MATLAB 中已知fir滤波器系数 求频率响应

2025-05-12 20:33:23
推荐回答(1个)
回答1:

b=1;

a=[843,-654519,-588988,-523459,-457934,-392411,-326891,-195838,-64787,66262,328381,590498,918149,1311335,1835592,2359848,3080711,3801575,4719046,5702053,6750596,7930212,9240901,10682663,12189962,13828334,15597779,17432762,19333283,21299341,23330937,25428071,27590743,29753416,31916090,34013231,36175908,38273052,40304660,42270734,44171273,45940741,47579137,49151999,50528253,51773435,52822010,53673977,54394872,54853623,55181302]

fvtool(b,a);

单击工具栏第三个按钮,就可以观察到幅频特性,