一种中频数字接收机中的数字滤波器设计

Design of the Digital Filter in IF Digital Receiver

摘要:

介绍积分梳状滤波器（Cascaded Integrator-Comb，CIC）和半带滤波器（Half-Balld，HB）在一种基于软件无线电技术的中频数字接收机中的设计与应用，包括数学原理、性能分析及设置等。通过分析和仿真证明，5级CIC和5级HB级联可以达到比较理想的效果。

关键词:信息处理技术;数字滤波器;抽取;中频数字接收机;仿真;积分梳状滤波器;半带滤波器

Abstract:

CIC filter and half-band filter are two kinds of important digital filters. Its design and configuration is crucial to the receive of system. In this paper, the application and design of the two kinds of filters in IF digital receiver based on the technol

Key words:information processing technology; digital filter;extraction; IF digital receiver; simulation; CIC filter; half-band filter