h1=impulse(num,dec,t); h2=step(num,dec,t); y=lsim(num,dec,x,t); figure(); plot(t,h1, 'r-o') hold on plot(t,h2, 'b-s') plot(t,y, 'k-*'); legend('Impulse Response','Step Response','sin(t) Response'); grid on; 将坐标点图形不显示,以线型区分效果较好: 为了更好分别...
); lc33 = d(:,7); d33 = d(:,8); uc33 = d(:,9); %time x = 0:10; zeroline=zeros(1,11); % Plot impulse responses figure; subplot(3,3,1); h1=plot(x',d1,'-r',x',lc1,'--b',x',uc1,'--b',x',zeroline,'-k') h1(1).LineWidth = 2; title('FS: Response...
% Impulse Response of an Elliptic Lowpass Filter % Design a fourth-order lowpass elliptic filter with normalized passband frequency 0.4. % Specify a passband ripple of 0.5 dB and a stopband attenuation of 20 dB. % Plot the first 50 samples of the impulse response. [b,a] = ellip(4,0.5,...
MATLAB:零状态响应(lsim(连续);filter(离散))、冲激响应(impulse或impz)和阶跃响应(step)、卷积(conv),程序员大本营,技术文章内容聚合第一站。
plot(t,impulse_response); xlabel('Time'); ylabel('Impulse Response'); title('Impulse Response of the System'); 结论 本文介绍了冲激响应的概念,以及在Matlab中计算冲激响应的方法。通过实例演示,我们了解了如何使用Matlab来计算连续系统和离散系统的冲激响应,并绘制了冲激响应曲线。通过研究系统的冲激响应...
title(‘Impulse Response’) [H,w]=freqs(num,den); figure(3);plot(w,abs(H)) xlabel(’\omega’) title(‘Magnitude Response’) 利用MATLAB 进行 Laplace 正、反变换 例6-3Laplace正反变换 以下两种皆可实现但新版本Matlab只支持(1)-1和(2)-1 ...
Compute the impulse response for i in range(len(n)): h[i] = -5 * delta[i] + 2 * delta[i-1] - 5 * delta[i-2] + 2 * delta[i-3] Print the impulse response print("Impulse Response h[n]:") for i in range(len(n)): print(f"h[{n[i]}] = {h[i]}") Plot the imp...
('Hamming Window');xlabel('n');ylabel('w(n)');subplot(2,2,3);stem(n,h);axis([0M-1-0.20.4]);title('Actual Impulse Response');xlabel('n');ylabel('h(n)');subplot(2,2,4);plot(w/pi,db);axis([01-10010]);grid;title('Magnitude Response in dB');xlabel('frequency in pi...
%% plot impulse response subplot(2,1,1) plot(n.*ts,h) xlabel('time [sec]') title('Impulse response of channel "3rd order filter" using plot') grid hold on scatter(n0.*ts,peak_no,'filled','r') subplot(2,1,2) stem(n,h) ...
[x,fs]=audioread('D:\1234.mp3');plot(x); 出现如下的图 对语音信号进行频谱分析 处理语音信号的时域波形图 对语音信号进行快速傅立叶变换,得到信号的频谱 代码语言:javascript 代码运行次数:0 运行 AI代码解释 clear[x,fs]=audioread('D:\1234.mp3');x=x(:,1);FS=length(x);X=fft(x);t=(0:FS...