An Airborne Insar Data Processing Method Based on BP Algorithm and Time-varying Baseline
A time-varying baseline, BP algorithm technology, applied in the direction of radio wave reflection/re-radiation, radio wave measurement system, use of re-radiation, etc., can solve the problems of elevation measurement error, interference phase error, etc. Extend the effect of the solution
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[0055] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings.
[0056] The invention discloses an airborne InSAR data processing method based on BP algorithm and time-varying baseline, which mainly includes BP algorithm imaging, phase unwrapping, time-varying baseline calculation, elevation inversion and other processes.
[0057] The side-view imaging geometric model of a single-pass airborne dual-antenna InSAR system is as follows: figure 1 As shown, the system works in the X-band, with a wavelength of 0.03m, adopts the right side view, one transmission and two reception modes, and the antenna T 1 Transmitting a chirp signal, antenna T 1 and T 2 Simultaneous reception, the system works in the case of non-ideal trajectory. In the 150m×150m ground simulation scene, place 25×20 dot m...
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