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本文分析了多相无刷直流发电机的换向过程。The paper analyses the commutation processes in polyphase brushless DC generators.

混凝土是一种多相复合材料，其影响因素很多。Concrete is a kind of polyphase and compound material, be influenced with many factors.

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对非递归部分进行多相分解，实现高速滤波。Polyphase decomposition is applied to non-recursive part to realize high-speed filtering.

提出了一种基于多相滤波的宽带数字下变频技术。This paper proposes a technique of wideband digital down-convert based on polyphase filtering.

玲珑花岗质杂岩是一个多期次形成的复式岩体，最终定位于燕山期。Linglong granitic complex is a polyphase composite rock body, emplaced finally in Yenshan stage.

数字信道化接收机是基于多相滤波的软件无线电的典型应用。Digital channelized receiver is a typical application of software radio based on polyphase filters.

图7a示意性地示出了使用多相滤波器来校正水平位置。FIG. 7a schematically illustrates the use of a polyphase filter to correct the horizontal position.

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它的主要特点是适用于多种相数的步进电机，可在整步或半步方式下工作。Its major characteristic is suitable for polyphase walking electromotor and can work in full or half step.

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。The techniques of quadrature processor based on the polyphase filters are important part of software radio.

电气上与多相系统中性点连接的任一导体、端子或元件的总称。The designation of any conductors, terminal or any element connected to the neutral point of a polyphase system.

本文提出一种基于多相滤波结构的正交数字下变频方案，通过计算机和DSP仿真，证明了它的可行性。A method of DDC based on polyphase filter is presented. The computer and DSP simulations show the feasibility of it.

应用二维有限元法计算了多相无刷直流机的电感曲线，它是无刷直流机及其系统仿真分析的基础。The inductance curves of a polyphase brushless DC Motor are calculated by 2-D FEM method, which is the basis of simulation.

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此发电机是一种新型发电机，它由直流机电枢绕组外接多相全波整流桥组成。This machine is a new kind of generator which comprises DC armature winding connected with a polyphase full wave rectifier bridge.

采用XRD和SEM法确定莫来石-堇青石复相材料的晶相结构及其含量。The polycrystalline structure of mullite-cordierite polyphase material and its contents were determined by XRD and SEM, respectively.

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。The research of polyphase sequences will be put into practice finally although the research at present is mainly focus on theoretics.

在给定信道频谱划分方案下，推导了基于多相滤波器的信道化接收机数学模型。First, under a channel spectrum partition given, a mathematical model of channelized receivers is derived, based on polyphase filters.

如果删除该选项，将根据选择的输出采样率增加或减少输出采样的基调。If you remove the polyphase option, you will increase or decrease the pitch of the output sample, depending on the output rate selected.

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这是一个实现全概率接收的程序，基于多相滤波器组成的信道化接收机。This is a realization of the probability of receiving the whole process, based on the polyphase filter composed of channelized receiver.

本文主要分析了多相码数字脉压雷达系统中，接收机有限带宽对脉压输出结果所造成的影响。This paper analyses the bandwidth limitations on the performance of digitally implemented polyphase coded pulse compressors in the receiver.

实验结果表明，该算法的性能优于多相变换与选择量化算法。Simulation results verified the performance of the proposed algorithm better than that of the polyphase transform and selective quantization.