Signal Processing Stack Exchange is a question and answer site for practitioners of the art and science of signal, image and video processing. It only takes a minute to sign up.

Sign up to join this community
Anybody can ask a question
Anybody can answer
The best answers are voted up and rise to the top
Signal Processing

Top Questions

Ask Question
Active 1 Bountied Hot Week Month
0 votes
2 answers
20 views

DCT - Measures of energy compaction gain achieved using DCT over FFT

jojek♦
  • 10.8k
1 vote
1 answer
41 views

How do `n_fft` and `win_length` determine the window in spectrogram?

robert bristow-johnson
  • 18.1k
14 votes
3 answers
2k views

How can I build something, like actual implementations of all these things I am learning in signal processing?

TimWescott
  • 11.2k
2 votes
1 answer
42 views

How do noise-canceling headphones cancel out white noise, which is unpredictable in nature?

Hilmar
  • 37.8k
0 votes
0 answers
15 views

Initial conditions of backward filter for forward-backward filtering on chunked real data in python

GWSurfer
  • 31
0 votes
1 answer
35 views

Poor Attenuation With High Pass Filter

Hilmar
  • 37.8k
1 vote
1 answer
58 views

Does the Kramer-Kronig relations apply to this example $f(t) =\left(1-t^2\right)^4\cdot\theta(1-t^2)$?

Matt L.
  • 84.3k
0 votes
0 answers
21 views

I lose 150 points. Can the system return it back to me? [migrated]

Wei-Cheng Liu
  • 43
0 votes
1 answer
44 views

How to calculate signal to noise ratio (SNR) from a list (sequence) of amplitude?

MBaz
  • 14.4k
0 votes
0 answers
17 views

Ambiguity function information

cooldanietje
  • 1
0 votes
0 answers
39 views

Transfer function $h(t)$ of a positive feedback system

Peter K.♦
  • 23.9k
0 votes
1 answer
48 views

The benefit of Eigendecomposition of DCT and DST

robert bristow-johnson
  • 18.1k
3 votes
0 answers
37 views

Inverting transformation $\displaystyle m(t)=\sum_{i=1}^d x(i)^t$

Yaroslav Bulatov
  • 211
0 votes
0 answers
19 views

Symbol timing synchronization with delay

Xiang Li
  • 1
-2 votes
1 answer
28 views

Matlab command "iztrans"only applicable for causal signals? [closed]

engr
  • 1,041
0 votes
1 answer
62 views

Notch Digital Filter

typetetris
  • 111
0 votes
1 answer
46 views

Convolution of two functions using FFTW

Peter K.♦
  • 23.9k
1 vote
2 answers
82 views

Scenarios where Phase Response is (non-)problematic

Hilmar
  • 37.8k
0 votes
0 answers
21 views

Periodic peaks in power spectrum

doubleE
  • 273
0 votes
1 answer
27 views

Using Reed-Solomon with hard decisions, how can I determine when the error-correction capability is exceeded

Dilip Sarwate
  • 19.4k
1 vote
2 answers
126 views

Why time invariant system in order to know any output for any input using the impulse response?

Laurent Duval
  • 31.1k
0 votes
1 answer
42 views

How to calculate to power of a uniformly distributed noise?

MBaz
  • 14.4k
0 votes
0 answers
35 views

Frequency Shift Keying

Gotz2bril
  • 1
0 votes
1 answer
36 views

Subsampling in frequency domain? Effect of sampling rate on spectrum?

OverLordGoldDragon
  • 7,283
3 votes
1 answer
160 views

What is the reason the Kronecker delta function is noted this way in DSP?

mins
  • 171
0 votes
1 answer
80 views

Can we find the RMS of a signal from its envelope?

Dan Boschen
  • 43.4k
2 votes
1 answer
71 views

Correct Windowing Effect at Amplitude Scale

John L
  • 21
0 votes
0 answers
27 views

Linear Linearly Time Varying Systems properties?

Volpina
  • 29
0 votes
0 answers
28 views

Remove over and undershoot from an output signal by manipulating the input

JJJJeb
  • 1
3 votes
1 answer
718 views

Is adding a mean point between every two points a valid way of upsampling?

Justme
  • 1,856
4 votes
0 answers
69 views

For which values of step size is LMS filter stable?

Yaroslav Bulatov
  • 211
0 votes
0 answers
20 views

Find The Minimal Observation Time

MBaz
  • 14.4k
1 vote
1 answer
34 views

recreating nyquist regions using FFT python

MBaz
  • 14.4k
2 votes
1 answer
75 views

Scipy and Matlab Spectrogram not matching

Jdip
  • 3,455
0 votes
0 answers
13 views

Tapped Delay Line(TDL) model in 5GNR

ChengDeng
  • 1
1 vote
1 answer
22 views

Dynamic Range Scaling for Delta Sigma Modulation

Dan Boschen
  • 43.4k
1 vote
1 answer
32 views

Why is inverse CWT inexact / inaccurate?

OverLordGoldDragon
  • 7,283
3 votes
1 answer
215 views

Integral of product of two shifted Dirac impulses

Matt L.
  • 84.3k
3 votes
0 answers
200 views

A problem about SQNR, PCM, DPCM, and DM

Marcus Müller
  • 28k
1 vote
1 answer
22 views

Basic audio denoising in the frequency domain using minimum statistics?

tayyarg
  • 31
0 votes
1 answer
18 views

Zeroing input frequencies to improve inverse CWT

OverLordGoldDragon
  • 7,283
1 vote
2 answers
53 views

Is the unit step function periodic?

JRE
  • 2,208
1 vote
1 answer
34 views

FFTs, Spectrograms, and Units

Jdip
  • 3,455
1 vote
1 answer
50 views

Deriving the difference equation of the filter

Jdip
  • 3,455
1 vote
1 answer
57 views

AES encryption of an audio file

JRE
  • 2,208
3 votes
2 answers
93 views

What's the difference between frequency shift, frequency offset, phase offset, and phase noise?

Dan Boschen
  • 43.4k
0 votes
0 answers
34 views

How to call a C coded function in MATLAB? [closed]

lennon310
  • 3,560
2 votes
1 answer
94 views
+50

Can DFT magnitude be used to identify repeating patterns in an Image?

cppcoder
  • 73

Looking for more? Browse the complete list of questions, or popular tags. Help us answer unanswered questions.

Your privacy

By clicking “Accept all cookies”, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy.