## Re: A question on Rick Lyons' Understanding Digital Signal Processing 5.3.1 about Gibbs’s phenomenon

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...

## A question on Rick Lyons' Understanding Digital Signal Processing 5.3.1 about Gibbs’s phenomenon

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

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

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

Thanks all for the answer. Now I have more clear understanding on this.

## coherence bandwidth and carrier frequency

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...

## Re: What is the significance of whitening "signal + noise" at the receiver side in a wireless communication system

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...

## Re: What is the significance of whitening "signal + noise" at the receiver side in a wireless communication system

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...

## What is the significance of whitening "signal + noise" at the receiver side in a wireless communication system

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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