A Simulation Calculation Method for Effective Coverage of Remote Sensing Satellites Considering Regional Scale
A technology of remote sensing satellite and simulation calculation, which is applied in the fields of calculation, instrumentation, electrical digital data processing, etc. It can solve the problems of not considering the physical constraints of data transmission, ignoring the impact, etc., and achieve the effect of accurate simulation calculation results and improved efficiency
Inactive Publication Date: 2018-10-12
WUHAN UNIV
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[0012] However, the effective coverage calculation method for earth observation in the above research is essentially based on the ideal coverage of sub-satellite point trajectories, using empirical models to add constraint factors to estimate coverage efficiency, and then calculate effective coverage parameters, without considering satellite data storage, Physical constraints such as data transmission, power supply, and observation geometry do not take into account the impact of different regional scales on effective coverage index parameters
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[0039] In order to facilitate those of ordinary skill in the art to understand and implement the present invention, the present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the implementation examples described here are only used to illustrate and explain the present invention, and are not intended to limit this invention.
[0040] please see figure 1 , figure 2 , image 3 and Figure 4 , the present invention proposes an effective coverage based on three different regional scales of global, national, and key observation cities (such as Wuhan), analyzes their respective index composition, and comprehensively considers remote sensing satellite data storage capabilities, satellite-to-ground data transmission capabilities, etc. Constrained by performance parameters and meteorological conditions such as clouds, rain, and snow in the observation area, a method for calculating the ...
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The invention discloses a method for simulation computation of effective coverage of a remote sensing satellite with consideration of regional scales. The method comprises the steps that firstly, effective coverage performance indexes of remote sensing earth observation is designed, wherein the design comprises design of a spatial coverage performance index, design of a time coverage performance index and design of a physics coverage performance index; and then the simulation computation of the effective coverage of the remote sensing satellite is carried out under the different regional scales with comprehensive consideration of physics performance constraint conditions and weather constraint conditions of the remote sensing satellite, wherein the simulation computation comprises simulation computation of the earth observation effective coverage of the satellite in small-scale regions, simulation computation of the earth observation effective coverage of the satellite in middle-scale regions, and the simulation computation of the earth observation effective coverage of the satellite in large-scale regions. The method disclosed by the invention has the advantages that simulation computation results become more accurate and further approach actual situations; and efficiency of the simulation computation is increased.
Description
technical field [0001] The invention belongs to the field of remote sensing earth observation effectiveness evaluation, and relates to a remote sensing earth observation effective coverage index composition and a simulation calculation method. Background technique [0002] Effective coverage is a concept that is often involved in satellite systems, and it reflects the ground coverage status that the satellite system can actually detect the target signal. [0003] Scholars in the field of navigation have conducted research on the range of effective coverage of navigation signals, and accurately analyzed the range of signal coverage. The simulation analysis of effective coverage of wireless sensor network provides a solid guarantee for the design of coverage control strategy. [0004] In the field of remote sensing earth observation, Dai Jinhai, He Yongjun, etc. first proposed the concept of "effective coverage", that is, under a specific observation task, certain time, space...
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IPC IPC(8): G06F17/50
CPCG06F30/367
Inventor 巫兆聪巫远林志勇张熠杨帆高飞
Owner WUHAN UNIV