Method for analyzing radiation properties of high-resolution SAR (synthetic aperture radar) satellites
A radiation performance, high-resolution technology, used in satellite radio beacon positioning systems, measuring devices, instruments, etc., can solve the problem of time-varying characteristics without considering other parameters, resolution and space-varying characteristics, not suitable for high-resolution SAR satellites, etc. question
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[0186] According to the given high-resolution SAR satellite system parameters, the method proposed by the present invention is used to calculate the radiation performance index of the system to verify the effectiveness of the method proposed by the present invention. Table 1 shows the parameter table of the high-resolution SAR system to be calculated. According to the method proposed in the present invention, the radiation performance index of the system is calculated, and the calculation result is as follows Figure 2 ~ Figure 6 .
[0187] Table 1 Input parameter table in the embodiment
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[0189]
[0190] Attached Table 2 Example of radiation performance index calculation results
[0191] parameter Value Azimuth resolution (m) 0.14~0.17 Distance resolution (m) 0.13~0.14 NESZ(dB) -27.54~-21.73 SNR(dB) 3.47~9.38 Radiation resolution (dB) 3.25~3.89
[0192] In this simulation experiment, the radiation performance index was calculated based on a set of high-resolution ...
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