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

Top Questions

1 vote
1 answer
58 views

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

0 votes
3 answers
95 views

Confusion regarding MATLAB?Can't we represent continous time signals properly(fully and completely)?

1 vote
1 answer
41 views

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

0 votes
2 answers
20 views

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

14 votes
3 answers
2k views

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

0 votes
0 answers
10 views

Inverse Z Transform to Partial Fraction Expansion

3 votes
0 answers
200 views

A problem about SQNR, PCM, DPCM, and DM

2 votes
1 answer
42 views

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

0 votes
0 answers
15 views

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

0 votes
1 answer
36 views

Poor Attenuation With High Pass Filter

0 votes
0 answers
21 views

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

3 votes
2 answers
7k views

FIR butterworth also possible or just IIR?

0 votes
2 answers
52 views

Propagation channel model for 5G/6G commmunication

0 votes
0 answers
17 views

Ambiguity function information

0 votes
1 answer
44 views

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

0 votes
0 answers
40 views

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

0 votes
0 answers
250 views

Is the beamforming result described by this matlab code useful?

0 votes
1 answer
62 views

Notch Digital Filter

0 votes
0 answers
19 views

Symbol timing synchronization with delay

-2 votes
1 answer
28 views

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

0 votes
1 answer
27 views

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

3 votes
0 answers
37 views

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

0 votes
1 answer
48 views

The benefit of Eigendecomposition of DCT and DST

0 votes
0 answers
21 views

Periodic peaks in power spectrum

2 votes
1 answer
72 views

Correct Windowing Effect at Amplitude Scale

0 votes
1 answer
42 views

How to calculate to power of a uniformly distributed noise?

0 votes
1 answer
47 views

Convolution of two functions using FFTW

0 votes
1 answer
36 views

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

8 votes
4 answers
10k views

The difference between DFT and DFS

0 votes
0 answers
35 views

Frequency Shift Keying

0 votes
0 answers
27 views

Linear Linearly Time Varying Systems properties?

0 votes
1 answer
80 views

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

0 votes
1 answer
90 views

Overlap and Add/Save Inverse Short-Time Fourier transform

1 vote
2 answers
82 views

Scenarios where Phase Response is (non-)problematic

4 votes
0 answers
69 views

For which values of step size is LMS filter stable?

0 votes
0 answers
20 views

Find The Minimal Observation Time

1 vote
2 answers
4k views

Simple discrete time transformation $x[(n-1)^2]$

0 votes
0 answers
13 views

Tapped Delay Line(TDL) model in 5GNR

0 votes
0 answers
28 views

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

1 vote
2 answers
126 views

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

2 votes
3 answers
114 views

jpeg compression: necessity of dividing input image into 8x8 blocks

0 votes
1 answer
89 views

Frequency shift after signal passing through a band pass filter in Python

1 vote
1 answer
34 views

recreating nyquist regions using FFT python

1 vote
1 answer
22 views

Dynamic Range Scaling for Delta Sigma Modulation

2 votes
1 answer
95 views
+50

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

2 votes
1 answer
76 views

Scipy and Matlab Spectrogram not matching

5 votes
3 answers
20k views

Is the system $y(n)=x(n^2)$ time invariant?

3 votes
0 answers
125 views

Emergence - what constitutes a minimally coherent source that "just begins" to produce stationary interference patterns?


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