matlab运行出错了,求解?clear all;n=-10:10;t=-5:0.5:5;w=0:(pi/2):20*pi/2;subplot(311);[B,A]=butter(8,300/500);[H,w]=freqz(B,A,21,80);%频率响应plot(w,abs(6*H)); xlabel('w');ylabel('频率响应幅度');title('低通滤波器');grid;hold onsin
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![matlab运行出错了,求解?clear all;n=-10:10;t=-5:0.5:5;w=0:(pi/2):20*pi/2;subplot(311);[B,A]=butter(8,300/500);[H,w]=freqz(B,A,21,80);%频率响应plot(w,abs(6*H)); xlabel('w');ylabel('频率响应幅度');title('低通滤波器');grid;hold onsin](/uploads/image/z/7820856-0-6.jpg?t=matlab%E8%BF%90%E8%A1%8C%E5%87%BA%E9%94%99%E4%BA%86%2C%E6%B1%82%E8%A7%A3%3Fclear+all%3Bn%3D-10%3A10%3Bt%3D-5%3A0.5%3A5%3Bw%3D0%3A%28pi%2F2%29%3A20%2Api%2F2%3Bsubplot%28311%29%3B%5BB%2CA%5D%3Dbutter%288%2C300%2F500%29%3B%5BH%2Cw%5D%3Dfreqz%28B%2CA%2C21%2C80%29%3B%25%E9%A2%91%E7%8E%87%E5%93%8D%E5%BA%94plot%28w%2Cabs%286%2AH%29%29%3B+xlabel%28%27w%27%29%3Bylabel%28%27%E9%A2%91%E7%8E%87%E5%93%8D%E5%BA%94%E5%B9%85%E5%BA%A6%27%29%3Btitle%28%27%E4%BD%8E%E9%80%9A%E6%BB%A4%E6%B3%A2%E5%99%A8%27%29%3Bgrid%3Bhold+onsin)
matlab运行出错了,求解?clear all;n=-10:10;t=-5:0.5:5;w=0:(pi/2):20*pi/2;subplot(311);[B,A]=butter(8,300/500);[H,w]=freqz(B,A,21,80);%频率响应plot(w,abs(6*H)); xlabel('w');ylabel('频率响应幅度');title('低通滤波器');grid;hold onsin
matlab运行出错了,求解?
clear all;
n=-10:10;
t=-5:0.5:5;
w=0:(pi/2):20*pi/2;
subplot(311);
[B,A]=butter(8,300/500);
[H,w]=freqz(B,A,21,80);%频率响应
plot(w,abs(6*H));
xlabel('w');ylabel('频率响应幅度');
title('低通滤波器');
grid;
hold on
sinf=exp(-(n/pi).^2);
Y1=sinf.*exp(-1*j*pi/12.5).^(n*w);%采样信号的离散时间傅里叶变换
plot(w,abs(Y1));
xlabel('w');ylabel('Y1');
title('通过滤波器前频谱');
matlab运行出错了,求解?clear all;n=-10:10;t=-5:0.5:5;w=0:(pi/2):20*pi/2;subplot(311);[B,A]=butter(8,300/500);[H,w]=freqz(B,A,21,80);%频率响应plot(w,abs(6*H)); xlabel('w');ylabel('频率响应幅度');title('低通滤波器');grid;hold onsin
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