polyphase相关论文
凌力尔特公司(Linear Technology Corporation)推出LTC3787的H级和MP级版本。这款大功率两相单输出同步升压型DC/DC控制器用高效率......
The modelling, design and implementation of a high-speed programmable polyphase finite impulse response (FIR) filter wit......
It is well known that IIR digital filters require quite fewer computations,comparedwith FIR filters,in order to meet str......
借助于多相位分解,提出了多通道低通滤波器经相位分解后相应的向量的酉扩充方法,由此得到多通道正交小波滤波器所对应的扩充矩阵.......
该文提出了小波变换在电能测量上应用的新方法，提高了电能测量的精度和速度。直接使用小波变换数据的优点是它提供了与各小波分析级......
A new quadrature sampling technique for arbitrary bandpass signal within baseband sampling rate is presented. The input ......
The wide-band digital receiving systems require digital downconversion(DDC) with high data rate and short tuning time in......
对多相绕组的基本理论总结出了一个精炼的'五四三'表述:5S构成原则(Symmetrical,Sinusoidal,Superlative,Small,Simple,即......
本文提出一种新的带通信号采样方法,实现对带通信号的“等效”低通信号采样。带通信号实际采样率仅为输出端所获同相分量和正交分......
简述了FIR内插滤波的两种高效结构，说明两种内插滤波器的优缺点。针对图像放大中出现的混叠现象，采用相同的参数和参考图像，在视频缩......
提出了一种新型的OFDM接收系统,采用了多相滤波技术进行无线信道的关键参数估计.计算机仿真结果表明,相比于传统的接收系统,该系统......
Rheological properties of polyphase rocks play an important role in the dynamics of the lithosphere and asthenosphere. H......
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本文利用光学显微康、扫描电镜、透射电镜等,对实验室TMCP工艺生产的X100管线钢的组织构成、微观结构、析出物的形态和分布等进行......
In order to solve the recognition of polyphase code radar signal, this paper gives two methods based on Frank code, i.e.......
宽带数字接收系统要以大的调谐带宽截获窄带信号,要求数字下变频器具有高的数据率和快的调谐时间,现有的商用数字下变频器不能满足......
基于IHP 130 nm SiGe BiCMOS工艺,设计了一个由基于RC网络相移特性的polyphase移相器和差分时钟缓冲器组成的2 GHz四相时钟电路。......
The Makran represents a huge accretionary wedge in SE Iran that resulted from the long-lasting subduction of the Neoteth......
