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noise reduction by using filter

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bidyut mandi
bidyut mandi 2017-12-11
回答： Star Strider 2017-12-11
I have added a signal of 4000Hz and a noise of 50Hz .I want to reduce noise by using a filter.Can anyone suggest what type of filter and what freq. should I use.

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Star Strider
Star Strider 2017-12-11
See Remove the 60 Hz Hum from a Signal (link).
Change the notch frequency and other parameters to fit your signal.

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