Plot rectangular pulse as a function of 2 variables

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GRANT
GRANT 2023-9-6
回答： Pooja Kumari 2023-9-27
T_b or the symbol period is not given, f is the frequency, this is supposed to be a fourier transform. How do I plot the rectangular pulse of (f*T_b), I get errors saying rectangularPulse funciton only accepts inputs of a single variable.

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Pooja Kumari
Pooja Kumari 2023-9-27
Dear Grant,
It is my understanding that you are facing issue with plotting rectangular pulse as a function of two variables i.e.”T_b” and “f”. “T_b” is the symbol period, and “f” is the frequency.
The rectangular Pulse function is used to generate a rectangular pulse with a duration of “T_b” and an amplitude of 1. The function is applied to the time vector t, resulting in the rectangular pulse waveform. You can take Fourier transform of rectangular pulse using “fft” function. You can refer to the documentation of Fourier transform:
https://www.mathworks.com/help/matlab/ref/fft.html
You can refer to the below documentation for more information on “rectpulse” function:
https://www.mathworks.com/help/comm/ref/rectpulse.html
Regards,
Pooja Kumari

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