polyphase decomposition filter 多相分解滤波器
The polyphase decomposition theory is also applied to optimize the algorithm and improve the computing efficiency.
并且进一步运用滤波器的多相分解理论，对谱估计算法进行了优化，极大地提高了计算效率。
参考来源 - 多抽样率信号处理方法及其在实时系统中的应用Parallel structure of polyphase decomposition and parallel mixer is applied in the DDC circuit,it solves the bottleneck in mixing and increases the handless speed.
本文将多相滤波下变频的并行结构应用到数字下变频电路中,并在后继的混频模块中也采用并行混频的方式来实现,不仅在一定程度上解决了二者之间的瓶颈问题,同时也大大提高了实时处理速度。
参考来源 - 基于多相滤波的宽带DDC及其FPGA实现·2,447,543篇论文数据，部分数据来源于NoteExpress
Polyphase decomposition is applied to non-recursive part to realize high-speed filtering.
对非递归部分进行多相分解，实现高速滤波。
The polyphase decomposition theory is also applied to optimize the algorithm and improve the computing efficiency.
并且进一步运用滤波器的多相分解理论，对谱估计算法进行了优化，极大地提高了计算效率。
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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