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draw the amplitude-frequency characteristic curve of a particular transfer function

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Aquatris
Aquatris 2024 年 4 月 5 日
So what is your question actually? What did you try and is not working for you?
立达
立达 2024 年 4 月 5 日
I do not know how to use the following transfer function to draw the above graph of amplitude frequency characteristics, what code should be used or how to achieve it, thank you

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Mathieu NOE
Mathieu NOE 2024 年 4 月 5 日
Simply used your info and coded in matlab
you have now here the right half of the plot , if you need both negative and positive frequency plot (as in your picture), simply mirror the data
Ts = 1;
f = linspace(0,16/(2*Ts),500); % normalized freq vector
s = 1i*(2*pi*f); % s = j*omega
G = (1-exp(-s*Ts))./(s*Ts);
plot(f,abs(G));
xlabel('Normalized Frequency (k/Ts)');
ylabel('|G|');

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