| 基于互相关和MUSIC算法的时延估计 |
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| 引用本文： | 蒋伊琳,司锡才.基于互相关和MUSIC算法的时延估计[J].弹箭与制导学报,2009,29(5). |
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| 作者姓名： | 蒋伊琳 司锡才 |
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| 作者单位： | 哈尔滨工程大学信息与通信工程学院,哈尔滨,150001 |
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| 摘 要： | 为了避免相位干涉仪测向技术中存在的模糊问题,提高宽带信号时延估计的测量精度,把互相关和多重信号分类算法结合,引入到频域时延估计领域,研究了互相关MUSIC算法.利用互相关技术可消除非相关噪声,检测概率增加,减小了运算量.仿真结果表明,该算法具有较高的估计精度,较强的抗噪性和较强的鲁棒性,适用于电子对抗领域中的时延估计.
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| 关 键 词： | 互相关函数 多重信号分类 时延估计 |
Time Delay Estimation Based on Cross-correlation and Multiple Signal Classification |
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| JIANG Yilin,SI Xicai.Time Delay Estimation Based on Cross-correlation and Multiple Signal Classification[J].Journal of Projectiles Rockets Missiles and Guidance,2009,29(5). |
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| Authors: | JIANG Yilin SI Xicai |
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| Affiliation: | JIANG Yilin,SI Xicai(College of Information , Communication Engineering,Harbin Engineering University,Harbin 150001,China) |
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| Abstract: | For avoiding fuzzy in the direction-finding technology of phase interferometer,and for improving measuring precision of wideband signal delay estimation,the combination of cross-correlation function and multiple signal classification(MUSIC) algorithm was introduced to the field of time delay estimation(TDE) in frequency domain.A MUSIC based on cross-correlation function high precision TDE algorithm was researched.The irrelevant noise can be completely eliminated by the cross-correlation method in theory,and... |
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| Keywords: | cross-correlation function multiple signal classification time delay estimation |
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