| 合成孔径雷达多普勒调频斜率估计方法及计算机仿真 |
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| 引用本文： | 杨辉,张长耀. 合成孔径雷达多普勒调频斜率估计方法及计算机仿真[J]. 雷达科学与技术, 1998, 0(4) |
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| 作者姓名： | 杨辉 张长耀 |
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| 作者单位： | 空军雷达学院，华东电子工程研究所 武汉 430010，合肥 230031 |
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| 摘 要： | 讨论了基于相位梯度算法和相位差算法的多普勒调频斜率的估计方法,并与子图相关自聚焦估计算法进行了较全面的比较。给出计算机仿真的参数条件及仿真图象。
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| 关 键 词： | 相位梯度算法 相位差算法 合成孔径雷达 多普勒调频斜率 子图相关自聚 焦算法 |
Estimation Method and Computer Simulation of Doppler Frequency Rate in SAR Signal |
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| Yang Hui. Estimation Method and Computer Simulation of Doppler Frequency Rate in SAR Signal[J]. Radar Science and Technology, 1998, 0(4) |
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| Authors: | Yang Hui |
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| Abstract: | Some methods used to estimate doppler frequency rate in SAR signal,based on Phase Gradient Algorithm (PGA) and Phase Difference Algorithm (PDA),are presented in the paper. The comparison of them with subaperture correlation autofocus algorithm is also given. Finally, compared results and performance analysis are discussed by computer simulation data and images. |
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| Keywords: | Phase Gradient Algorithm (PGA) Phase Difference Algorithm (PD) SAR Doppler frequency rate Subaperture correlation autofocus algorithm |
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