Signal Processing

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Awarded 6292 times.
Proof of time-invariance of a discrete-time system
Awarded Oct 18 at 20:48
How are subcarrier symbols modulated into an anaolog OFDM signal?
Awarded Oct 17 at 10:55
Checking Invertibility of continuous-time system
Awarded Oct 16 at 13:22
Delayed waves existing MIMO eigenmode transmission
Awarded Oct 15 at 12:27
How to get the total power of the signal from sound pressure levels?
Awarded Oct 15 at 1:42
Resource recommendations to learn audio processing
Awarded Oct 14 at 14:27
Smallest Eigenvalue in the Derivation of the MUSIC Algorithm
Awarded Oct 7 at 4:58
Convolution output signal transient correction
Awarded Oct 6 at 13:25
GNSS Acquisition in time domain: Why is conjugate of FFT replica used for the mixer?
Awarded Oct 6 at 6:44
Partially undersampling effect on FFT
Awarded Oct 4 at 13:21
What's the point of differential beamforming?
Awarded Oct 4 at 7:33
What method is used in DSP to determine which discrete time frequency another frequency aliases to?
Awarded Sep 30 at 22:49
Impulse Response for an Input-Output Pair
Awarded Sep 30 at 15:27
Inverse fft does not give back the same image
Awarded Sep 30 at 13:25
ICWT filtering signal with a cut-off frequency
Awarded Sep 27 at 15:09
How would the correlation coefficient between 2 images change if we rotated 1 image?
Awarded Sep 27 at 13:33
Does analytic signal have positive instantaneous frequency?
Awarded Sep 26 at 6:35
Converting cutoff_frequency_ratio to Cycles/Pixel in Butterworth Filtering with skimage
Awarded Sep 26 at 0:11
Demodulation + LPF gives derivative of modulated signal
Awarded Sep 24 at 13:28
Given two low-pass digital IIR filters, find bandpass coefficients
Awarded Sep 22 at 8:01
second harmonic dominant effect, why does it happen?
Awarded Sep 22 at 5:17
Does phase shift introduce high frequencies?
Awarded Sep 21 at 14:05
Extracting the phase using FFT without detrending
Awarded Sep 20 at 16:48
Applying DCT two times in perceptual hashing
Awarded Sep 20 at 7:56
Implementing logarithmic AGC (automatic gain control)
Awarded Sep 19 at 12:10
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
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