Frequency Spectrum of real time signal

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akrcal

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Hello,

I want to do real time FFT of a 1kHz sinusoidal signal which is coming from signal generator with the help of TMS320C6713 DSP kit and see the frequency spectrum of the signal on some graph on computer screen. How should I do that?

Thanks & regards,

Arun
 

If you have a clean sinusoidal signal at 1 kHz, then all your effort is for nothing. Your spectrum will be a single line at 1 kHz.
 

In code composer studio you can use graphs by referring x y axis variables in your code.

1) Set sampling rate of ADC
2) Take samples and copy them into array.
3) Calculate FFT
4) Use Graph wizards in Code Composer Studio to display.

You can use TI's code support library all three steps. For more information refer help of CSL.

Regards,
ALPER USLU
 

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