准准FIR滤波器组的边界滤波器和平稳滤波器的同时优化

1998 Midwest Symposium on Circuits and Systems (Cat. No. 98CB36268) Pub Date : 1998-08-09 DOI:10.1109/MWSCAS.1998.759528

W. Niehsen

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引用次数: 1

摘要

研究了有限长度信号的两波段准酉有限脉冲响应滤波器组的优化问题。在傅里叶域加权均方误差(MSE)意义上最优的边界滤波器和相关的平稳滤波器同时优化。仿真结果表明，最平坦的Daubechies滤波器在能量压缩性能方面几乎是最优的。

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Simultaneous optimization of boundary filters and stationary filters for paraunitary FIR filter banks

The optimization of two-band paraunitary finite impulse response (FIR) filter banks for finite-length signals is considered. Boundary filters which are optimal in a weighted mean square error (MSE) sense in the Fourier domain and the associated stationary filters are optimized simultaneously. Simulation results reveal that the maximally flat Daubechies filters are nearly optimal with respect to energy compaction performance.

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1998 Midwest Symposium on Circuits and Systems (Cat. No. 98CB36268)

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