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机载条带SAR F.Leberl扩展模型无参考点定位
引用本文:钱李昌,孙文峰,马晓岩.机载条带SAR F.Leberl扩展模型无参考点定位[J].空军雷达学院学报,2008,22(4).
作者姓名:钱李昌  孙文峰  马晓岩
作者单位:1. 空军雷达学院研究生管理大队,武汉,430019
2. 空军雷达学院空天基预警监视装备系,武汉,430019
3. 空军雷达学院训练部,武汉,430019
摘    要:针对机载合成孔径雷达(SAR)条带成像模式,基于距离多普勒(RD)算法,建立了F. Leberl扩展模型,推导了不考虑地形起伏情况下基于该模型的图像无参考点定位公式体系,分析了多普勒参数估计误差、斜距及载机高度测量误差对定位精度的影响,并通过仿真给出了有用的结论.

关 键 词:F.  Leberl扩展模型  无参考点定位  定位误差分析

Extended F.Leberl Model-based Location of Airborne Strip-map SAR Without Reference Points
QIAN Li-chang,SUN Wen-feng,MA Xiao-yan.Extended F.Leberl Model-based Location of Airborne Strip-map SAR Without Reference Points[J].Journal of Air Force Radar Academy,2008,22(4).
Authors:QIAN Li-chang  SUN Wen-feng  MA Xiao-yan
Affiliation:QIAN Li-chang1,SUN Wen-feng2,MA Xiao-yan2
Abstract:In view of the strip-map mode of airborne synthetic aperture radar (SAR), an extended F. Leberl model was set up in terms of range Doppler (RD) algorithm, and formulas were derived for locating in SAR image without reference points when hypsography was not taken into consideration. The influence of Doppler parameters estimation errors, range and height measurement errors on the location precision was analyzed. By simulation a few useful conclusions were drawn.
Keywords:extended F  Leberl model  location without reference points  location precision analysis
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