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lxop's user avatar
lxop's user avatar
lxop
  • Member for 12 years
  • Last seen more than a month ago
  • Christchurch, New Zealand
13 votes

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

12 votes
Accepted

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

12 votes

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

8 votes

Q number format vs IEEE 754 format?

7 votes
Accepted

What do I do with the result of an FFT?

6 votes
Accepted

Cross correlate a 2D array

6 votes
Accepted

FFT amplitude or magnitude

5 votes
Accepted

Phase Locked Loop Basics

5 votes

FFT for real signals

4 votes
Accepted

Windowing a time domain OFDM signal

4 votes

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

4 votes

Understanding Convolution

3 votes

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

3 votes

Finding the dominant tone in a signal

3 votes
Accepted

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

2 votes
Accepted

Approximation using a Fourier transform with low pass filter

2 votes

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

2 votes

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

1 vote

advantage of using impulse response function for LTI systems?

1 vote

Adding a voice echo

1 vote

Relation between Normal Phase Shift of a wave and Phase Modulation

1 vote

Radon Transform reducing the number of parallel beams (MATLAB)

1 vote
Accepted

Expected value of a Delta function times a function

1 vote
Accepted

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

1 vote

Random signal power spectrum

0 votes
Accepted

Finding Frequency Differences In Differing Amplitude Signals

0 votes

Calculating similarity between two signal plots

0 votes
Accepted

Calculate Horizontal Pixel Shift for Super Resolution