Cascaded-parallel adaptive notch filter based on orthogonal decomposition

被引:0
作者
Liu, Y [1 ]
Diniz, PSR [1 ]
Laakso, TI [1 ]
机构
[1] Aalto Univ, Signal Proc Lab, FIN-02150 Espoo, Finland
来源
PROCEEDINGS OF THE 2003 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS, VOL IV: DIGITAL SIGNAL PROCESSING-COMPUTER AIDED NETWORK DESIGN-ADVANCED TECHNOLOGY | 2003年
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暂无
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
In this paper, rational orthogonal basis functions are introduced to realize cascaded-parallel structure of adaptive notch filters (ANF) in the case of identifying and separating multiple sinusoids from wideband signals. The structural orthogonality provides good tradeoff between convergence speed and computational complexity. A simplified mean square output error (MSOE) updating algorithm is derived for the cascade-parallel realization. Simulation results confirm that the proposed structure converges faster compared with the cascade realizations with the same computational complexity.
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页码:428 / 431
页数:4
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