Note the "polyphase" option on the end of the SoX command. This is important to preserve the pitch of the file while altering its sample rate.
注意SoX命令结尾的“polyphase”选项，在改变文件采样率时该选项对于保存文件的基调非常重要。
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。
Based on macroscopic equivalent model theories and the microscopic analytical theories, the properties of wave propagation in the polyphase soil-stone mediums are studied.
运用宏观等效与微观分析相结合的手段从理论上研究土—石多相复合介质的波动传播特性。
The pattern of the existence of these polyphase and multi-stage telescoping mineralizations and many deposit types in the same belt shows the great ore potentials in the Gangdise island-arc belt.
这些多期、多阶段复合叠加成矿作用和多种矿床类型的“同带共存”格局，展示了冈底斯岛弧带的巨大找矿潜力。
Study the orthogonal design method of polyphase coded signals.
⒉研究了正交多相编码信号的设计方法；
Horizontal positional errors are corrected using polyphase filtering.
利用多相滤波来校正水平位置误差。
Polyphase of faults also proved the polyphase of reservoir formation.
断裂的多期性也给油气的多期成藏提供了依据。
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。
This paper proposes a technique of wideband digital down-convert based on polyphase filtering.
提出了一种基于多相滤波的宽带数字下变频技术。
Digital channelized receiver is a typical application of software radio based on polyphase filters.
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。
This paper proposes a technique to design wideband digitized receiver based on polyphase filtering.
提出了一种多相滤波的宽带数字化接收机的设计技术；
FIG. 7a schematically illustrates the use of a polyphase filter to correct the horizontal position.
图7a示意性地示出了使用多相滤波器来校正水平位置。
The synchronous hysteresis motor consists of a polyphase-wound stator and a magnetically hard rotor .
同步迟滞电动机由一个多相缠绕的定子和一个硬磁转子所组成。
Its major characteristic is suitable for polyphase walking electromotor and can work in full or half step.
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。
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。
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。
Meanwhile, by polyphase factorization, it was proved that the low-pass filter satisfies perfect reconstruction condition.
同时借助多相位分解，证明了多通道低通滤波器满足完全重构条件。
This machine is a new kind of generator which comprises DC armature winding connected with a polyphase full wave rectifier bridge.
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。
The polycrystalline structure of mullite-cordierite polyphase material and its contents were determined by XRD and SEM, respectively.
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。
This paper analyzes the digital down conversion (DDC) of wideband reconnaissance receiver IF digital signal based on polyphase filtering.
分析了基于多相滤波结构的宽带侦察接收机中频数字信号下变频处理方法。
Simulation results verified the performance of the proposed algorithm better than that of the polyphase transform and selective quantization.
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。
In this paper quadrature processor based on the polyphase filters and channelized receiver with polyphase filter-banks are studied in detail.
对基于多相滤波的正交处理器和多相滤波器组信道化接收机进行了详细的研究。
Compared with traditional direct implementation and folded filter, polyphase implementation has the advantage of requiring fewer chip resources.
与传统的直接实现形式和折叠滤波器等改进形式相比，多相形式具有占用资源少的优点。
In this paper, quadrature processor based on the polyphase filters and channelized receiver with polyphase filter - Banks are studied in detail.
对基于多相滤波的正交处理器和多相滤波器组信道化接收机进行了详细的研究。
IIR polyphase wavelet-based RMS, real power and reactive measurement algorithm is used to measure group of actual data from Xi 'an Chemical Plant.
基于小波功率分频带算法的原理，采用IIR小波多相滤波器组对西安化工厂的一组实际数据进行有效值、功率、无功功率的测量。
Analyze the feasibility of applying intelligent algorithms to the signal design and design orthogonal polyphase coded signals using the ant colony algorithm.
分析了将智能算法应用到信号设计中的可行性，并将蚁群算法运用到正交多相编码信号的设计中，对设计的多相码进行了分析研究。
The properties of auto-correlation for polyphase orthogonal sequences are very ideal, but its cross-correlation properties are not good when the phase number is low.
多相正交序列的自相关特性非常理想，但在低相数时，互相关特性不够理想。
Polyphase orthogonal codes are more excellent address-codes than duality codes, and polyphase complete complementary codes have even more fine correlation properties.
多相正交码是一种比二元码更优秀的地址码，而多相完全互补码具有更良好的相关特性。
This paper discusses the basic principle of channelized receiver with high speed and efficiency based on polyphase filter and the actual implementation scheme of FPGA.
讨论了基于多相滤波器组的高速高效信道化接收机基本原理以及FPGA具体实现方案。
This paper introduces a method of dynamic analysis of polyphase parallel connected linkage by means of the analysis of GUSA-a linkage impulsive stepless speed regulator.
本文以GUSA型脉动减速器为例，分析说明多相并列杆机构系统的动力学分析计算方法。
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