FIR滤波器的CPLD参数化模块设计

Parametric Module Design of FIR Filter via CPLD

目的 介绍采用可编程逻辑器件 CPLD对 FIR滤波器参数化模块设计的原理和技术 .方法 根据 FIR滤波器的卷积表示式 ,用 CPLD的查找表来实现 FIR滤波器 .结果 采用此方法可以用 CPLD方便地设计不同阶 FIR滤波器 .结论 模块参数化设计能够快速设计

Aim\ The principle and technology of parametric module for FIR filter via programmable logic device CPLD is introduced. Methods\ According to convolution expression of FIR filter, FIR filter can be achieved by using look up tables (LUTs) of CPLD. Results\ The different tap FIR filter design with CPLD can be implemented by this way. Conclusion\ The FIR filter can be easy implemented by parametric module design.