Signal Processing

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Answer score of 10 or more. This badge can be awarded multiple times.
Awarded 602 times.
A question about sampling rate of cosine signal
Awarded yesterday
Why are anticausal systems even defined?
Awarded yesterday
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
“The Fourier transform cannot measure two phases at the same frequency.” Why not?
Awarded Aug 5 '19 at 11:55
Distribution of $e^{j\theta}$
Awarded Aug 4 '19 at 20:45
How do I explain a complex exponential intuitively?
Awarded Jul 29 '19 at 9:20
High quality reverb algorithm
Awarded Jun 20 '19 at 13:00
Bitmap alpha bevel algorithm?
Awarded Jun 18 '19 at 6:45
Converting raw I/Q to dB
Awarded Jun 17 '19 at 1:20
Transfer function of second order notch filter
Awarded Jun 13 '19 at 11:10
What is a good example of an ergodic process?
Awarded Jun 12 '19 at 11:25
Automatic Cropping of Arbitrary Shapes
Awarded Jun 6 '19 at 11:10
How to detect edges and rectangles
Awarded May 31 '19 at 4:30
Auto Detection of Rotation Angle on Arbitrary Image with Orthogonal Features
Awarded May 24 '19 at 23:35
What is the cut-off frequency of a moving average filter?
Awarded May 22 '19 at 12:20
Why doesn't sampling a periodic continuous-time signal yield a periodic discrete-time signal?
Awarded May 21 '19 at 21:20
How to distinguish voice from snoring?
Awarded May 14 '19 at 19:00
Multi-channel audio upsampling interpolation
Awarded May 8 '19 at 13:30
Removing values from FFT result same as filtering?
Awarded May 1 '19 at 23:45
Intuitive explanation of cross-correlation in frequency domain
Awarded Apr 29 '19 at 20:15
Difference between discrete time fourier transform and discrete fourier transform
Awarded Apr 29 '19 at 15:40
Filter Order Rule of Thumb
Awarded Apr 27 '19 at 16:45
What's the correct graphical interpretation of a series of MFCC vectors?
Awarded Apr 20 '19 at 20:20
Why $y[n] = x[-n]$ is not time-invariant?
Awarded Apr 13 '19 at 1:10
How can I remove shadows from an image?
Awarded Apr 3 '19 at 11:40
Difference Between Linear Convolution and Circular Convolution
Awarded Apr 1 '19 at 19:15
Pole-zeros of a real-valued causal FIR system
Awarded Mar 28 '19 at 8:05
Are Computer Stereo Vision techniques appropriate for sub-millimetre measurements?
Awarded Mar 25 '19 at 8:45
What are Chunks when recording a voice signal
Awarded Mar 18 '19 at 12:35
What is an AMDF?
Awarded Mar 15 '19 at 9:40
For complex values, why use complex conjugate in convolution?
Awarded Mar 4 '19 at 19:40
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