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关于用MSP430做FIR滤波器的问题



用Matlab的fdatool做了一个滤波器,生成fir滤波系数,但放到MSP430中,运算量太大,代码效率太低,导致处理完一组数据,都采样了好几组。有什么办法可以提高效率吗?FIR数字滤波器代码合成器FIR_filter_codegen.exe 这个是怎么用的?