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Thanks Rick. Your updated drawing really resolved my confusion. I was puzzled before how we can see the rippled frequency response by doing the FFT/iFFT exercise...
Hi,If anyone has a copy of this book could you please shed some light here: I was trying to reproduce the example shown in section 5.3.1 Window Design Method's Figure...

Re: correlation for complex number

Reply posted 5 years ago (01/02/2018)
Actually I came across calculating "noise covariance matrix" during some study where we take the same noise vector N and do sort of correlation to itself, and couldn't...

correlation for complex number

New thread started 5 years ago
Hi,This question may be simple by I was surprised that it is not easy to find an answer by asking around or googling :I am wondering why when we calculate correlation...

Re: coherence bandwidth and carrier frequency

Reply posted 5 years ago (04/07/2017)
Thanks all for the answer. Now I have more clear understanding on this.

coherence bandwidth and carrier frequency

New thread started 5 years ago
Hi,I studied some materials regarding coherence bandwidth of the channel. These materials all mentioned that when the signal's bandwidth (baseband) is less than...
no there is no matched filter involved later. The whitening matrix is calculated from the time duration when we have "reference signal + noise" and it is then applied...
but when we do whitening on "signal + noise", wouldn't we skew the signal to be detected as well? I am looking for what the side effect this could cause... (The...
Hi,I came across this process when working on a wireless communication project where the whitening process is applied before we do signal detection, but I found little...

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