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Pier-Yves Lessard

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8

votes

5

answers

1k

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Fast & accurate convolution algorithm (like FFT) for high dynamic range?

fft convolution algorithms fourier fast-convolution

May 5 '20 at 13:54 oli 165

6

votes

2

answers

447

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$|X(e^{jω})|^2$ - Power or Energy Density?

power-spectral-density dtft

Nov 8 '17 at 6:41 robert bristow-johnson 14.9k

3

votes

0

answers

192

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Reconstruct signal from its Spectrogram only

spectrogram short-time-ft time-frequency reconstruction

Mar 23 '18 at 1:07 ZHUANG 139

3

votes

1

answer

592

views

Instantaneous Frequency Estimation by Hilbert Transform - Theoretical Justification and Proof

frequency time-frequency hilbert-transform

Aug 17 '18 at 21:00 Community♦ 1

3

votes

4

answers

4k

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On the meaning of s-plane and it's link to a transfer function

laplace-transform complex

Apr 23 '18 at 2:25 Community♦ 1

2

votes

1

answer

330

views

Can't make sense from VHDL butterworth filter implementation

butterworth hardware-implementation

Jan 19 '17 at 6:45 Stephen Rauch 302

1

vote

0

answers

161

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Feature recognition within a single song

fft audio time-frequency pattern fingerprint-recognition

Jan 30 '17 at 8:09 h_uat 11

1

vote

1

answer

438

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FFT - preferred way of tone detection

fft frequency-spectrum

May 20 '18 at 15:08 hotpaw2 31.9k

1

vote

3

answers

227

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Efficient frequency determination

fft fourier-transform frequency-spectrum

Jul 12 '18 at 19:45 lennon310 3,420

0

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1

answer

53

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What should be the singal duration in time doamin to correctly measure its frequency using FFT

signal-analysis signal-detection

Apr 20 '17 at 7:44 hotpaw2 31.9k

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