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Gilles

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Top tag

fft

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Impact

~140k
people reached
1,759 posts edited
148 helpful flags
1,417 votes cast
Summary Answers Questions Tags Badges Bookmarks Bounties Reputation All actions

152 Bookmarks

Votes Activity Newest Views Added
4
votes
1
answer
633
views

Digital filter coefficients from low-pass to high-pass

filters discrete-signals filter-design transfer-function digital-filters
Aug 7 at 10:47 Matt L. 70k
2
votes
1
answer
2k
views

Correct way to add AWGN to a signal

matlab noise gaussian snr bandwidth
Oct 3 '17 at 9:03 AlexTP 5,160
3
votes
2
answers
85
views

DAC and ADC architecture in SDRs

sdr analog-to-digital digital-to-analog
Apr 29 at 10:28 Dan Boschen 22.3k
2
votes
1
answer
69
views

How to find the best Q format representation?

discrete-signals filtering
Apr 23 at 12:51 Hilmar 18.1k
1
vote
1
answer
148
views

Why is no phase information lost when a received signal goes through a mixer?

digital-communications quadrature
Jul 17 '17 at 21:52 MBaz 10.9k
6
votes
1
answer
1k
views

What happens if we change the limits of integral in Fourier transform?

fourier-transform
May 26 '16 at 8:27 Gilles 2,862
2
votes
1
answer
49
views

What will be the code for this following signal in MATLAB?

matlab continuous-signals
Jan 31 '18 at 20:18 jojek♦ 9,823
4
votes
3
answers
490
views

Calculating penalty to SNR for non-matched filter

digital-communications snr matched-filter
Jun 19 '17 at 21:29 Community♦ 1
12
votes
1
answer
860
views

Which transform most closely mimics the human auditory system?

fourier-transform frequency-spectrum wavelet music psychoacoustics
Mar 30 '17 at 18:14 Community♦ 1
4
votes
1
answer
281
views

Problems with implementation of a band-stop filter on an MCU (dsPIC) using fixed-point arithmetic

dsp-core bandpass digital-filters fixed-point
Jan 19 '17 at 21:29 Gilles 2,862
8
votes
2
answers
10k
views

What is a $BT$ (Bandwidth-Time) product with reference to modulation?

modulation gaussian bandwidth fsk
Apr 16 '18 at 19:52 Gilles 2,862
1
vote
1
answer
322
views

Applying a Liftering function to an audio signal

signal-analysis audio mfcc
Jan 3 '17 at 11:08 Community♦ 1
7
votes
2
answers
989
views

Coherent Sampling And The Distribution Of Quantization Noise

fourier-transform noise sampling dft
Jan 3 '17 at 16:50 Maximilian Matthé 5,762
11
votes
4
answers
2k
views

DFT - Removing window effect in spectral domain with convolution

fft frequency-spectrum dft convolution
Jan 17 '20 at 0:10 elena 151
2
votes
1
answer
449
views

A very basic question about processing high frequency signals

signal-analysis frequency
Dec 29 '16 at 15:27 MBaz 10.9k
3
votes
1
answer
353
views

Difference(relation?) between filter banks and wavelet decomposition

wavelet filter-bank decomposition
Dec 18 '16 at 13:02 Marcus Müller 19.9k
4
votes
1
answer
1k
views

Complex normal Gaussian noise

noise gaussian random
Dec 8 '16 at 11:08 Gilles 2,862
34
votes
6
answers
59k
views

Understanding the Matched Filter

filters digital-communications matched-filter
Oct 11 '18 at 23:07 ancha 1
2
votes
2
answers
165
views

Developing DSP software, am I 10 years too late?

project-ideas
Nov 15 '16 at 19:32 Omer 1
17
votes
6
answers
4k
views

Filter design by distributing poles and zeros on parametric curves

filter-design butterworth
May 19 '17 at 13:27 Olli Niemitalo 11.7k
2
votes
1
answer
538
views

Difference equations applied to DSP

linear-systems reference-request
Oct 29 '16 at 18:20 MBaz 10.9k
8
votes
2
answers
252
views

Does the inverse-CTFT exist for a dirac delta?

continuous-signals
Feb 23 '12 at 13:48 Hilmar 8,942
21
votes
2
answers
25k
views

Stationary vs non-stationary signals?

discrete-signals stationary
Jun 18 '18 at 13:28 rigsby 103
16
votes
2
answers
29k
views

How do I manually plot the frequency response of a bandpass Butterworth filter in MATLAB without freqz function?

matlab filters filter-design bandpass
Oct 15 '18 at 15:19 jojek♦ 9,823
17
votes
1
answer
22k
views

What is the phase and magnitude response of white noise?

fft noise python
Jun 18 '19 at 1:31 Peter K.♦ 18.9k
9
votes
3
answers
2k
views

Why does adding a time delayed version of a signal to itself create a filtered signal?

filters
Apr 30 '13 at 17:48 hotpaw2 31.4k
4
votes
1
answer
1k
views

How does this “simple filter” work?

filters infinite-impulse-response smoothing moving-average
Aug 24 '16 at 22:15 Gilles 2,862
4
votes
4
answers
2k
views

Negative result from filtering a positive signal with a band-pass filter

filters filter-design finite-impulse-response
Nov 1 at 15:35 Matt L. 70k
6
votes
2
answers
751
views

When modelling noise,how do they decide whether additive or multiplicative?

noise
Apr 21 '16 at 13:21 David 2,407
24
votes
3
answers
68k
views

Variance of White Gaussian Noise

noise power-spectral-density random-process
Jun 16 '18 at 19:08 Royi 16.3k
1
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