Signal Processing

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Awarded 630 times.
Is an image a random variable or a random process?
Awarded May 21 at 10:01
When are two signals orthogonal?
Awarded May 10 at 11:56
could anybody explains me why IIR filters do not have linear phase?
Awarded May 6 at 10:06
what does “derivative” means in image processing?
Awarded May 6 at 3:03
From a physics perspective, why does D/A quantization error result in a noise floor?
Awarded Apr 29 at 22:33
What is the true meaning of a minimum phase system?
Awarded Apr 28 at 14:56
What is the difference between phase noise and frequency noise?
Awarded Apr 24 at 15:50
Digital Distortion effect algorithm
Awarded Apr 22 at 15:43
Why eigen values and poles of a system are equivalent?
Awarded Apr 17 at 18:43
Power spectral density vs. FFT bin magnitude
Awarded Apr 15 at 14:35
What is the difference between Lumped and Distributed systems?
Awarded Apr 8 at 21:25
What is the difference between cubic interpolation and cubic “Spline” interpolation?. How to use it for upsampling purpose?
Awarded Apr 7 at 9:25
What's the difference between the Gabor and Morlet wavelets?
Awarded Apr 2 at 9:00
How do I get the most accurate camera calibration?
Awarded Mar 29 at 15:30
Using continuous verses discrete wavelet transform in digital applications
Awarded Mar 23 at 10:20
Is the Laplace transform a special case of Fourier transform? (Not the other way around)
Awarded Mar 16 at 20:50
Meaning of the Transpose of Convolution
Awarded Mar 14 at 12:25
Degraded image: Wiener Filter vs Wiener deconvolution
Awarded Mar 11 at 21:55
How to deal with low fundamental when using AMDF for pitch extraction?
Awarded Mar 11 at 5:15
What is a frequency bin?
Awarded Mar 3 at 21:20
Fast Fourier transform- non-integer number of cycles in the FFT aperture
Awarded Feb 22 at 5:30
How can I generate a sine wave with time varying frequency that is continuous, in C?
Awarded Feb 13 at 17:30
What is the Fourier Transform of a constant signal?
Awarded Feb 12 at 10:40
Who first understood the importance of poles?
Awarded Feb 9 at 4:50
Energy calculation in frequency domain
Awarded Feb 5 at 10:55
What is the definition of a “complementary filter”?
Awarded Jan 31 at 16:00
What is a frequency bin?
Awarded Jan 30 at 23:40
Upsample data using FFTs. How is this exactly done?
Awarded Jan 20 at 21:00
A question about sampling rate of cosine signal
Awarded Jan 18 at 19:05
Why are anticausal systems even defined?
Awarded Jan 18 at 9:35
Why do we integrate the modulating function in FM?
Awarded Jan 15 at 22:05
Relation between signal processing and control systems engineering?
Awarded Jan 15 at 12:40
Is a notch filter for 50 Hz without delay possible?
Awarded Jan 8 at 23:10
What is the most lucid, intuitive explanation for the various FTs - CFT, DFT, DTFT and the Fourier Series?
Awarded Jan 5 at 4:35
what is proper setting for Fb,Fc in Complex morlet wavelet (cmor)?
Awarded Dec 19 '19 at 19:40
What is the difference between phase delay and group delay?
Awarded Dec 17 '19 at 11:10
Fourier transform is an isomorphism…but we don’t get when each frequency appears?
Awarded Dec 12 '19 at 17:55
Why is there no FPU on (most) DSP chips?
Awarded Dec 12 '19 at 17:45
Help with equations for exponential ADSR envelope
Awarded Dec 9 '19 at 21:40
How/why are the $\mathcal Z$-transform and unit delays related?
Awarded Dec 4 '19 at 7:10
What is spectral entropy?
Awarded Dec 2 '19 at 19:25
What Is the Best First Order IIR (AR Filter) Approximation to a Moving Average Filter (FIR Filter)?
Awarded Nov 25 '19 at 15:15
What are the units of the product of two signals?
Awarded Nov 22 '19 at 22:40
Number of taps needed in an FIR filter to remove DC
Awarded Nov 21 '19 at 10:20
Is there an algorithm to compute the phase for a single frequecy?
Awarded Nov 20 '19 at 9:20
Can someone help explain what this FFT workflow is doing to my signal, and why it works?
Awarded Nov 17 '19 at 18:05
Algorithm to pan audio
Awarded Nov 14 '19 at 15:25
How do impulse response guitar amp simulators work?
Awarded Nov 13 '19 at 18:45
Are all LTI systems invertible? If not, what is a good counterexample?
Awarded Nov 11 '19 at 22:10
Frequency shifting of a quadrature mixed signal
Awarded Oct 25 '19 at 0:00
How can a signal be both periodic and random?
Awarded Oct 18 '19 at 22:35
Python's $\tt resample$ vs $\tt resample\_poly$ vs $\tt decimate$
Awarded Oct 11 '19 at 14:25
Converting frequency from $\textrm{Hz}$ to radians-per-sample
Awarded Sep 2 '19 at 11:30
Fixed point multiplication with negative numbers
Awarded Aug 31 '19 at 13:40
Is there any practical application for performing a double Fourier transform? …or an inverse Fourier transform on a time-domain input?
Awarded Aug 24 '19 at 16:25
Is there any practical application for performing a double Fourier transform? …or an inverse Fourier transform on a time-domain input?
Awarded Aug 23 '19 at 21:35
Is there any practical application for performing a double Fourier transform? …or an inverse Fourier transform on a time-domain input?
Awarded Aug 22 '19 at 18:30
Fourier transform 4 times = original function (from Bracewell book)
Awarded Aug 22 '19 at 7:25
What are the statistics of the discrete Fourier transform of white Gaussian noise?
Awarded Aug 19 '19 at 21:55
What is the Gabor filter? And what are its main uses?
Awarded Aug 18 '19 at 9:00
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