outputting the ratio value of the total lightning quantity value of the China continental area observed by the satellite;

s9: solving a pearson correlation coefficient of the total lightning quantity value of the China continental region observed by the satellite for 60min continuously by minutes and the pearson correlation coefficient of the total lightning quantity value of the China continental region observed by the ADTD foundation for 60min continuously by minutes, and outputting the pearson correlation coefficient of the total lightning quantity value of the China continental region observed by the satellite;

s10: judging whether the ratio numerical value of the lightning quantity values of the Chinese continental areas observed in the accumulated satellite land for 60min is between 0.01 and 100, if so, stopping judging and outputting the result, and if not, judging S12;

s11: judging whether the pearson correlation coefficient value of the lightning quantity value of the continental area of China is between 0.1 and 1 by observing every minute for 60min continuously, if so, stopping judging and outputting the result, and if not, judging S13;

s12: and judging the termination condition, and outputting the final judgment result.

5. The method for verifying the pearson-correlation-based satellite-to-ground lightning comparison system according to claim 4, wherein in step S12, the final judgment result is output to an advanced maintenance personnel and an automatic reset and command system of a lightning imager.

6. The verification method of the pearson correlation satellite-ground lightning comparison system, according to claim 5, wherein in the step S12, the output of the final judgment result specifically includes the following steps:

s121: if only one of the step S6 or the step S7 or the step S10 or the step S11 is not satisfied, sending alarm information and a judgment result to high-level maintenance personnel is carried out;

s122: if the step S6 and the step S7 are not met together, satellite remote control single instruction related information is sent to an automatic reset command sending system of the lightning imager, and alarm information and a judgment result are sent to advanced maintenance personnel at the same time;

s123: if the step S10 and the step S11 are not met together, satellite remote control single instruction related information is sent to an automatic reset command sending system of the lightning imager, and alarm information and a judgment result are sent to advanced maintenance personnel at the same time;

s124: and if the step S6, the step S7, the step S10 and the step S11 are not met, sending preset multi-satellite remote control instruction related information to an automatic reset command system of the lightning imager, and simultaneously sending alarm information and a judgment result to advanced maintenance personnel.

Technical Field

The invention relates to the technical field of quality control of high-orbit satellite lightning observation data, in particular to a pearson correlation satellite-ground lightning comparison-based system and a verification method.

Background

China is weak in the basis of space optical lightning detection theory and lightning detection algorithm and is always in a blank state in the field of satellite platform lightning observation. The FY4A satellite successfully launched in 2016, 12 and 11 days is the first three-axis attitude-stabilized control high-orbit static meteorological satellite in China, and the lightning imager carried by the satellite fills the blank of the world in continuously observing the total lightning of China regions and adjacent regions by uninterrupted satellites. As China first performs space optical lightning detection, no experience and data can be circulated in the early stage of orbital operation, the reliability of satellite observation lightning data needs to be checked.

In view of the above technical problems, no effective solution has been proposed at present.

Disclosure of Invention

Aiming at the technical problems in the related art, the invention provides a pearson-correlation-based satellite-ground lightning comparison system and a pearson-correlation-based satellite-ground lightning comparison verification method, which can solve the problems that the existing system and method for rapidly detecting the accuracy of long-term accumulated data and real-time data of satellite lightning data cannot meet the requirements of automatic real-time verification of the satellite lightning data, and the technical problems that the state of part of satellite equipment is abnormal and real-time alarm cannot be given.

In order to achieve the technical purpose, the technical scheme of the invention is realized as follows:

a system based on pearson correlation satellite-ground lightning comparison comprises a satellite-ground lightning data extraction module, a pearson correlation coefficient analysis module, a proportion analysis module, a pearson correlation coefficient judgment module, a proportion judgment module and a comprehensive judgment module; wherein the content of the first and second substances,

the input of star-ground lightning data extraction module is used for obtaining star-ground lightning data, the output of star-ground lightning data extraction module with the input of pearson correlation coefficient analysis module with the input of proportion analysis module is connected, the output of pearson correlation coefficient analysis module with the input of pearson correlation coefficient judgment module is connected, the output of proportion analysis module with the input of proportion judgment module is connected, the output of pearson correlation coefficient judgment module with the output of proportion judgment module all with the input of comprehensive judgment module is connected, the output of comprehensive judgment module is used for outputting final judgment results.

Furthermore, the satellite-ground lightning data acquired by the satellite-ground lightning data extraction module comprises a total lightning quantity value of a satellite observation China continental region and a total lightning quantity value of an ADTD foundation observation China continental region.

Furthermore, the output end of the comprehensive judgment module is connected with a ground application system, advanced maintenance personnel and an automatic reset command issuing system of the lightning imager.

The invention also discloses a verification method of the satellite-ground lightning comparison system based on pearson correlation, which comprises the following steps:

s1: extracting high rail meteorological lightning event data through the satellite-ground lightning data extraction module, and simultaneously extracting and outputting ADTD foundation observation lightning data;

s2: extracting and outputting the total lightning quantity value of the satellite observation China continental region according to the high-orbit meteorological lightning event data obtained in the step S1;

s3: extracting and outputting the total lightning quantity value of the ADTD foundation observation Chinese continental area according to the ADTD foundation observation lightning data obtained in the step S1;

s4: solving the ratio of the total lightning quantity value of the 1min accumulated satellite observation China continental area to the total lightning quantity value of the 1min accumulated ADTD foundation observation China continental area, and outputting the ratio numerical value of the total lightning quantity value of the satellite earth observation China continental area;

s5: solving the pearson correlation coefficient of the total lightning quantity value of the China continental region observed by the satellite for continuously 12h hour by hour and the pearson correlation coefficient of the total lightning quantity value of the China continental region observed by the ADTD foundation corresponding to continuously 12h hour by hour, and outputting the pearson correlation coefficient value of the total lightning quantity value of the China continental region observed by the satellite;

s6: judging whether the ratio value of the lightning quantity values of the Chinese continental areas observed in the accumulated star field for 1min is between 0.01 and 100, if so, continuing to judge S8, and if not, judging S12;

s7: judging whether the pearson correlation coefficient value of the lightning quantity value of the continental Chinese area observed in 12h hour-by-hour star manner is between 0.1 and 1, if so, continuing to judge S9, and if not, judging S12;

s8: solving the ratio of the total lightning quantity value of the China continental area observed by the 60min accumulated satellite to the total lightning quantity value of the China continental area observed by the 60min accumulated ADTD foundation, and outputting the ratio value of the total lightning quantity value of the China continental area observed by the satellite;

s9: solving a pearson correlation coefficient of the total lightning quantity value of the China continental region observed by the satellite for 60min continuously by minutes and the pearson correlation coefficient of the total lightning quantity value of the China continental region observed by the ADTD foundation for 60min continuously by minutes, and outputting the pearson correlation coefficient of the total lightning quantity value of the China continental region observed by the satellite;

s10: judging whether the ratio numerical value of the lightning quantity values of the Chinese continental areas observed in the accumulated satellite land for 60min is between 0.01 and 100, if so, stopping judging and outputting the result, and if not, judging S12;

s11: judging whether the pearson correlation coefficient value of the lightning quantity value of the continental area of China is between 0.1 and 1 by observing every minute for 60min continuously, if so, stopping judging and outputting the result, and if not, judging S13;

s12: and judging the termination condition, and outputting the final judgment result.

Further, in step S12, the final determination result is output to the high-level maintenance staff and the automatic reset command issuing system of the lightning imager.

In step S12, the outputting of the final determination result specifically includes the following steps:

s121: if only one of the step S6 or the step S7 or the step S10 or the step S11 is not satisfied, sending alarm information and a judgment result to high-level maintenance personnel is carried out;

s122: if the step S6 and the step S7 are not met together, satellite remote control single instruction related information is sent to an automatic reset command sending system of the lightning imager, and alarm information and a judgment result are sent to advanced maintenance personnel at the same time;

s123: if the step S10 and the step S11 are not met together, satellite remote control single instruction related information is sent to an automatic reset command sending system of the lightning imager, and alarm information and a judgment result are sent to advanced maintenance personnel at the same time;

s124: and if the step S6, the step S7, the step S10 and the step S11 are not met, sending preset multi-satellite remote control instruction related information to an automatic reset command system of the lightning imager, and simultaneously sending alarm information and a judgment result to advanced maintenance personnel.

The invention has the beneficial effects that:

1. by analyzing the multi-source lightning data with different accumulation times, the correlation coefficient and the ratio are generated, and the accuracy and the reliability of the satellite observation lightning data can be rapidly verified;

2. according to the invention, relevant alarm information and the analyzed abnormal value are sent to the automatic reset command issuing system of the lightning imager and advanced maintenance personnel in real time, so that a judgment basis can be provided for the real-time adjustment of the on-orbit working state of the satellite load, and the emergency response speed is effectively increased;

3. according to the invention, through the long-term accumulation of the lightning data detection result, a verification data basis can be provided for the correctness and reliability of the lightning data observed by the long-term satellite, and a theoretical basis is provided for the improvement of the subsequent satellite load.

Drawings

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

Fig. 1 is a schematic structural diagram of a pearson correlation-based satellite-ground lightning comparison system according to an embodiment of the present invention;

fig. 2 is a flowchart illustrating a verification method based on a pearson correlation satellite-ground lightning comparison system according to an embodiment of the present invention;

fig. 3 is a schematic diagram of an embodiment of a pearson correlation-based star-to-ground lightning comparison system according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.

As shown in fig. 1, the system for comparing satellite-ground lightning based on pearson correlation according to the embodiment of the present invention includes a satellite-ground lightning data extraction module, a pearson correlation coefficient analysis module, a proportion analysis module, a pearson correlation coefficient determination module, a proportion determination module, and a comprehensive determination module; the input end of the satellite-ground lightning data extraction module is used for acquiring satellite-ground lightning data, the output end of the satellite-ground lightning data extraction module is connected with the input end of the pearson correlation coefficient analysis module and the input end of the proportion analysis module, the output end of the pearson correlation coefficient analysis module is connected with the input end of the pearson correlation coefficient judgment module, the output end of the proportion analysis module is connected with the input end of the proportion judgment module, the output end of the pearson correlation coefficient judgment module and the output end of the proportion judgment module are both connected with the input end of the comprehensive judgment module, and the output end of the comprehensive judgment module is used for outputting a final judgment result.

In a specific embodiment, the satellite-ground lightning data acquired by the satellite-ground lightning data extraction module includes a total lightning quantity value of a satellite observation China continent region and a total lightning quantity value of an ADTD foundation observation China continent region.

Preferably, the satellite-ground observation lightning data extraction module is used for extracting and outputting a satellite-ground observation total lightning quantity value.

In a specific embodiment, the pearson correlation coefficient analysis module is configured to analyze a pearson correlation coefficient between the obtained satellite-ground observation total lightning quantity values, and output an analysis result.

In a specific embodiment, the proportion analysis module is configured to analyze a ratio between the obtained satellite-ground observation total lightning quantity values, and output an analysis result.

In an embodiment, the pearson correlation coefficient determination module is configured to determine a pearson correlation coefficient value of the star observed lightning quantity value and output a determination result.

In one embodiment, the ratio determination module is used for determining a ratio value of the star-earth observation lightning quantity value and outputting a determination result.

In a specific embodiment, the output end of the comprehensive judgment module is connected with a ground application system, an advanced maintenance personnel and an automatic reset command issuing system of the lightning imager.

Preferably, the comprehensive judgment module is used for judging the termination condition and outputting a final judgment result.

As shown in fig. 2, the invention also discloses a verification method based on pearson correlation satellite-ground lightning comparison system, which comprises the following steps:

s1: extracting high rail meteorological lightning event data through the satellite-ground lightning data extraction module, and simultaneously extracting and outputting ADTD foundation observation lightning data;

s2: extracting and outputting the total lightning quantity value of the satellite observation China continental region according to the high-orbit meteorological lightning event data obtained in the step S1;

s3: extracting and outputting the total lightning quantity value of the ADTD foundation observation Chinese continental area according to the ADTD foundation observation lightning data obtained in the step S1;

s4: solving the ratio of the total lightning quantity value of the 1min accumulated satellite observation China continental area to the total lightning quantity value of the 1min accumulated ADTD foundation observation China continental area, and outputting the ratio numerical value of the total lightning quantity value of the satellite earth observation China continental area;

s5: solving the pearson correlation coefficient of the total lightning quantity value of the China continental region observed by the satellite for continuously 12h hour by hour and the pearson correlation coefficient of the total lightning quantity value of the China continental region observed by the ADTD foundation corresponding to continuously 12h hour by hour, and outputting the pearson correlation coefficient value of the total lightning quantity value of the China continental region observed by the satellite;

s6: judging whether the ratio value of the lightning quantity values of the Chinese continental areas observed in the accumulated star field for 1min is between 0.01 and 100, if so, continuing to judge S8, and if not, judging S12;

s7: judging whether the pearson correlation coefficient value of the lightning quantity value of the continental Chinese area observed in 12h hour-by-hour star manner is between 0.1 and 1, if so, continuing to judge S9, and if not, judging S12;

s8: solving the ratio of the total lightning quantity value of the China continental area observed by the 60min accumulated satellite to the total lightning quantity value of the China continental area observed by the 60min accumulated ADTD foundation, and outputting the ratio value of the total lightning quantity value of the China continental area observed by the satellite;

s9: solving a pearson correlation coefficient of the total lightning quantity value of the China continental region observed by the satellite for 60min continuously by minutes and the pearson correlation coefficient of the total lightning quantity value of the China continental region observed by the ADTD foundation for 60min continuously by minutes, and outputting the pearson correlation coefficient of the total lightning quantity value of the China continental region observed by the satellite;

s10: judging whether the ratio numerical value of the lightning quantity values of the Chinese continental areas observed in the accumulated satellite land for 60min is between 0.01 and 100, if so, stopping judging and outputting the result, and if not, judging S12;

s11: judging whether the pearson correlation coefficient value of the lightning quantity value of the continental area of China is between 0.1 and 1 by observing every minute for 60min continuously, if so, stopping judging and outputting the result, and if not, judging S13;

s12: and judging the termination condition, and outputting the final judgment result.

In a specific embodiment, in step S12, the final determination result is output to the high-level maintenance personnel and the lightning imager automatic reset command issuing system.

Preferably, in step S12, the outputting of the final determination result specifically includes the following steps:

s121: if only one of the step S6 or the step S7 or the step S10 or the step S11 is not satisfied, sending alarm information and a judgment result to high-level maintenance personnel is carried out;

s122: if the step S6 and the step S7 are not met together, satellite remote control single instruction related information is sent to an automatic reset command sending system of the lightning imager, and alarm information and a judgment result are sent to advanced maintenance personnel at the same time;

s123: if the step S10 and the step S11 are not met together, satellite remote control single instruction related information is sent to an automatic reset command sending system of the lightning imager, and alarm information and a judgment result are sent to advanced maintenance personnel at the same time;

s124: and if the step S6, the step S7, the step S10 and the step S11 are not met, sending preset multi-satellite remote control instruction related information to an automatic reset command system of the lightning imager, and simultaneously sending alarm information and a judgment result to advanced maintenance personnel.

As shown in fig. 3, one embodiment of the present invention is as follows:

a verification method of a satellite-ground lightning comparison system comprises the following steps: firstly, in the construction of an FY-4A ground application system, a lightning imager satellite-ground lightning data automatic comparison system is arranged in a task management and control subsystem to acquire two kinds of data and control a satellite; then, the satellite-ground lightning data automatic comparison system is deployed in a task management and control system in a wind cloud four-ground application system, and event data products generated after lightning is observed by a satellite and lightning data products observed by a foundation are obtained; and finally, automatically detecting incoming planet ground lightning data, and respectively outputting final judgment results, wherein all analyzed pearson correlation coefficient values and ratio value information are sent to a ground application system, all alarm information exceeding a set range after judgment is sent to a high-level maintenance worker, and operation control information aiming at the satellite equipment is sent to an automatic resetting and commanding system of the lightning imager after judgment.

The task management and control system controls the on-orbit operation of high-orbit satellite equipment and deploys an automatic satellite-ground lightning data inspection system; the advanced maintenance personnel are used for receiving the alarm information and controlling the automatic reset system of the lightning imager; the automatic reset system of the lightning imager is used for automatically sending related instructions for controlling the load reset of the lightning imager.

In order to facilitate understanding of the above-described technical aspects of the present invention, the above-described technical aspects of the present invention will be described in detail below in terms of specific usage.

When the system is used specifically, the system based on pearson correlation satellite-ground lightning comparison and the verification method comprise a satellite-ground lightning data extraction module, a pearson correlation coefficient analysis module, a proportion analysis module, a pearson correlation coefficient judgment module, a proportion judgment module and a comprehensive judgment module. The satellite-ground observation lightning data extraction module is used for extracting and outputting a total lightning quantity value of a satellite observation China continental area, and extracting and outputting an ADTD foundation observation China continental area total lightning quantity value; the pearson correlation coefficient analysis module is used for analyzing the total lightning quantity value of the China continental region observed by the satellite in different accumulation time, the total lightning quantity value of the China continental region observed by the foundation corresponding to the accumulation time ADTD and a pearson correlation coefficient between the two variables, and outputting the analysis result value; the proportion analysis module is used for analyzing the total lightning quantity value of the satellite observation China continental area in different accumulation times, the total lightning quantity value of the foundation observation China continental area corresponding to the accumulation time ADTD and the ratio of the two variables, and outputting the numerical value of the analysis result; the pearson correlation coefficient judging module is used for judging whether the pearson correlation coefficient value of the lightning quantity of the China area observed in the star field at different accumulation time is between 0.1 and 1 or not and outputting the judgment result; the proportion judging module is used for judging whether the ratio value of the lightning quantity of the satellite-earth observation China area in different accumulation time ranges from 0.01 to 100 or not and outputting the judging result; the comprehensive judgment module is used for judging the termination condition and respectively outputting the final judgment result to a ground application system, an advanced maintenance personnel and an automatic resetting and commanding system of the lightning imager.

The method comprises the steps of firstly extracting star field observation total lightning quantity value data, outputting the data, then sequentially solving and judging the ratio of star field observation Chinese continental area total lightning quantity values accumulated for 1min and 60min, and sequentially solving and judging star field observation Chinese continental area total lightning quantity value pearson correlation coefficients which are continuous for 12h and hour and 60min and minute; and finally, outputting the judgment result. Firstly, judging whether the ratio numerical value of the total lightning quantity value of the mainland area of the star earth observation accumulated in 1min is between 0.01 and 100, if not, stopping judging and outputting a judging result, if so, continuously judging whether the ratio numerical value of the total lightning quantity value of the mainland area of the star earth observation accumulated in 60min is between 0.01 and 100, if so, stopping judging and outputting the judging result, and if not, judging the stopping condition and outputting the judging result; and then judging whether the pearson correlation coefficient value of the total lightning quantity value of the Chinese continental area continuously observed for 12 hours by hours is between 0.1 and 1, if not, stopping judging and outputting a judgment result, if so, continuously judging whether the pearson correlation coefficient value of the total lightning quantity value of the Chinese continental area continuously observed for 60 minutes by minutes is between 0.1 and 1, if so, stopping judging and outputting the judgment result, and if not, judging and outputting the judgment result by a stopping condition.

In summary, the invention discloses a satellite-ground lightning comparison system and a verification method based on Pearson correlation, high orbit static weather lightning observation data and ground observation ADTD data are compared and verified, the correlation between the two kinds of observation data is measured by using the Pearson correlation coefficient, and the value of the Pearson correlation coefficient between variables is determined; calculating a ratio value by using the two lightning data, and calculating a numerical value of the ratio value and a numerical value of a Pearson correlation coefficient; when the two values are mutually referred, two indexes are respectively defined, and the authenticity and the reliability of the satellite lightning data are judged by mutually referring to judge; the data abnormity caused by equipment interference caused by complex environment in space to high-orbit meteorological satellite lightning imager load equipment is avoided, the system decomposition is carried out by utilizing the correlation between two different observation lightning data variables from the lightning data angle, the mechanism knowledge of a wind cloud four ground application system is not required to be known in advance, and the satellite lightning data correctness and stability are easier to realize.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.