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奇异值分解抑制窄带干扰的非线性方法 被引量:1

SVD - based Nonlinear Approach for Suppressing Narrow - Band Interference
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摘要 提出了一种联合奇异值分解(SVD)和非线性滤波抑制直接序列扩频通信(DS/SS)中单音干扰的方法,建立了相应的系统模型。并对传统的线性双边滤波器的信噪比增进因子和误码率进行了比较。仿真结果表明,奇异值分解的非线性滤波方法对干扰有很强的抑制能力,较好地改善了系统的性能。 A system model employing the proposed SVD - based nonlinear technique to reject the single - tone interference in a direct sequence spread spectrum (DS/SS) system is presented. Simulation results show that the nonlinear filtering method based on SVD technique has strong interference suppression ability.
出处 《通信技术》 2003年第7期22-23,共2页 Communications Technology
基金 国家自然科学基金(60172018)
关键词 奇异值分解 非线性滤波 最小均方滤波 singular value decomposition, nonlinear, least mean square(LMS)
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  • 2[2]Davidovici S, Kanterakis E G. Narrow - band interference rejection using real - time Fourier transforms. IEEE Trans. on Commun. , 1989; 37 (7):713 ~722
  • 3[3]Tufts D W, Kumaresan R, Kirsteins I. Data adaptive signal estimation by singular value decomposition of a data matrix. Proc. IEEE, 1982;70(6): 684 ~ 685
  • 4[4]Vijayan R,Poor H V. Nordinear techniques for interference suppression in spread spectrum systen IEEE Trans. Commun., 1990,38(7): 1060 ~ 1065

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