Quadrature Mirror Filters (QMF) are a new type filter system.
正交镜象滤波器组(QMF)是一种新型的滤波系统。
As a key technology in digital quadrature demodulation system, the direct IF sampling filter with sharp cutting-off transition band can improve the performance of demodulation system.
中频采样是数字正交鉴相系统中的一项关键技术，具有锐截止特性的中频采样滤波器可以改善鉴相系统的性能。
Under certain conditions, combining the polyphase filtering structure of decimation filter, put forward an optimum design method of quadrature demodulation receiver, which owns decimation structure.
结合抽取滤波器的多项滤波结构，在一定条件下，推导出了一种含抽取正交解调接收机最优结构设计方法。
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。
The design and implementation of quadrature waveform generator are described based on the AT89C52, phase-locked loop(PLL) and switched-capacitor filter(SCF).
描述了基于AT89C52单片机、锁相环和开关电容滤波器的正交信号发生器的设计和实现方法。
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。
Quadrature mirror filter Banks is a project which belongs to multi-sample rate digital signal process.
正交镜像滤波器组是多抽率数字信号处理领域研究的问题。
The effect of in-phase and quadrature channel errors on digital quadrature demodulation is analyzed and an optimal digital filter design method is selected.
通过分析同相、正交通道误差对正交解调性能的影响，确定了滤波器最佳设计准则。
The quadrature mirror filter (QMF) is very effective in the aspect.
这种滤波器在重建信号方面非常有效。
A novel design for a two-channel IIR quadrature mirror filter (QMF) bank with near-perfect reconstruction is presented in this thesis.
本文提出了一种新的设计两通道近似完全重构IIR滤波器组的方法。
A novel design for a two-channel IIR quadrature mirror filter (QMF) bank with near-perfect reconstruction is presented in this thesis.
本文提出了一种新的设计两通道近似完全重构IIR滤波器组的方法。
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