1·It is then subject to such mathematical indignities as wavelet decomposition, multi-resolution Fourier analysis, polyphase filtering and discrete cosine transformation.
接下来它还要经过一些数学处理程序，比如小波分解，多重分辨率傅立叶分析，多相过滤，离散余弦变换等。
2·The paper analyses the commutation processes in polyphase brushless DC generators.
本文分析了多相无刷直流发电机的换向过程。
3·The research of polyphase sequences will be put into practice finally although the research at present is mainly focus on theoretics.
对于多相序列的研究，虽然当前主要在理论研究阶段，但最终也要从工程上来实现。
4·The techniques of quadrature processor based on the polyphase filters are important part of software radio.
基于多相滤波的正交处理器技术是软件无线电技术的重要组成部分。
5·Based on polyphase filtering technology for digital quadrature transform, this paper presents a new algorithm for digital quadrature demodulation in SR through mathematical derivation.
文章基于多相滤波的数字正交变换技术，通过数学推导，提出了一种软件无线电中的数字化正交解调新算法。