基于DSP的FIR数字滤波器设计与实现  

With realizes based on the DSP FIR digit filter design

作　　者：赵顺珍[1] 马英[1] 

机构地区：[1]青海民族学院电信系,青海西宁810007

出　　处：《微计算机信息》2009年第5期162-163,31,共3页Control & Automation

摘　　要：分析了FIR数字滤波器的基本原理,在MATLAB环境下利用窗函数设计FIR低通滤波器,实现了FIR低通滤波器的设计仿真。将设计的符合要求的滤波器在TI公司DSP TMS320LF2407A上实现。通过实验结果表明FIR滤波器准确度高、稳定性好,可以有效的滤除干扰信号,设计结果满足性能指标要求。Has analyzed the FIR digit filter＇s basic principle, designs the FIR low pass filter under the MATLAB envirOnment using the window box number, has realized the low pass FIR filter＇s design simulation. It will design conforms to the request filter to realize on TI Corporation DSP TMS320LF2407A, through the experimental result indicated that the FIR filter accuracy is high, the stability is good, may the effective filtration unwanted signal, the design result satisfy the performance index request.

关 键 词：FIR数字滤波器 MATLAB 仿真 DSP 

分 类 号：TN914[电子电信—通信与信息系统]