采用半定规划(SDP)方法设计多速率l波段频率响应掩蔽(FRM)滤波器

H. Chen, K. Ho
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引用次数: 0

摘要

本文推广了适用于多速率应用的改进频率响应掩蔽(MFRM)滤波器结构。整个滤波器由低延迟FIR和IIR滤波器组成。提出了一种新的SDP方法来设计MFRM滤波器。设计结果表明,该结构和设计方法可以有效地降低传统MFRM滤波器在多速率应用中的系统延迟和算法复杂度。研究了低延迟l波段MFRM滤波器在实现锐利截止离散傅立叶变换(DFT)滤波器组中的应用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A semidefinite programming (SDP) method for designing L-band frequency response masking (FRM) filters for multirate applications
This paper generalizes the modified frequency response masking (MFRM) filter structure for multirate applications. The overall filter is composed of low-delay FIR and IIR filters. A new SDP method is also proposed for designing these MFRM filters. Design results show that the structure and the design method are very useful to reduce the system delay and arithmetic complexity of traditional MFRM filters for multirate application. The application of the low-delay L-band MFRM filters to realize sharp-cutoff Discrete Fourier Transform (DFT) filter bank is also studied.
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