CN-121091399-B - GNSS meteorological parameter optimization method and system

CN121091399BCN 121091399 BCN121091399 BCN 121091399BCN-121091399-B

Abstract

The invention discloses a GNSS meteorological parameter optimization method and system, relates to the technical field of meteorological parameter optimization methods, determines corresponding meteorological types based on identification of all meteorological areas, determines theoretical meteorological events of a GNSS observation area according to meteorological parameters, positions and meteorological types corresponding to all meteorological areas, and ensures accuracy of the theoretical meteorological events of the GNSS observation area. The method comprises the steps of determining a plurality of actual weather features according to the identification of a current image of a GNSS observation area, determining actual weather events of the GNSS observation area according to the synthesis of the plurality of actual weather features, determining abnormal weather content based on the comparison of theoretical weather events and the actual weather events, determining an abnormal weather area according to the tracing of the abnormal weather content, marking corresponding abnormal weather parameters, determining optimized weather parameters based on the optimization of the abnormal weather parameters and the abnormal weather area, and ensuring the accuracy of the optimized weather parameters.

Inventors

LIANG HUA
LIU BINGXIN
SHI JIANJUN
XIE WANJUN
GAO SHIYU
LI HOULIN

Assignees

甘肃省气象信息与技术装备保障中心

Dates

Publication Date: 20260508
Application Date: 20250825

Claims (8)

1. A method for optimizing GNSS meteorological parameters, comprising: acquiring the position of a GNSS observation area, and determining a plurality of GNSS observation points according to the position and the area morphology of the GNSS observation area; Determining a corresponding meteorological parameter combination based on the meteorological detection of each GNSS observation point, determining a plurality of meteorological areas according to the relative positions of each GNSS observation point and the corresponding meteorological parameter combination, and displaying the plurality of meteorological areas at different positions of the GNSS observation area; determining a corresponding meteorological type based on the identification of each meteorological region, and determining theoretical meteorological events of the GNSS observation region according to meteorological parameters, positions and meteorological types corresponding to each meteorological region; determining a plurality of actual meteorological features according to the identification of the current image of the GNSS observation area, and determining actual meteorological events of the GNSS observation area according to the synthesis of the plurality of actual meteorological features; The method comprises the steps of acquiring theoretical weather events and actual weather events, comparing the theoretical weather events with the actual weather events to determine abnormal weather content, determining an abnormal weather area according to the comparison of the theoretical weather events and the actual weather events, determining an abnormal weather area according to the combination of the abnormal weather content, acquiring a plurality of weather parameters associated with the abnormal weather area, determining corresponding abnormal weather parameters according to the abnormal screening of the plurality of weather parameters, marking the types of the weather parameters corresponding to the abnormal weather parameters, determining a first optimization coefficient according to the abnormal weather parameters and the types of the weather parameters, determining a second optimization coefficient according to the abnormal weather parameters and the abnormal weather area, determining a corresponding optimization mode based on the mapping relation of the first optimization coefficient, the second optimization coefficient and the weather parameters, triggering the optimization of the abnormal weather parameters based on the execution of the optimization mode, outputting the optimized weather parameters according to the combination of the plurality of the abnormal weather characteristics, and outputting the weather parameters which deviate from the normal weather parameters according to the geographical conditions of the first optimization coefficient and the abnormal weather parameters, and reflecting the normal weather parameters of the normal weather conditions of the area.
2. The method of claim 1, wherein the acquiring the position of the GNSS observation area and determining the plurality of GNSS observation points according to the position and the area morphology of the GNSS observation area comprises: acquiring a GNSS observation mark, determining the position of a GNSS observation area according to the position detection of the GNSS observation mark, determining a plurality of environment parameters according to the environment detection of the position of the GNSS observation area, and determining an environment scene corresponding to the GNSS observation area according to the identification of the plurality of environment parameters; The method comprises the steps of determining the regional form of the GNSS observation region based on the detection of the GNSS observation region, determining the observation point identification mode of the GNSS observation region according to the regional form of the GNSS observation region, the position of the GNSS observation region and the environment scene corresponding to the GNSS observation region, and marking a plurality of GNSS observation points in the GNSS observation region.
3. The method of claim 1, wherein determining the corresponding combination of weather parameters based on weather detection at each of the GNSS observation points, determining a plurality of weather areas based on the relative positions of each of the GNSS observation points and the corresponding combination of weather parameters, the plurality of weather areas being presented at different positions of the GNSS observation areas, comprises: monitoring each GNSS observation point in real time, triggering the weather detection of each GNSS observation point, determining a plurality of corresponding weather parameters according to the weather detection of each GNSS observation point, and determining a corresponding weather parameter combination based on the plurality of weather parameters and the environment scene corresponding to the GNSS observation point; Collecting the current positions of all GNSS observation points, and determining the relative positions of all GNSS observation points based on the comparison of the current positions of all GNSS observation points; And determining a plurality of meteorological areas based on the relative positions of the GNSS observation points and the corresponding meteorological parameter combinations, wherein the meteorological areas are used as part of the GNSS observation areas, the meteorological areas are displayed at different positions of the GNSS observation areas, and each meteorological area is formed by encircling the corresponding GNSS observation points.
4. The method of optimizing GNSS weather parameters according to claim 1, wherein the determining the corresponding weather type based on the identification of each weather zone and determining theoretical weather events for the GNSS observation zone based on the weather parameters, locations and weather types corresponding to each weather zone comprises: in each meteorological region, corresponding meteorological parameters are determined based on the detection of the meteorological region, and corresponding meteorological types are determined according to the meteorological parameters corresponding to each meteorological region and the past meteorological types of the meteorological region.
5. The method of optimizing GNSS weather parameters according to claim 4, wherein the determining the corresponding weather type based on the identification of each weather zone and determining theoretical weather events for the GNSS observation zone based on the weather parameters, locations and weather types corresponding to each weather zone further comprises: determining a first weather event according to weather parameters and positions corresponding to each weather region, determining a second weather event according to the positions and weather types of each weather region, and determining a theoretical weather event of the GNSS observation region based on the mapping relation of the first weather event, the second weather event and the theoretical weather event.
6. The method of claim 1, wherein determining the plurality of actual weather features from the identification of the current image of the GNSS observation area, determining the actual weather event of the GNSS observation area from the composition of the plurality of actual weather features, comprises: The method comprises the steps of monitoring a GNSS observation area in real time, collecting a current image of the GNSS observation area, determining a plurality of meteorological feature areas based on division of the current image of the GNSS observation area, and determining a plurality of actual meteorological features according to identification of the meteorological feature areas.
7. The method of optimizing GNSS weather parameters according to claim 6, wherein the determining a plurality of actual weather features from the identification of the current image of the GNSS observation area, determining an actual weather event of the GNSS observation area from the synthesis of the plurality of actual weather features, further comprises: collecting a plurality of actual meteorological features, and determining actual meteorological multi-mode data according to the form, the position and the time of the actual meteorological features; And determining a plurality of sub-meteorological events of the GNSS observation area according to the identification of the actual meteorological multi-mode data, and determining the actual meteorological events according to the mapping relation of the plurality of sub-meteorological events and the actual meteorological events.
8. A GNSS weather parameter optimization system, applied to the GNSS weather parameter optimization method according to any of claims 1 to 7, comprising: the GNSS observation point module is used for acquiring the position of the GNSS observation area and determining a plurality of GNSS observation points according to the position and the area morphology of the GNSS observation area; The weather area module is used for determining a corresponding weather parameter combination based on weather detection of each GNSS observation point, determining a plurality of weather areas according to the relative positions of each GNSS observation point and the corresponding weather parameter combination, and displaying the plurality of weather areas at different positions of the GNSS observation area; The theoretical weather event module is used for determining the corresponding weather type based on the identification of each weather region and determining the theoretical weather event of the GNSS observation region according to the weather parameters, the position and the weather type corresponding to each weather region; The actual meteorological event module is used for determining a plurality of actual meteorological features according to the identification of the current image of the GNSS observation area and determining actual meteorological events of the GNSS observation area according to the synthesis of the plurality of actual meteorological features; The optimization module is used for determining abnormal weather content based on the comparison of the theoretical weather event and the actual weather event, determining an abnormal weather region according to the tracing of the abnormal weather content, marking corresponding abnormal weather parameters, and determining optimized weather parameters based on the abnormal weather parameters and the optimization of the abnormal weather region.

Description

GNSS meteorological parameter optimization method and system Technical Field The invention relates to the technical field of meteorological parameter optimization methods, in particular to a GNSS meteorological parameter optimization method and system. Background With the development of technology, GNSS (global navigation satellite system) is gradually applied to life of people and detects the weather of a GNSS observation area to introduce a plurality of weather parameters, in the prior art, the weather detection of the GNSS observation area is monitored in real time, the plurality of weather parameters are collected, theoretical weather events of the GNSS observation area are estimated according to the plurality of weather parameters, the estimation is performed only along a single dimension of the weather parameters, the accuracy of the theoretical weather events is affected, and the theoretical weather events are inconsistent with the actual weather events easily and cannot be optimized for abnormal weather parameters. Disclosure of Invention The invention aims to overcome the defects of the prior art, and provides a GNSS meteorological parameter optimization method and system. The embodiment of the invention provides a meteorological parameter-based optimization method, which comprises the following steps: acquiring the position of a GNSS observation area, and determining a plurality of GNSS observation points according to the position and the area morphology of the GNSS observation area; Determining a corresponding meteorological parameter combination based on the meteorological detection of each GNSS observation point, determining a plurality of meteorological areas according to the relative positions of each GNSS observation point and the corresponding meteorological parameter combination, and displaying the plurality of meteorological areas at different positions of the GNSS observation area; determining a corresponding meteorological type based on the identification of each meteorological region, and determining theoretical meteorological events of the GNSS observation region according to meteorological parameters, positions and meteorological types corresponding to each meteorological region; determining a plurality of actual meteorological features according to the identification of the current image of the GNSS observation area, and determining actual meteorological events of the GNSS observation area according to the synthesis of the plurality of actual meteorological features; The method comprises the steps of determining abnormal weather content based on comparison of theoretical weather events and actual weather events, determining an abnormal weather region according to tracing of the abnormal weather content, marking corresponding abnormal weather parameters, and determining optimized weather parameters based on optimization of the abnormal weather parameters and the abnormal weather region. The embodiment of the invention provides a GNSS weather parameter optimization system, which is applied to the GNSS weather parameter optimization method, and comprises the following steps: the GNSS observation point module is used for acquiring the position of the GNSS observation area and determining a plurality of GNSS observation points according to the position and the area morphology of the GNSS observation area; The weather area module is used for determining a corresponding weather parameter combination based on weather detection of each GNSS observation point, determining a plurality of weather areas according to the relative positions of each GNSS observation point and the corresponding weather parameter combination, and displaying the plurality of weather areas at different positions of the GNSS observation area; The theoretical weather event module is used for determining the corresponding weather type based on the identification of each weather region and determining the theoretical weather event of the GNSS observation region according to the weather parameters, the position and the weather type corresponding to each weather region; The actual meteorological event module is used for determining a plurality of actual meteorological features according to the identification of the current image of the GNSS observation area and determining actual meteorological events of the GNSS observation area according to the synthesis of the plurality of actual meteorological features; The optimization module is used for determining abnormal weather content based on the comparison of the theoretical weather event and the actual weather event, determining an abnormal weather region according to the tracing of the abnormal weather content, marking corresponding abnormal weather parameters, and determining optimized weather parameters based on the abnormal weather parameters and the optimization of the abnormal weather region. Compared with the prior art, the invention has the beneficial effects that: Acco