| 基于循环互相关的窄带回波多普勒频移估计 |
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| 引用本文： | 史建锋,马强.基于循环互相关的窄带回波多普勒频移估计[J].航天电子对抗,2006,22(3):31-33. |
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| 作者姓名： | 史建锋 马强 |
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| 作者单位： | 1. 北京军代局,北京,100041;解放军电子工程学院,合肥,230037
2. 北京军代局,北京,100041 |
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| 摘 要： | 针对雷达窄带回波信号的循环互相关估计多普勒频移问题进行了研究。利用信号循环平稳特性,分析了存在多普勒频移条件下雷达窄带回波信号的循环统计特性,在此基础上提出了基于循环互相关变换的多普勒频移估计算法,该方法能有效地估计多普勒频移参数。最后利用计算机进行了仿真实验,验证了该算法的有效性。
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| 关 键 词： | 循环互相关 线性调频 多普勒频移 估计 |
| 修稿时间： | 2005年11月29 |
Doppler frequency estimation of radar signal based on cyclic cross-correlation amplitude |
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| Shi Jianfeng,Ma Qiang.Doppler frequency estimation of radar signal based on cyclic cross-correlation amplitude[J].Aerospace Electronic Warfare,2006,22(3):31-33. |
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| Authors: | Shi Jianfeng Ma Qiang |
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| Abstract: | The Doppler frequency estimation of radar narrow band echo signal based on cyclic cross-correlation amplitude is discussed.The cyclic statistics of echo LFM signal is analyzed,and the Doppler frequency estimation based on the cyclic cross-correlation amplitude is constructed.The Doppler frequency is estimated efficiently after the method.Finally,the results of computer simulation show the method efficient. |
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| Keywords: | cyclic cross-correlation linear frequency-modulation Doppler frequency estimation |
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