利用星载InSAR技术获取DEM及误差来源分析

Analysis of DEM and Error Sources using Spaceborne InSAR Technique

星载干涉合成孔径雷达(InSAR)技术是一种高效的数字高程模型(DEM)获取方法,对其展开探讨具有十分重要的意义。本文对InSAR高程测量原理进行简要概述,提出获取DEM的相关技术流程,并分析了利用星载InSAR技术获取DEM的误差来源。

Satellite-borne interferometric synthetic aperture radar(InSAR)technology is an efficient DEM acquisition method,and it is of great significance to explore it.This paper gives a brief overview of the principle of InSAR elevation measurement,proposes the technical process of DEM acquisition,and analyzes the error source of DEM acquisition by satellite-borne InSAR technology.