Volume 31 Issue 2
Feb.  2006
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YANG Jie, PAN Bin, LI Deren, ZHONG Yongzheng. Location of Spaceborne SAR Imagery Without Reference Points[J]. Geomatics and Information Science of Wuhan University, 2006, 31(2): 144-147.
Citation: YANG Jie, PAN Bin, LI Deren, ZHONG Yongzheng. Location of Spaceborne SAR Imagery Without Reference Points[J]. Geomatics and Information Science of Wuhan University, 2006, 31(2): 144-147.
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Location of Spaceborne SAR Imagery Without Reference Points

  • 1 State Key Laboratory of Information Engineering in Surveying,Mapping and Remote Sensing,Wuhan University,129 Luoyu Road,Wuhan 430079,China;2 School of Remote Sensing and Information Engineering,Wuhan University,129 Luoyu Road,Wuhan 430079,China;3 China Soft Resource Corporation,55 South Xueyuan Road,Haidian District,Beijing 100081,China

Funds: 国家973计划资助项目(2003CB415205);测绘遥感信息工程国家重点实验室开放研究基金资助项目(904151695);“龙计划”资助项目
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  • Received Date: November 15, 2005
  • Revised Date: November 15, 2005
  • Published Date: February 04, 2006
    Graphical Abstract
    • Abstract
  • A method is developed to determine the location of a pixel in a SAR image in this paper.This technique utilizes the spacecraft ephemeris data and the characteristics of the SAR data collection system to produce an estimate of the latitude and longitude of an arbitrary pixel.This approach has an advantage over previous techniques in that it requires no reference points and is independent of spacecraft attitude knowledge or control.Test is conducted using ERS1 SAR imagery,comparing predicted feature location with the location as determined by high precision area maps.Results indicate an accuracy of 50 m is attainable with this method.
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