Hottest Questions This Week

5

votes

4

answers

701

views

Can every type of linear filter be modelled by a convolution?

modified yesterday Laurent Duval 18.7k

3

votes

2

answers

158

views

Is maximizing hamming distance the same as minimizing correlation?

cross-correlation matched-filter distance-metrics

answered 6 hours ago MBaz 9,640

5

votes

2

answers

53

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Why can adaptive IIR filters result in unstable solutions?

linear-systems infinite-impulse-response adaptive-filters stability

modified Oct 11 at 21:52 Hooman 226

2

votes

2

answers

38

views

Dominant Frequency Peak Decreases with Increasing Window Size

fft signal-analysis dft parameter-estimation

answered Oct 10 at 18:27 Royi 8,908

-1

votes

2

answers

42

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Derivation of Nyquist Frequency and Sampling Theorem

discrete-signals fourier-transform sampling nyquist theory

answered 2 days ago Royi 8,908

0

votes

1

answer

51

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How to smooth filter response?

filters filter-design

modified Oct 11 at 10:51 Matt L. 54.7k

2

votes

2

answers

71

views

Convolution of Signal with a Gaussian Filter / Kernel

filters convolution linear-systems

modified yesterday Royi 8,908

2

votes

2

answers

51

views

Why is a circular mask appropriate for Fourier filtering rectangular images?

fourier-transform

answered yesterday Laurent Duval 18.7k

0

votes

1

answer

63

views

Detect valve position without colors

image-processing opencv c++

answered Oct 10 at 14:52 zoulzubazz 48

2

votes

0

answers

61

views

How does shifting Product/Divide Block work? [migrated]

signal-analysis control-systems

modified Oct 11 at 14:03 Unknown123 135

1

vote

2

answers

36

views

Shift vector function in MATLAB

matlab convolution

modified yesterday Laurent Duval 18.7k

0

votes

1

answer

27

views

Are MATLAB function zp2tf() and tf2zp() are complementary or not?

matlab filters filter-design transfer-function poles-zeros

modified 18 hours ago Hilmar 12.4k

1

vote

1

answer

40

views

Discrete wavelet transform disadvantages

image-processing wavelet

modified yesterday A_A 7,959

0

votes

0

answers

50

views

Root MUSIC and solution of conjugate palindromic polynomials

radar

asked Oct 11 at 14:29 Mark Pedley 1

2

votes

1

answer

29

views

Linear phase FIR filter for impulse responses that don't appear symmetric

filters fir linear-phase

modified 8 hours ago Fat32 18.6k

0

votes

1

answer

45

views

Plotting curved peaks on PSD graph

fft power-spectral-density bandpass butterworth

modified Oct 11 at 12:34 Giz 1

0

votes

0

answers

44

views

Is there a better estimator with lower variance?

digital-communications estimation

modified 2 days ago Elnaz 141

0

votes

1

answer

34

views

Frequency domain Inversion of a signal

inverse

answered Oct 11 at 19:08 Hilmar 12.4k

-1

votes

1

answer

41

views

Non-physical peaks from the Fourier transform process

fft

answered Oct 8 at 14:24 hotpaw2 26.9k

0

votes

0

answers

40

views

Solving equation with convolution

fourier-transform convolution math inverse-problem

modified Oct 9 at 21:21 Matt L. 54.7k

0

votes

0

answers

39

views

I need to proof this equality [on hold]

integration derivative

asked Oct 10 at 17:49 Wender Lagoin 1

0

votes

1

answer

29

views

Which of these signals have same Nyquist rate as $x(t)$?

homework

answered 9 hours ago Fat32 18.6k

0

votes

1

answer

36

views

Recovering a signal after filtering

fft discrete-signals homework

answered yesterday Marcus Müller 13.2k

0

votes

1

answer

36

views

How to filter very low amplitude staircase signal from a background noise

filters filtering noise-cancellation

answered Oct 11 at 9:48 Matt L. 54.7k

1

vote

0

answers

36

views

Amplify a time domain signal and phase shift it by multiplying by a complex number

phase amplitude complex

modified 18 hours ago Natalie Johnson 76

0

votes

0

answers

34

views

First Order Butterworth filter has low frequency noise and only cuts off about 13db/decade

lowpass-filter butterworth java

asked Oct 9 at 14:35 Al G Johnston 1

0

votes

1

answer

26

views

Find the length of the impulse response of a Linear Phase Type 4 FIR filter

fir z-transform impulse-response poles-zeros finite-impulse-response

answered Oct 9 at 12:23 Axel Mancino 186

2

votes

1

answer

33

views

Initial Rest Condition for LCCDE causal LTI systems

signal-analysis continuous-signals linear-systems causality

answered Oct 10 at 22:39 Matt L. 54.7k

1

vote

0

answers

33

views

Does this system of equations have a solution?

digital-communications linear-algebra

modified 11 hours ago Elnaz 141

0

votes

0

answers

32

views

GNU Radio - General Filtering Questions - Any feedback is appreciated!

gnuradio

asked Oct 9 at 22:22 DasBoy 1

0

votes

2

answers

32

views

Passing a sampled signal through a filter

filters discrete-signals sampling nyquist

modified yesterday Fat32 18.6k

0

votes

1

answer

31

views

Zone Plate Reconstruction

image-processing filters sampling filtering

modified yesterday Robert 106

0

votes

0

answers

31

views

Measure How Much Pattern Is Present In Signal

noise cross-correlation snr pattern

asked Oct 8 at 8:44 Trismegistos 154

0

votes

1

answer

38

views

Is it possible the difference between OFDM-CP and OFDM-ZP about 10dB

matlab digital-communications ofdm

modified yesterday Gze 66

1

vote

1

answer

23

views

Find $X(j\omega)$ after sampling of $2\cos(2000\pi t)+\sin(5000\pi t)$ at 5 kHz sampling rate

discrete-signals sampling

modified 14 hours ago robert bristow-johnson 12.2k

0

votes

0

answers

29

views

Fourier Transform of finite time series

fourier-transform

modified Oct 10 at 13:37 Stanley Pawlukiewicz 7,549

1

vote

1

answer

29

views

Matlab - Bode plot of Lag Filter + Integrator

matlab continuous-signals bode discretization

modified 17 hours ago Ben 1,175

-1

votes

0

answers

27

views

Third order hold system [on hold]

z-transform

asked 2 days ago Alhasan 6

1

vote

0

answers

26

views

RSP1A sample rate vs if bandwidth

filters downsampling gnuradio sdr decimation

modified Oct 10 at 15:41 Hayfa 8

0

votes

1

answer

20

views

How to implement Matlab welch in python with the same result?

matlab python power-spectral-density scipy

modified 2 days ago Engineer 399

0

votes

1

answer

19

views

confusion about poles and zeros of Lead compensator?

control-systems control

answered Oct 10 at 19:16 Matt L. 54.7k

0

votes

1

answer

24

views

Feature Extraction of Insect Sounds

audio spectrogram stft mfcc machine-learning

answered yesterday johnwbyrd 266

0

votes

0

answers

23

views

Can anyone tell me about active cancellation techniques?

digital-communications

asked yesterday XM551 170

0

votes

0

answers

21

views

Underwater acoustic channel is giving me a flat BER vs SNR curve

matlab signal-analysis ofdm acoustics time-domain

asked Oct 10 at 2:00 sterstar 1

0

votes

0

answers

21

views

Solving the system response using inverse Laplace transform

control-systems laplace-transform inverse

asked 2 days ago PhilN 3

0

votes

2

answers

21

views

Plotting impulse functions on the same time axis with other functions in MATLAB

matlab

answered yesterday Fat32 18.6k

1

vote

0

answers

20

views

How to simulate Zoom, Pan, Tilt transformations?

image-processing transform

modified 15 hours ago A_A 7,959

0

votes

1

answer

20

views

Values of angular frequency of discrete-time sinusoidal signal

filters frequency-spectrum aliasing

answered Oct 10 at 21:10 Fat32 18.6k

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