User lxop

13 votes

Can you represent an audio signal in any other domains besides time and frequency?

answered Apr 7, 2013 at 4:58

12 votes

Accepted

In image processing, what is the difference or relationship between noise and artifact?

answered Mar 11, 2013 at 22:48

12 votes

Why do we use window in time domain rather than do FFT modify the spectrum and than inverse FFT

answered Apr 29, 2013 at 22:09

8 votes

Q number format vs IEEE 754 format?

answered Mar 19, 2013 at 20:39

7 votes

Accepted

What do I do with the result of an FFT?

answered May 1, 2013 at 23:04

6 votes

Accepted

Cross correlate a 2D array

answered Dec 9, 2016 at 4:59

6 votes

Accepted

FFT amplitude or magnitude

answered Mar 21, 2013 at 20:14

5 votes

Accepted

Phase Locked Loop Basics

answered Mar 18, 2013 at 4:04

5 votes

FFT for real signals

answered Dec 20, 2016 at 22:15

4 votes

Accepted

Windowing a time domain OFDM signal

answered Apr 21, 2013 at 1:19

4 votes

If exponentials are eigenfunctions, where does the transient term come from?

answered Mar 19, 2013 at 20:29

4 votes

Understanding Convolution

answered Apr 1, 2013 at 3:50

3 votes

Where can we find noises like Gaussian, Rayleigh, Gamma, exponential noises in real world images?

answered Apr 3, 2013 at 20:30

3 votes

Finding the dominant tone in a signal

answered Apr 4, 2013 at 23:19

3 votes

Accepted

Is this a valid z-transform of $ \frac{1}{n^2}u[n] $?

answered Mar 24, 2013 at 21:04

2 votes

Accepted

Approximation using a Fourier transform with low pass filter

answered Mar 21, 2013 at 4:44

2 votes

Determining the mean of of a sampled signal (improvements to time averaging method)

answered Apr 29, 2013 at 2:24

2 votes

How to separate the upwards-propagating from the downwards-propagating waves?

answered Mar 24, 2013 at 6:02

1 vote

advantage of using impulse response function for LTI systems?

answered Dec 5, 2016 at 0:14

1 vote

Adding a voice echo

answered Feb 1, 2017 at 2:58

1 vote

Relation between Normal Phase Shift of a wave and Phase Modulation

answered Aug 13, 2017 at 16:34

1 vote

Radon Transform reducing the number of parallel beams (MATLAB)

answered Mar 11, 2013 at 1:47

1 vote

Accepted

Expected value of a Delta function times a function

answered Mar 18, 2013 at 21:50

1 vote

Accepted

How to know if the noise was removed in an image?

answered Mar 13, 2013 at 3:52

1 vote

Random signal power spectrum

answered Mar 22, 2013 at 1:50

0 votes

Accepted

Finding Frequency Differences In Differing Amplitude Signals

answered Mar 25, 2013 at 21:18

0 votes

Calculating similarity between two signal plots

answered Apr 17, 2013 at 21:16

0 votes

Accepted

Calculate Horizontal Pixel Shift for Super Resolution

answered Dec 13, 2016 at 1:31

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28 Answers

Can you represent an audio signal in any other domains besides time and frequency?

In image processing, what is the difference or relationship between noise and artifact?

Why do we use window in time domain rather than do FFT modify the spectrum and than inverse FFT

Q number format vs IEEE 754 format?

What do I do with the result of an FFT?

Cross correlate a 2D array

FFT amplitude or magnitude

Phase Locked Loop Basics

FFT for real signals

Windowing a time domain OFDM signal

If exponentials are eigenfunctions, where does the transient term come from?

Understanding Convolution

Where can we find noises like Gaussian, Rayleigh, Gamma, exponential noises in real world images?

Finding the dominant tone in a signal

Is this a valid z-transform of $ \frac{1}{n^2}u[n] $?

Approximation using a Fourier transform with low pass filter

Determining the mean of of a sampled signal (improvements to time averaging method)

How to separate the upwards-propagating from the downwards-propagating waves?

advantage of using impulse response function for LTI systems?

Adding a voice echo

Relation between Normal Phase Shift of a wave and Phase Modulation

Radon Transform reducing the number of parallel beams (MATLAB)

Expected value of a Delta function times a function

How to know if the noise was removed in an image?

Random signal power spectrum

Finding Frequency Differences In Differing Amplitude Signals

Calculating similarity between two signal plots

Calculate Horizontal Pixel Shift for Super Resolution