How to find specific frequency in signal

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Ali Asghar
Ali Asghar 2019-8-11
评论： Star Strider 2019-8-16
Dear
I have signal 30000x2 size.
i want to find out the specific reqency in signal like 50hz noise and band of 60-2000hz freq.
How can i do it?
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Star Strider
Star Strider 2019-8-11
If you have R2018a or later and the Signal Processing Toolbox, use the bandpass function to filter your signal.
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Ali Asghar
Ali Asghar 2019-8-16
to clean 50hz from the signal, can i use
bandstop(signal,[49 50],Fs); ??
Star Strider
Star Strider 2019-8-16
I would use:
[signal_filtered, df] = bandstop(signal, [49 51], Fs);
You can then also use ‘df’ with filtfilt to filter other signals.

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