I have 2 analog signals which I'd like to sample 100 times.
% sampling frequency (fs) is 6000 Hz
fs1 = 6000;
% I want to take 100 samples of the analog signals
nSamples = 100;
% attempt at axis definition
t1=0:1/fs1:100;
% analog input signals
x1 = (sin(2*pi*1000*t1).^2).*(cos(2*pi*1000*t1).^3);
y1 = (1/8) - (1/8)*cos(1*pi*2000*t1);
How do I define t1 such that I can plot the sampled data

 Akzeptierte Antwort

Star Strider
Star Strider am 30 Sep. 2022
I am not certain what you want to plot.
Perhaps —
% sampling frequency (fs) is 6000 Hz
fs1 = 6000;
% I want to take 100 samples of the analog signals
nSamples = 100;
% attempt at axis definition
t1=0:1/fs1:100;
% analog input signals
x1 = (sin(2*pi*1000*t1).^2).*(cos(2*pi*1000*t1).^3);
y1 = (1/8) - (1/8)*cos(1*pi*2000*t1);
figure
plot(t1, [x1; y1])
grid
xlabel('t')
ylabel('Amplitude')
legend('x1','y1', 'Location','best')
xlim([0 0.01]) % Optional
I restricted the region of the x-axis to plot here to show detail.
.

4 Kommentare

Huzaifa Ahmad
Huzaifa Ahmad am 30 Sep. 2022
Hi, thank you for your response.
I want to plot the frequency response.
Star Strider
Star Strider am 30 Sep. 2022
My pleasure!
Do you mean the Fourier transform (fft or pspectrum) or something else?
Huzaifa Ahmad
Huzaifa Ahmad am 30 Sep. 2022
Hi I ahve figured it out. I meant the fft.
Thanks again,
Huzaifa
Star Strider
Star Strider am 30 Sep. 2022
As always, my pleasure!

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