D-In SAR技术在城市地表变形监测中的应用初探

Application of D-In SAR Technology in the Monitoring of Urban Surface Deformation

合成孔径雷达差分干涉测量(D-In SAR)技术是近几年迅速发展的一种监测地壳形变的新型测量技术,它具有高精度、全天候、可以进行大范围城市地表变形监测等优点。本文介绍了D-In SAR技术的基本原理、D-In SAR技术在城市地表变形监测中的处理流程、探讨了制约D-In SAR技术监测城市地表变形精度的主要因素及其解决方法。

Differential interferometry synthetic aperture radar （D - In SAR） technology has been developing rapidly In recent years. It is a new type of measurement technology for crustal deformation with the advantage of high precision, all-weather application, and wide range monitoring. In this paper, the basic principle and monitoring process of D - In SAR technology were introduced, and the influence factors of the measurement precision were discussed.