This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

FIR滤波器

我在使用贵公司提供的FIR滤波器时候,发现当我把低通滤波器的截止频率设为300Hz以上的时候,输出结果就有负值,是不是因为贵公司代码只支持255阶一下的FIR系数呀?