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基于稳定点加权的GBSAR大气扰动校正方法

黄其欢 岳建平

黄其欢, 岳建平. 基于稳定点加权的GBSAR大气扰动校正方法[J]. 西南交通大学学报, 2017, 30(1): 202-208. doi: 10.3969/j.issn.0258-2724.2017.01.028
引用本文: 黄其欢, 岳建平. 基于稳定点加权的GBSAR大气扰动校正方法[J]. 西南交通大学学报, 2017, 30(1): 202-208. doi: 10.3969/j.issn.0258-2724.2017.01.028
HUANG Qihuan, YUE Jianping. GBSAR Atmospheric Turbulence Calibration Based on Weighted Stable Points[J]. Journal of Southwest Jiaotong University, 2017, 30(1): 202-208. doi: 10.3969/j.issn.0258-2724.2017.01.028
Citation: HUANG Qihuan, YUE Jianping. GBSAR Atmospheric Turbulence Calibration Based on Weighted Stable Points[J]. Journal of Southwest Jiaotong University, 2017, 30(1): 202-208. doi: 10.3969/j.issn.0258-2724.2017.01.028

基于稳定点加权的GBSAR大气扰动校正方法

doi: 10.3969/j.issn.0258-2724.2017.01.028
基金项目: 

国家自然科学基金资助项目(41304025)

江苏省自然科学基金资助项目(BK20130831)

详细信息
    作者简介:

    黄其欢(1978-),男,副教授,博士,研究方向为InSAR理论与应用,E-mail:GPSRS@163.com

GBSAR Atmospheric Turbulence Calibration Based on Weighted Stable Points

  • 摘要: 为解决地基合成孔径雷达变形监测中大气扰动对监测精度的影响问题,基于方位向大气扰动的相关特性,提出了一种基于稳定点加权的地基合成孔径雷达大气扰动校正新方法.该方法基于稳定像元推算大气扰动因子,利用大气扰动因子长度去除受扰动剧烈的影像,根据像元间距离加权获取非稳定像元大气扰动因子,从而校正非稳定点大气扰动,推算出变形信息.隔河岩大坝IBIS-L变形监测实验结果表明:雷达视线向大气扰动对变形的影响最大达75 mm;通过新方法校正后,大气扰动明显减小,变形监测精度提高到1 mm,且变形趋势与同期大坝垂线监测结果一致.

     

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出版历程
  • 收稿日期:  2015-02-06
  • 刊出日期:  2017-02-25

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