Multi-rate signal processing techniques including decimation, interpolation and their polyphase decomposition are introduced. The realization of multi-stage decimation is discussed.
接着论述了基本的多速率信号处理技术─抽取、内插及其多相分解，研究了多级抽取的实现方法。
参考来源 - 软件接收机若干关键技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Design multi-stage decimation system on the basis of Halfband filters and CIC filters.
波带滤波器和CIC滤波器的基础上设计了多级抽取系统。
In this paper, the high decimation ratio of digital down converter is studied and the multi-stage decimation algorithm is especially analyzed based on CIC filter, CFIR filter and RRC filter.
研究了高倍抽取的数字下变频设计，重点分析了基于级联积分梳状滤波器、级联补偿滤波器、级联根升余弦滤波器的多级抽样频率算法。
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