| PS-InSAR与DS-InSAR监测城市地面沉降的精度检验与分析 |
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| 引用本文： | 夏小裕,王哲奇.PS-InSAR与DS-InSAR监测城市地面沉降的精度检验与分析[J].海洋测绘,2020,40(4):65-67. |
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| 作者姓名： | 夏小裕 王哲奇 |
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| 作者单位： | 山东交通学院交通土建工程学院,山东济南 250357;绍兴市规划局上虞区分局,浙江绍兴 312300 |
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| 基金项目： | 山东省重点研发计划(公益类专项)(2019GGX105008) |
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| 摘 要： | 为检验PS-InSAR和DS-InSAR监测技术的可靠性,利用覆盖上虞区的23景Sentinel-1影像,分别采用PS-InSAR和DS-InSAR技术进行数据处理,获得了两组上虞区的地表沉降信息,并用上虞区的二等水准监测数据进行精度检验与分析。研究结果表明,二等水准测量与PS-InSAR和DS-InSAR结果的互差主要分布在-5~+5mm/年范围内,说明PS-InSAR和DS-InSAR监测地面沉降结果可靠。
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| 关 键 词： | 合成孔径雷达干涉测量 差分雷达干涉测量 永久散射体差分干涉测量 分布式散射体干涉测量 地面沉降监测 二等水准测量 平均绝对偏差 克里金插值 |
Accuracy Test and Analysis of PS-InSAR and DS-InSAR Monitoring Urban Land Subsidence |
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| XIA Xiaoyu,WANG Zheqi.Accuracy Test and Analysis of PS-InSAR and DS-InSAR Monitoring Urban Land Subsidence[J].Hydrographic Surveying and Charting,2020,40(4):65-67. |
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| Authors: | XIA Xiaoyu WANG Zheqi |
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| Institution: | School of Transportation and Civil Engineering Shandong JiaoTong University,Jinan 250357 ,China; Shaoxing Planning Bureau,Shaoxing 312300 ,China |
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| Abstract: | To test the reliability of PS-InSAR and DS-InSAR monitoring technology,two sets of data of the surface subsidence of Shangyu are acquired by using PS-InSAR technique and DS-InSAR technique to process the data of the 23 scenes sentinel-1 images covering Shangyu area respectively.The accuracy of the results is tested and analyzed by using the second-order leveling results of Shangyu area.The results show that the mutual difference between the second-order leveling results and PS-InSAR or DS-InSAR results is mainly distributed in the range of -5~+5 mm/year, which demonstrate that the monitoring results of PS-InSAR and DS-InSAR are reliable. |
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