用TMS32010实现FIR数字滤波器

Implementation of FIR Digital Filter with TMS 32010

本文介绍了用 TMS32010单片数字信号处理器实现有限冲激响应(FIR)数字滤波器的方法.着重考虑如何减少处理时间和所需要的数据存储单元.以实现长度为80的带通 FIR滤波器为例,对直接式编程和循环编程作了权衡比较,并给出了所实现的滤波器的频率响应.

In this paper,a method for implementing Finite Impulse Response(FIR)digital filter with TMS 32010 is described.Enpha- sis is on minimizing both the execution time and the number of data memory location required.With an example of implementa- tion of length-80 FIR filter,the trade-offs between the straight- line version code and the looped version code is summarized in a table.Finally,the frequency response of the implemented filter, as expected,is given.