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《Journal of Projectiles,Rockets,Missiles and Guidance》 2009-05
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Time Delay Estimation Based on Cross-correlation and Multiple Signal Classification

JIANG Yilin,SI Xicai(College of Information and Communication Engineering,Harbin Engineering University,Harbin 150001,China)  
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 computation is reduced,the detection probability increases.The simulation results show that the algorithm is featured with high precision and robustness,fitting for TDE in electronic countermeasure.
【Fund】: 国防基础科研基金资助
【CateGory Index】: TN971.1
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