Frequency shift is a distinctive problem in InSAR system which is produced by the unique geometry of the system resulted from the effect of baseline.

• 摘要频谱偏移理论是干涉合成孔径雷达系统特有的一个很重要的问题，它是由基线的存在而导致的干涉合成孔径雷达特有的几何关系造成的。