Signal Processing

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Awarded 682 times.
What Is the Difference between Difference of Gaussian, Laplace of Gaussian, and Mexican Hat Wavelet?
Awarded 2 days ago
Can the Walsh Hadamard transform be computed for non power of 2 sizes?
Awarded Jan 23 at 3:27
When to consider double (64 bit) floating point for Audio
Awarded Jan 18 at 10:34
the relationship between bandwidth and the datarate
Awarded Jan 17 at 12:36
Which Noise Reduction Algorithms Are Used in Commercial RAW Image Processors?
Awarded Jan 15 at 13:08
Weird behaviour converting velocity to displacement
Awarded Jan 15 at 8:35
Fastest implementation of fft in C++?
Awarded Jan 11 at 5:56
3dB-Cut off frequency of moving average
Awarded Jan 3 at 5:42
How to build a phase shifter with arbitrary phase shift
Awarded Dec 24 '20 at 18:05
Why root raised cosine filter can eliminate intersymbol interference (ISI) ?
Awarded Dec 20 '20 at 2:07
What happens when N increases in N-point DFT
Awarded Dec 19 '20 at 12:32
How to create a distortion compensation filter
Awarded Dec 19 '20 at 8:05
How to build a program that gives you on the fly the chords of the song while listening to it?
Awarded Dec 18 '20 at 15:57
Why should I zero-pad a signal before taking the Fourier transform?
Awarded Dec 17 '20 at 13:11
Position of poles and Stability in $z$ domain
Awarded Dec 15 '20 at 17:19
Why do we need DFT when we already have DTFT?
Awarded Dec 15 '20 at 17:07
Why do we need DFT when we already have DTFT?
Awarded Dec 14 '20 at 13:50
Scale and Rotation invariant feature descriptors
Awarded Dec 12 '20 at 7:12
How can I upsample 22 kHz speech audio recording to 44 kHz, maybe using AI?
Awarded Dec 9 '20 at 10:26
How replicas are formed in Frequency domain when a signal is sampled in Time Domain?
Awarded Dec 9 '20 at 7:33
Are complex exponentials the only eigenfunctions of LTI systems?
Awarded Nov 18 '20 at 13:12
How to learn MUSIC algorithm?
Awarded Nov 11 '20 at 16:20
Applying DFT twice does not actually reverse an array. Instead, the first element stays in place while the rest of the array is reversed. Why?
Awarded Nov 9 '20 at 12:04
Can FFT convolution be faster than direct convolution for signals of large sizes?
Awarded Nov 6 '20 at 18:41
Zero Padding of FFT
Awarded Oct 22 '20 at 9:25
Signal Acquisition in Compressed Sensing
Awarded Oct 22 '20 at 9:25
When to consider double (64 bit) floating point for Audio
Awarded Oct 19 '20 at 20:30
Image processing and the Fourier Transform
Awarded Oct 17 '20 at 15:06
Why can so little digital information be stored on a cassette tape?
Awarded Oct 5 '20 at 22:18
How do real-time convolution plugins process audio so quickly
Awarded Oct 4 '20 at 17:56
How can I design Nyquist interpolation filters with the Parks-McClellan algorithm?
Awarded Oct 2 '20 at 14:03
Quantization SNR of sine wave doesn't match 1.761 + 6.02 * Q
Awarded Oct 2 '20 at 13:57
FFT with asymmetric windowing?
Awarded Sep 30 '20 at 3:50
How does the quantization error generate noise?
Awarded Sep 28 '20 at 1:05
Conjugation in Fourier Transform
Awarded Sep 25 '20 at 19:52
Compensating Loudspeaker frequency response in an audio signal
Awarded Sep 21 '20 at 18:56
Examples of Independent and uncorrelated data in real-life, and ways to measure/detect them
Awarded Sep 12 '20 at 13:25
kernels to compute second order derivative of digital image
Awarded Sep 9 '20 at 9:05
Why are magnitudes normalised during synthesis (IDFT), not analysis (DFT)?
Awarded Sep 3 '20 at 22:06
How to calculate Signal-To-Noise Ratio
Awarded Aug 30 '20 at 3:15
Is there any practical application for performing a double Fourier transform? …or an inverse Fourier transform on a time-domain input?
Awarded Aug 6 '20 at 23:21
Scipy - Audio Processing
Awarded Jul 27 '20 at 21:06
How were windows originally conceived?
Awarded Jul 21 '20 at 19:32
Single-pole IIR low-pass filter - which is the correct formula for the decay coefficient?
Awarded Jul 8 '20 at 19:35
What is the first derivative of Dirac delta function?
Awarded Jul 3 '20 at 6:47
What is the first derivative of Dirac delta function?
Awarded Jul 2 '20 at 16:09
Are there any real world applications for complex-valued signals or impulse responses?
Awarded Jun 27 '20 at 1:57
Why does the separable filter reduce the cost of computing the operator?
Awarded Jun 12 '20 at 9:47
What is a good example of an ergodic process?
Awarded Jun 12 '20 at 9:47
Exponential moving average cut-off frequency
Awarded Jun 9 '20 at 17:35
How to detect “fast” changes in signal processing
Awarded Jun 6 '20 at 20:31
Meaning of Hilbert Transform
Awarded Jun 4 '20 at 17:00
Is an image a random variable or a random process?
Awarded May 21 '20 at 10:01
When are two signals orthogonal?
Awarded May 10 '20 at 11:56
could anybody explains me why IIR filters do not have linear phase?
Awarded May 6 '20 at 10:06
what does “derivative” means in image processing?
Awarded May 6 '20 at 3:03
From a physics perspective, why does D/A quantization error result in a noise floor?
Awarded Apr 29 '20 at 22:33
What is the true meaning of a minimum phase system?
Awarded Apr 28 '20 at 14:56
What is the difference between phase noise and frequency noise?
Awarded Apr 24 '20 at 15:50
Digital Distortion effect algorithm
Awarded Apr 22 '20 at 15:43
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