Hottest Questions This Week

1

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2

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82

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Digital low pass filter vs continuous low pass filter,?

answered yesterday DSP Rookie 2,367

1

vote

1

answer

61

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Discrete-time Fourier transform of $\frac{\cos(\frac{n\pi} 6)}{(n+3)\pi}$

discrete-signals fourier-transform homework cosine sinc

modified May 29 at 18:38 Matt L. 61.2k

2

votes

1

answer

47

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modified May 27 at 21:35 Dan Boschen 18.5k

1

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1

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65

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Wiener Khinchin theorem : struggle in the derivation

power-spectral-density

modified May 28 at 15:13 Joe Mac 306

3

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2

answers

38

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filters noise covariance

answered May 27 at 12:45 Dsp guy sam 2,109

0

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2

answers

34

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Fixed Point Design Resources

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modified 2 days ago TimWescott 1,830

0

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1

answer

67

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Question about eigendecomposition, signal subspace and their properties

signal-analysis array-signal-processing eigendecomposition

modified May 29 at 19:03 Joe Mac 306

0

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1

answer

40

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Taking inverse Fourier transform in column-wise and solve it in row-wise

dft matrix

modified May 27 at 10:42 Marcus Müller 16k

-1

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1

answer

39

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What helped you in reading and implementing papers and coming up with original ideas in computer vision/graphics?

computer-vision soft-question computer-graphics research

answered May 27 at 0:32 Laurent Duval 21.8k

1

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1

answer

39

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Discrete signal vs digital signal?

discrete-signals digital

modified May 28 at 21:29 Laurent Duval 21.8k

1

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1

answer

37

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How $\Delta f=\frac{1}{2T}$ satifies the orthogonality condition?

digital-communications orthogonal-signals sinc

modified 16 hours ago oliver 204

0

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1

answer

47

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Prove the following DFT for a periodic sinc sequence or ideal lowpass filter

dft lowpass-filter

modified 2 days ago Cedron Dawg 5,308

0

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1

answer

36

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changing angular data to remove the sharp changes

matlab

modified May 29 at 7:00 Knut Inge 472

0

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0

answers

56

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Blind Estimation of Signal Parameters for Zero mean Normal distribution

gaussian maximum-likelihood-estimation

modified yesterday Andrew Smith 1

1

vote

1

answer

43

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Why can we have non-integer frequency bins in FFT?

fft fourier-transform dft

modified 22 hours ago robert bristow-johnson 13.3k

0

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0

answers

55

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Reconstruct signal from imprecise sampling?

image-processing

modified May 27 at 16:08 George Georgovassilis 1

-1

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1

answer

53

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Preamble length in the communication system

digital-communications

answered 18 hours ago Marcus Müller 16k

0

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1

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30

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Guassian Derivatives with orientations

computer-vision

modified May 29 at 11:48 Olli Niemitalo 10.7k

2

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1

answer

30

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denoising floor function

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modified May 29 at 8:48 Laurent Duval 21.8k

1

vote

1

answer

37

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why there is no 0 on the right side? (matlab, low pass filter)

matlab filters discrete-signals digital-filters frequency-filters

modified May 27 at 10:09 DSP Rookie 2,367

-2

votes

1

answer

37

views

Confusion regarding DFT calculation?

fourier-transform dft

answered May 27 at 8:35 Matt L. 61.2k

1

vote

1

answer

31

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Justification for Squared $ {L}_{2} $ Data and Smoothness Term as an Error Bound

image-processing estimation convex-optimization variational-methods

modified May 28 at 5:23 Royi 13.2k

1

vote

1

answer

39

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Finding the system output by convolution

convolution linear-systems laplace-transform math differential-equation

modified 2 days ago Matt L. 61.2k

0

votes

1

answer

23

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Is Differentiation as a system, is an invertible system?

linear-systems inverse-problem inverse

modified May 26 at 17:07 DSP Rookie 2,367

0

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1

answer

36

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Pitch shifting with bins creating large feedback

matlab fft fourier-transform frequency-spectrum python

modified May 27 at 4:13 niallmandal 1

0

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2

answers

35

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What does it mean to rotate an image by 0.1 degrees?

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answered May 27 at 14:19 Olli Niemitalo 10.7k

0

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1

answer

35

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Trouble showing Time Invariance of recursive system

discrete-signals linear-systems infinite-impulse-response proof

answered 2 days ago Matt L. 61.2k

0

votes

0

answers

35

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Why does the frequency in fft plot of the baseband modulated signal isn't changing at the receiver

matlab fft frequency-spectrum filter-design modulation

modified 9 hours ago Pradyoth Shandilya 165

2

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0

answers

34

views

Friendliest python library for fixed point algorithm simulation

python fixed-point

asked 2 days ago rhz 199

0

votes

1

answer

25

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Remove a signal that is known to repeat every 4 samples at a known phase i.e. exactly 500 Hz signal in 2000 Hz data

filters digital-filters

modified May 28 at 7:07 Crog 105

0

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1

answer

25

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Image Processing [closed]

image-processing matlab convolution image blur

answered May 26 at 18:05 Laurent Duval 21.8k

0

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2

answers

32

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Conceptually confused by LPC for speech: Do we synthesize by the inverse filter (FIR)?

audio speech-processing audio-processing lpc speech-synthesis

modified May 30 at 0:37 Filipe Pinto 453

0

votes

2

answers

32

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maximum output of a LTI system within linear limits

linear-systems stability

answered 2 days ago Hilmar 14.4k

0

votes

1

answer

32

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Fourier transform of unit step

fourier-transform frequency-response laplace-transform

modified 20 hours ago Matt L. 61.2k

0

votes

1

answer

19

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Combiner vs mixer vs coupler?

digital-communications terminology communication-standard

modified 15 hours ago Dan Boschen 18.5k

0

votes

1

answer

28

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Phase difference calculation between two wave files

signal-analysis audio phase short-time-ft

modified May 28 at 13:33 dsp_user 700

1

vote

0

answers

27

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symbol synchronization

digital-communications demodulation pll symbol-timing

modified May 29 at 13:07 Cindy 11

0

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0

answers

25

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How can I detect the presence of echo in an audio?

audio audio-processing

asked May 26 at 17:27 SuperKogito 101

0

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0

answers

25

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Build a filter such that its periodized version equals to x on signals with period m

filters norm

modified yesterday Marcus Müller 16k

0

votes

1

answer

18

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How mic setting will affect audio classification model?

matlab filters signal-analysis downsampling classification

answered yesterday Marcus Müller 16k

0

votes

1

answer

23

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Phase difference between two wave files [closed]

signal-analysis phase audio-processing

modified May 28 at 4:02 lennon310 3,377

0

votes

0

answers

23

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Control of a nonlinear static MIMO System

control-systems mimo control

modified May 26 at 14:55 Marcus Müller 16k

0

votes

1

answer

23

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How to choose pilot symbols count in OFDM?

ofdm

modified May 26 at 13:37 auspicious99 195

0

votes

0

answers

23

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Eliminate small measurement error

noise

asked May 28 at 13:31 user50703 1

1

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1

answer

23

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how to determine a length of a channel? ( given path, delay)

digital-communications ofdm mimo channel

answered May 28 at 15:28 Marcus Müller 16k

0

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1

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23

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GPS timing and computational complexity

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modified yesterday Cindy 1

0

votes

1

answer

23

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Complex Data type not accepted in Simulink

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answered 14 hours ago Ben 1,987

0

votes

1

answer

23

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Offset in Carrier and Timing

digital-communications

modified 30 mins ago Dan Boschen 18.5k

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