Signal Processing

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Awarded 6216 times.
Does phase shift introduce high frequencies?
Awarded 2 hours ago
Extracting the phase using FFT without detrending
Awarded 23 hours ago
Applying DCT two times in perceptual hashing
Awarded yesterday
Implementing logarithmic AGC (automatic gain control)
Awarded 2 days ago
Meaning of roll-off factor 0.5 and bandwidth
Awarded Sep 18 at 5:46
How to handle undefined functions in a convolution?
Awarded Sep 15 at 19:33
How to get x-axis when using FFT to cross-correlate
Awarded Sep 13 at 11:51
Why does the discrete bode plot look like the following and if possible explain the black vertical line at the end for an averaging filter
Awarded Sep 11 at 15:48
Why does convolution give the output of a passing a signal through a filter?
Awarded Sep 8 at 3:21
As of 2023, is it possible to extract two human voice from single audio track?
Awarded Sep 6 at 2:47
Using MATLAB's `fmincon()` Solver for Linear Optimization Problem
Awarded Sep 5 at 9:16
How to merge audio better?
Awarded Sep 5 at 7:16
Separating an audio file into "N" frequencies
Awarded Sep 4 at 17:20
Modeling an Acoustic Reflection from a Wall - a Paradox?
Awarded Sep 4 at 16:25
Low-pass filtering a clipped signal
Awarded Sep 3 at 17:01
Why is the convolution of two sine waves a sinc function?
Awarded Sep 1 at 23:57
How to model transfer functions using Python (without using higher level packages) and plot the magnitude and phase response?
Awarded Sep 1 at 14:50
Fixed-point FFT and numeric overflow
Awarded Aug 29 at 22:55
Numeric Derivative Frequency Response
Awarded Aug 29 at 11:40
How EEG signal is windowed? Windowing vs Epoching are they same?
Awarded Aug 29 at 7:27
Change filter frequency sample by its coefficients
Awarded Aug 28 at 21:33
(post deleted or otherwise unavailable)
Awarded Aug 28 at 9:42
Detection problem with extra noise observation. Does the extra observations help with detection?
Awarded Aug 27 at 20:55
Lowpass filter to downsample data
Awarded Aug 27 at 6:43
Why am I getting 2 frequency spikes in a mono tone signal?
Awarded Aug 25 at 14:22
Signal averaging of a digitized noisy signal
Awarded Aug 24 at 18:03
Overall spectrum computation from Short-Time-Fourier-Transform
Awarded Aug 24 at 15:16
Xilinx ISE IP Core 7.1 - FFT (settings) give incorrect results, whats missing
Awarded Aug 24 at 10:31
Understanding FIR windows
Awarded Aug 23 at 17:56
How to segment an image using a set of imperfectly drawn boundaries?
Awarded Aug 23 at 17:18
Meaning of frequency in DFT
Awarded Aug 23 at 15:05
How does downsampling decrease the noise power?
Awarded Aug 22 at 14:20
Periodicity problem with FFT for generating "starburst" from aperture
Awarded Aug 17 at 21:30
Does convolution of delayed sequences produces a delayed output?
Awarded Aug 14 at 23:01
Amplitude scaling of window functions for FFT
Awarded Aug 14 at 13:49
Is this a noise or what? (Sinusoidal signal frozen for a short time)
Awarded Aug 14 at 5:37
What is the audible level for digital audio dB units?
Awarded Aug 14 at 1:18
How to calculate the phase difference between two squarewaves of same frequency but different dutycycle?
Awarded Aug 11 at 18:32
producing sine signal with few samples
Awarded Aug 10 at 11:56
BPM Detection using Matlab xcorr function
Awarded Aug 9 at 18:37
What does the frequency of oscillating microphone feedback depend on?
Awarded Aug 8 at 20:36
What algorithm and approach could isolate low-frequency vibration in an engine-driven, double gear-reduced propeller system?
Awarded Aug 8 at 17:32
Why is the condition: region of convergence of z-transform contains unit circle sufficient for BIBO stability of a discrete time system
Awarded Aug 6 at 14:57
What are the advantages/disadvantages of image set classification over single image based classification?
Awarded Aug 4 at 8:27
Robust method to detect pinpricks in an image?
Awarded Aug 3 at 11:28
Replicating SDR transmitter and receiver (shifting of a quadrature signal)
Awarded Aug 1 at 20:34
Anonymize / Obfuscate speech when doing audio classification
Awarded Aug 1 at 13:07
How to discretize a continous signal
Awarded Jul 30 at 16:46
How to measure quality of sharpening in images
Awarded Jul 29 at 14:51
Measure of how well sounds fit together in a composition
Awarded Jul 28 at 0:40
Is there a Fourier Transform generalization that lets you analyze arbitrary complex frequencies?
Awarded Jul 26 at 22:05
How to calculate the reverberation time RT60 given dimensions of a room?
Awarded Jul 25 at 1:04
Phase of the DFT
Awarded Jul 23 at 12:28
Integral over power spectral density
Awarded Jul 21 at 7:50
Extracting Peak Frequencies Using FFT vs. Time Domain Peak Finding
Awarded Jul 20 at 19:57
How should I go about calculating sines or cosines without the errors introduced solely by the transcendence of pi?
Awarded Jul 20 at 15:09
How to construct a bandpass filter with minimal loss in amplitude/power near the lower and upper frequency limit in Python?
Awarded Jul 20 at 9:34
Maximum Likelihood Estimation of Phase
Awarded Jul 19 at 17:20
QPSK demodulation carrier frequency offset compensation on python
Awarded Jul 19 at 13:48
Average of a set of transfer functions: how should I treat the phase?
Awarded Jul 19 at 6:40
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