Signal Processing Questions, Problems & Solutions : TransWikia.com ~ Page 18

phase response of an analog filter

I am trying to understand the relation between phase response of an analog filter and its influence on the quality of a signal with PSK modulation. For example I want...

Asked on 12/10/2020 by dcs

1 answer

how to extract a radio signal features with python?

I have a dataset of radio signals that i want to classify. So, I decided to extract features. After some googling, I have noticed that I have to calculate moments,...

Asked on 12/08/2020 by nechi

1 answer

Is there a program to extract features from an audio signal?

I am looking for a way to take a .wav file and extract features from it that could be used for further classification (the features could be MFCC statistics, an...

Asked on 12/07/2020 by signaler

3 answer

BER performance of fractional equalizers for colored noise

I am trying to compare the BER performance of fractional and symbol spaced equalizers for channel equalization in colored noise scenario. I have found from simulation that for positively...

Asked on 12/02/2020 by San

1 answer

If you would write the frequency-response in terms of projections through inproducts. How would you do it?

While studying for signals and systems I realised that the most intuitive way of understanding Fourier Series for me, was to see it as a projection (through inproducts) of a...

Asked on 11/30/2020 by Laurens

1 answer

Why does time-domain convolution correspond to frequency-domain multiplication? (visual)

I seek a visual explanation of this. I've already seen the maths, and can derive the proofs - they amount to nill for an intuitive understanding. Any amount of math...

Asked on 11/27/2020

0 answer

How to detect defects at a contour?

I am detecting a contour of a smooth metal. I do binarization first then use openCV contour function. But sometimes the metal has defects such as dots or dusts at...

Asked on 11/26/2020 by Superuser

2 answer

When is it possible to swap expander and compressor?

In the figure below I want to know when is it possible to swap expander and compressor so that the outputs remain the same? I know in...

Asked on 11/26/2020 by m-sh-shokouhi

0 answer

Decimation FFT Result

In my Signal Processing class we just learned decimation however after messing around in Matlab trying an example of decimation, I just can't understand what's happening....

Asked on 11/13/2020 by HelpMeBro

1 answer

Why does fine CFO cause rotation of the constellation?

Just thinking about it, why does fine CFO cause rotation only? I only see diagrams that show rotation of the constellation. ...

Asked on 11/07/2020 by Lewis Kelsey

1 answer

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