Visual description method of satellite detection global electromagnetic environment
A technology for electromagnetic environment and satellite detection, applied in measuring devices, electric/magnetic exploration, geophysical measurement, etc., can solve problems that no one has raised
Active Publication Date: 2016-01-20
ELECTRONICS ENG COLLEGE PLA
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However, all satellites except geosynchronous orbit satellites are in a state of constant motion relative to the earth, and their detection ranges are also constantly changing. The traditional modeling area is fixed and the electromagnetic environment visual description method based on geographic coordinates is no longer applicable.
Therefore, no one has proposed a method suitable for the visual description of the global electromagnetic environment by satellite detection.
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[0018] A method for visual description of the global electromagnetic environment by satellite detection, the method includes the steps in the following order: (1) defining time information, using the time axis as the benchmark of the electromagnetic environment visualization system; (2) judging according to the time information and satellite orbit information The satellite detects the ground coverage area, and visualizes the earth coverage area on a two-dimensional plane; (3) According to the satellite detection ground coverage area information and the ground electromagnetic radiation source information, the electromagnetic radiation source situation in the earth coverage area is judged, that is, according to the satellite Carry out inclusive inspection of points in the detection ground coverage; (4) Carry out visual display of satellite detection global electromagnetic environment according to the electromagnetic radiation source.
[0019] 1. Determination of the time base
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The invention relates to a visualized description method for a satellite measuring global electromagnetic environment. The method comprises the steps of defining time information, and enabling a time shaft to serve as a standard of an electromagnetic environment visualization system; judging a satellite measuring earth coverage area according to the time information and satellite orbit information, visually displaying the coverage area on a two-dimensional plane; judging electromagnetic radiation source conditions in the earth coverage area according to satellite measuring earth coverage area information and ground electromagnetic radiation source information; and performing satellite measuring global electromagnetic environment visualization display according to the electromagnetic radiation source conditions. The time information serves as the standard of electromagnetic environment description and is stored in a database, and time information records are added on the basis of electromagnetic environment element parameters to judge the electromagnetic environment conditions in a satellite measuring area and achieve real-time visualization description of the satellite measuring global electromagnetic environment.
Description
technical field [0001] The invention relates to the field of visual description of the electromagnetic environment, in particular to a method for visual description of the global electromagnetic environment for satellite detection. Background technique [0002] Visualization technology is a technology that emerged in the 1980s. Its meaning is to present complex data in a highly immersive display environment in the form of graphics (images) that people can easily understand and accept, providing people with data Computational and simulated means of visual interaction. The visualization of the electromagnetic environment is to analyze the types, attributes and distribution of various electromagnetic signals, and to express the electromagnetic situation by using visualization methods such as graphics and analysis reports. [0003] In the current research on the simulation and visualization of the electromagnetic environment, most of the research is on the design of the simulat...
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IPC IPC(8): G01V3/00
Inventor 郝士琦胡以华吕旭光焦均均方胜良王勇陈鹏刘加林
Owner ELECTRONICS ENG COLLEGE PLA