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。
2
IIR polyphase wavelet-based RMS, real power and reactive measurement algorithm is used to measure group of actual data from Xi 'an Chemical Plant.