User Lorem Ipsum

161 votes

Accepted

Why is the Fourier transform so important?

answered Aug 19, 2011 at 7:50

52 votes

What is the physical significance of negative frequencies?

answered Oct 15, 2011 at 23:26

37 votes

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What's the difference between the Hough and Radon transforms?

answered Oct 21, 2011 at 16:48

33 votes

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What is meant by "stochastic sampling"?

answered Aug 20, 2011 at 2:17

28 votes

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What should be considered when selecting a windowing function when smoothing a time series?

answered Sep 12, 2011 at 23:44

21 votes

What are good ways to detect signal clipping in a recording?

answered Aug 18, 2011 at 20:51

19 votes

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Are there alternatives to the bilinear transform?

answered Aug 26, 2011 at 3:24

17 votes

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Why is $y(n) = x(n) + x(n-1)$ a low pass filter?

answered Dec 22, 2011 at 16:11

16 votes

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What are the practically relevant differences between various image resampling methods?

answered Nov 25, 2011 at 20:48

16 votes

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What are the proper pre-processing steps to perform Independent Component Analysis?

answered Aug 23, 2011 at 7:45

15 votes

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How do I add AWGN to an I and Q representation of a signal?

answered Aug 18, 2011 at 14:21

13 votes

Detecting Trail in Forest Images

answered Oct 19, 2011 at 17:50

12 votes

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Why does my stop-band filter attenuate other frequencies?

answered May 5, 2012 at 21:18

12 votes

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How do I detect distinct objects when their edges touch each other?

answered Dec 5, 2011 at 20:23

10 votes

Detection of a Circle in Noisy Image Data

answered Nov 7, 2012 at 0:05

10 votes

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What is the difference between Remez exchange and Parks-McClellan filter design?

answered Sep 13, 2011 at 22:30

9 votes

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Detecting a fixed template image out of a semi-constant frame of video

answered Jan 7, 2012 at 5:50

9 votes

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Detecting Arabic verses spanning multiple lines

answered Apr 14, 2012 at 17:12

8 votes

How can one improve the robustness of adaptive beamformers to signal mismatches?

answered Sep 22, 2011 at 19:31

7 votes

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How do I find a system's impulse response from its state-space repersentation using the state transition matrix?

answered Aug 30, 2011 at 20:11

7 votes

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What are the advantages, if any, of derivative sampling?

answered Sep 5, 2011 at 4:03

6 votes

Can ICA be applied, when the number of mixture signal is less than number of source signal?

answered Sep 7, 2011 at 4:55

6 votes

What is the relation between the PSDs of filter input and output called? $R_Y = |H|^2R_X$

answered Sep 20, 2011 at 18:31

6 votes

What is the most lucid, intuitive explanation for the various FTs - CFT, DFT, DTFT and the Fourier Series?

answered Nov 14, 2011 at 20:42

5 votes

Accepted

Why are there comb-like hills in a periodogram?

answered Nov 26, 2011 at 4:14

5 votes

Is Ideal LPF BIBO unstable?

answered Dec 26, 2011 at 16:32

5 votes

Calculating the PDF of a waveform from its samples

answered Sep 10, 2011 at 0:45

3 votes

What are the advantages, if any, of derivative sampling?

answered Aug 27, 2011 at 0:47

2 votes

Is it numerically more stable to implement filtering as multiplication or convolution?

answered Nov 7, 2011 at 2:02

Stack Exchange Network

29 Answers

Why is the Fourier transform so important?

What is the physical significance of negative frequencies?

What's the difference between the Hough and Radon transforms?

What is meant by "stochastic sampling"?

What should be considered when selecting a windowing function when smoothing a time series?

What are good ways to detect signal clipping in a recording?

Are there alternatives to the bilinear transform?

Why is $y(n) = x(n) + x(n-1)$ a low pass filter?

What are the practically relevant differences between various image resampling methods?

What are the proper pre-processing steps to perform Independent Component Analysis?

How do I add AWGN to an I and Q representation of a signal?

Detecting Trail in Forest Images

Why does my stop-band filter attenuate other frequencies?

How do I detect distinct objects when their edges touch each other?

Detection of a Circle in Noisy Image Data

What is the difference between Remez exchange and Parks-McClellan filter design?

Detecting a fixed template image out of a semi-constant frame of video

Detecting Arabic verses spanning multiple lines

How can one improve the robustness of adaptive beamformers to signal mismatches?

How do I find a system's impulse response from its state-space repersentation using the state transition matrix?

What are the advantages, if any, of derivative sampling?

Can ICA be applied, when the number of mixture signal is less than number of source signal?

What is the relation between the PSDs of filter input and output called? $R_Y = |H|^2R_X$

What is the most lucid, intuitive explanation for the various FTs - CFT, DFT, DTFT and the Fourier Series?

Why are there comb-like hills in a periodogram?

Is Ideal LPF BIBO unstable?

Calculating the PDF of a waveform from its samples

What are the advantages, if any, of derivative sampling?

Is it numerically more stable to implement filtering as multiplication or convolution?