| 基于一维高分辨距离像的相关测速补偿算法 |
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| 引用本文： | 包云霞,毛二可,何佩琨. 基于一维高分辨距离像的相关测速补偿算法[J]. 北京理工大学学报, 2008, 28(2): 160-163 |
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| 作者姓名： | 包云霞 毛二可 何佩琨 |
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| 作者单位： | 北京理工大学信息科学技术学院电子工程系,北京,100081;北京理工大学信息科学技术学院电子工程系,北京,100081;北京理工大学信息科学技术学院电子工程系,北京,100081 |
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| 摘 要： | 在分析运动目标对频率步进信号成像影响的基础上,阐述和推导了基于一维高分辨距离像的相关测速算法,给出了该算法的测速性能和实现流程.对是否利用IFFT结果的相位信息,提出了距离像实包络相关和复包络相关两种处理模式.针对空间高速运动目标.仿真和分析了各因素对测速精度的影晌.结果表明,该算法测速精度高,计算量小,抗噪性能较好,为宽带雷达实时自测速补偿提供可能.
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| 关 键 词： | 频率步进雷达 一维高分辨距离像 相关处理 运动补偿 |
| 文章编号： | 1001-0645（2008）02-0160-04 |
| 收稿时间： | 2007-07-04 |
| 修稿时间： | 2007-07-04 |
Motion Compensation Method Based on One-Dimension High Resolution Range Profile Cross-Correlation |
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| BAO Yun-xi,MAO Er-ke and HE Pei-kun. Motion Compensation Method Based on One-Dimension High Resolution Range Profile Cross-Correlation[J]. Journal of Beijing Institute of Technology(Natural Science Edition), 2008, 28(2): 160-163 |
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| Authors: | BAO Yun-xi MAO Er-ke HE Pei-kun |
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| Affiliation: | Department of Optical Engineering; School of Information Science and Technology; Beijing Institute of Technology; Beijing 100081; China;Department of Optical Engineering; School of Information Science and Technology; Beijing Institute of Technology; Beijing 100081; China;Department of Optical Engineering; School of Information Science and Technology; Beijing Institute of Technology; Beijing 100081; China |
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| Abstract: | The effect caused by target motion on stepped-frequency signals imaging is discussed and a new method based on high resolution range profile cross-correlation for velocity measurement and motion compensation is analyzed in detail.The theoretical performance and implemental approach are also presented.Whether to utilize the phase information of the range profile,two processing modes namely real envelope cross-correlation and complex envelope cross-correlation are brought forward.Towards high speed space targets,simulations showed the measurement performance versus processing modes and other important factors.The results manifested that the method can have high accurate estimation with efficient computation and ensure the system's functions such as real-time independent velocity measurement and motion compensation. |
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| Keywords: | stepped-frequency radar one-dimension high resolution range profile(HRRP) cross-correlation processing motion compensation |
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