polyphase decomposition filter
polyphase decomposition filter
多相分解滤波器
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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By utilizing equivalent transformation and polyphase decomposition of the decimation filter, both hardware cost and operating power of each sub-decimation filter were also reduced.
通过利用抽取滤波器的等价变换和多项分解性质，各滤波器级的硬件电路开销和运行功耗都得到了降低。
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