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I have a .CSV file having time domain signal data . But I want to plot it in frequency domain. How to do that using MATLAB ?

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Yogesh Nadarge
Yogesh Nadarge el 15 de Jul. de 2020
Comentada: Yogesh Nadarge el 28 de Jul. de 2020
I have a .CSV file having time domain signal data . But I want to plot it in frequency domain. How to do that using MATLAB ?

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Walter Roberson
Walter Roberson el 15 de Jul. de 2020
csvread() the file. Then follow the first example in the fft() documentation, as it shows how to construct the plot labels.
You will need to know what the sampling frequency of the signal is.
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Yogesh Nadarge
Yogesh Nadarge el 28 de Jul. de 2020
Hi,
I am attaching my .csv file which is having time data (in microseconds)in first column & amplitude data in second column. Can anybody help me to plot a frequency spectrum of this data. Your help will be much appreciated as I am new to FFT.

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