Satellite-borne InSAR implementation method for distributed satellite dual-band split launching

The invention provides a satellite-borne InSAR (Interferometric Synthetic Aperture Radar) implementation method for distributed satellite dual-frequency-band split emission, dual-frequency radars are respectively mounted on two satellites with distributed configurations at the same time, dual frequencies adopt an integrated and integrated cooperative work design, and dual-frequency beams observe the same region at the same time. According to the method, the image quality is improved under the condition that the power consumption of each satellite is not increased by adopting a mode that the double satellites separately transmit the dual-band SAR signals and simultaneously receive the dual-band echo signals; by adopting a mode that double satellites alternately transmit double-frequency SAR signals and simultaneously receive double-frequency echo signals, the length of an interference baseline is increased, and the ground elevation measurement precision is improved. 本发明提供一种分布式卫星双频段分置发射的星载InSAR实现方法，双频雷达同时分别安装在两