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For any digital communication scheme, the knowledge of carrier frequency (or the band it falls into) is a must. I think you meant carrier frequency for corner frequency. If you know this, next thing would be how bandwidth does the signal occupy? You can view the spectrum and get a visual clue of this. The bandwidth is actually determined by your bit rate (...


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Classic filteration is indeed done using convolution. Though I have seen broader definition of filtering as shaping the signal in its frequency domain which can be done in many other methods as well. Of course you can create meaningful operations using element wise operations and even specifically multiplication. Think of the case you have a noise with the ...


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As far my knowledge goes, the following are a few points over your question: Noise filtering process involves identifying the spectral behavior of noise (because that is how noise is characterized) and then suppressing it using appropriate filters, which selectively mitigate its energy across desired frequency bands. You are asking whether or not element ...


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