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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
3 answers
95 views

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

robert bristow-johnson
  • 18.1k
1 vote
1 answer
41 views

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

robert bristow-johnson
  • 18.1k
0 votes
2 answers
20 views

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

jojek♦
  • 10.8k
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
0 votes
0 answers
10 views

Inverse Z Transform to Partial Fraction Expansion

HaRLoFei
  • 101
3 votes
0 answers
200 views

A problem about SQNR, PCM, DPCM, and DM

Marcus Müller
  • 28k
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
36 views

Poor Attenuation With High Pass Filter

Hilmar
  • 37.8k
0 votes
0 answers
21 views

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

Wei-Cheng Liu
  • 43
3 votes
2 answers
7k views

FIR butterworth also possible or just IIR?

Matt L.
  • 84.3k
0 votes
2 answers
52 views

Propagation channel model for 5G/6G commmunication

CommunityBot
  • 1
0 votes
0 answers
17 views

Ambiguity function information

cooldanietje
  • 1
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
40 views

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

Peter K.♦
  • 23.9k
0 votes
0 answers
250 views

Is the beamforming result described by this matlab code useful?

hyrt
  • 1
0 votes
1 answer
62 views

Notch Digital Filter

typetetris
  • 111
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
27 views

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

Dilip Sarwate
  • 19.4k
3 votes
0 answers
37 views

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

Yaroslav Bulatov
  • 211
0 votes
1 answer
48 views

The benefit of Eigendecomposition of DCT and DST

robert bristow-johnson
  • 18.1k
0 votes
0 answers
21 views

Periodic peaks in power spectrum

doubleE
  • 273
2 votes
1 answer
72 views

Correct Windowing Effect at Amplitude Scale

John L
  • 21
0 votes
1 answer
42 views

How to calculate to power of a uniformly distributed noise?

MBaz
  • 14.4k
0 votes
1 answer
47 views

Convolution of two functions using FFTW

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

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

OverLordGoldDragon
  • 7,283
8 votes
4 answers
10k views

The difference between DFT and DFS

mins
  • 171
0 votes
0 answers
35 views

Frequency Shift Keying

Gotz2bril
  • 1
0 votes
0 answers
27 views

Linear Linearly Time Varying Systems properties?

Volpina
  • 29
0 votes
1 answer
80 views

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

Dan Boschen
  • 43.4k
0 votes
1 answer
90 views

Overlap and Add/Save Inverse Short-Time Fourier transform

CommunityBot
  • 1
1 vote
2 answers
82 views

Scenarios where Phase Response is (non-)problematic

Hilmar
  • 37.8k
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
2 answers
4k views

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

نبض الحياة
  • 1
0 votes
0 answers
13 views

Tapped Delay Line(TDL) model in 5GNR

ChengDeng
  • 1
0 votes
0 answers
28 views

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

JJJJeb
  • 1
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
2 votes
3 answers
114 views

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

Laurent Duval
  • 31.1k
0 votes
1 answer
89 views

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

CommunityBot
  • 1
1 vote
1 answer
34 views

recreating nyquist regions using FFT python

MBaz
  • 14.4k
1 vote
1 answer
22 views

Dynamic Range Scaling for Delta Sigma Modulation

Dan Boschen
  • 43.4k
2 votes
1 answer
95 views
+50

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

cppcoder
  • 73
2 votes
1 answer
76 views

Scipy and Matlab Spectrogram not matching

Jdip
  • 3,455
5 votes
3 answers
20k views

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

Metralyon
  • 1
3 votes
0 answers
125 views

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

srhslvmn
  • 131

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