基于复多相滤波器组的信道化接收机  

A Channel Receiver Based on Complex Multiphase Filter Group

作　　者：李学军[1] 陈建安[1] 

机构地区：[1]西安电子科技大学电子工程学院,陕西西安710071

出　　处：《电讯技术》2005年第4期158-161,共4页Telecommunication Engineering

摘　　要：本文讨论了多相滤波器实现信道化接收机的原理,并结合复解析滤波器具有负频率分量为零、冲激响应函数实部和虚部有90°相移的特点,给出一种基于复解析滤波器组的信道化接收机的实现方案。最后通过Matlab对调幅(AM)信号的解调仿真验证了该接收机设计的正确性和可行性。The principle of using multiphase filter to realize a channel receiver is discussed, and the features that the negative frequency of complex analytic filter is equal to zero, and impulse response of the filter has 90° phase shift between real part and imaginary part are introduced. Then, the realization of a channel receiver based on complex analytic multiphase filter group is presented. Finally, the designing correctness and feasibility of the receiver is oroved by the simulation of AM signal demodulation with Matlab.

关 键 词：软件无线电 信道化接收机 复解析滤波器 多相滤波 设计 

分 类 号：TN850[电子电信—信息与通信工程]