本文研究内容与成果如下：1.时序InSAR技术城市沉降监测的研究进展；

The research contents and results of this paper are as follows: <br>1. Research progress of time series InSAR technology urban settlement monitoring; <br>2. Query and collection of SAR data and DEM data; <br>3. Sentinel-1A SAR data processing; SBAS technology work flow; The city ’s Sentinel-1A data from April 2019 to April 2020 was processed to obtain the time position sequence and average displacement rate of the study area. <br>4. Ground subsidence monitoring based on time series InSAR technology; <br>5. Land subsidence analysis in Jinan City;

The contents and results of this paper are as follows:<br>1. The research progress of the monitoring of urban settlement of time series InSAR technology;<br>2. SEARCH AND COLLECTION OF SAR DATA AND DEM DATA;<br>Sentinel-1A SAR data processing; SBAS technical workflow; and SBAS technology processed Sentinel-1A data from April 2019 to April 2020 in Jinan City to obtain time-location sequences and average displacement rates in the study area.<br>4. Ground subsidence monitoring based on time series InSAR technology;<br>5. Ground subsidence analysis in Jinan City;

The research contents and achievements of this paper are as follows:<br>1. Research progress of time series InSAR Technology for urban subsidence monitoring;<br>2. Search and collection of SAR data and DEM data;<br>3. Sentinel-1a SAR data processing; SBAS technology workflow; based on SBAS technology, sentinel-1a data of 12 scenes from April 2019 to April 2020 in Jinan City are processed, and the time position sequence and average displacement rate of the study area are obtained.<br>4. Land subsidence monitoring based on time series InSAR technology;<br>5. Analysis of land subsidence in Jinan;<br>