Signal Processing

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Awarded 5190 times.
Why do FIR systems need to be antisymmetric about M/2 to be linear phase?
Awarded 21 hours ago
How to compute correct phase in FFT even after applying phase unwrap and zeroing round off error?
Awarded 22 hours ago
Train of impulses in frequency domain
Awarded yesterday
How to do sliding window multiplication in frequency domain
Awarded May 4 at 20:57
Does the Shannon theorem not apply when the amplitude of a wave is changed faster than half the time period of the wave?
Awarded May 3 at 13:52
Deconvolution Using Complex Division in The Frequency Domain
Awarded May 3 at 9:41
What is the difference between sampling over $-4\pi$ to $4\pi$ and 0 to $8\pi$
Awarded May 2 at 18:15
A Fast Power Grid Frequency Estimation Approach Using Frequency Shift Filtering
Awarded May 2 at 8:07
Brute forcing an aperiodic s-shaped signal to be periodic by mirroring it before performing FFT
Awarded May 1 at 6:10
Can I decompose a sine signal into its component sine waves?
Awarded Apr 30 at 13:07
Understanding the H1 and H2 estimators
Awarded Apr 30 at 10:55
Replicate MATLAB's `conv2()` in Frequency Domain
Awarded Apr 29 at 8:49
Why is particular solution zero for an impulse excitation signal?
Awarded Apr 29 at 7:41
FIR Filter design, using different filter length than signal length
Awarded Apr 28 at 16:18
Where to start with DSP?
Awarded Apr 28 at 10:12
FFT of square wave - what does output represent?
Awarded Apr 27 at 14:29
MATLAB's designfilt vs butter function
Awarded Apr 27 at 13:01
Centre channel derivation using correlation
Awarded Apr 26 at 23:52
Equalizing audio under linux / Raspberry Pi
Awarded Apr 26 at 17:29
Geometric representation of a signal using basis functions
Awarded Apr 25 at 17:30
trying to reproduce the behavior of initial conditions for the filter delays of scipy lfilter with R
Awarded Apr 24 at 14:10
Envelop detection using matlab hilbert function
Awarded Apr 23 at 20:18
Digital demodulator (SDR) for receiving legacy analog modulated wave
Awarded Apr 23 at 11:14
Wave Digital Filter Bridge-T Resonator implementation, gives expected cutoff frequency but incorrect gain and roll-off
Awarded Apr 22 at 23:26
what Graphical DSP programming tools are there for ASIO4ALL?
Awarded Apr 22 at 9:30
Why plotting the fft result of a signal from -f to f gives different result compared to 0 to f?
Awarded Apr 22 at 0:38
FFT: low magnitude peaks centered exactly 1 Hz apart across whole spectrum
Awarded Apr 21 at 14:52
What is the advantage of using a Stepped Frequency waveform over FMCW?
Awarded Apr 21 at 6:53
Oversampling while maintaining noise PSD
Awarded Apr 21 at 3:21
How to Calculate Local Spatial Variance of an Image?
Awarded Apr 20 at 23:38
At what stage do we compute the approximations and details while performing a DWT?
Awarded Apr 20 at 23:38
Understanding GCC-PHAT as a Feature
Awarded Apr 19 at 15:59
Impulse response for an LTI system
Awarded Apr 19 at 15:59
Developing Lead Compensator to Decrease Settle Time
Awarded Apr 19 at 1:48
Proof of Bedrosian's theorem
Awarded Apr 17 at 20:49
How to set the “duration” parameter for a flanger with LFO oscillator
Awarded Apr 17 at 17:53
What is the formula to calculate the frequency response?
Awarded Apr 17 at 14:47
How do i know it is will be periodic
Awarded Apr 17 at 14:47
How to apply the gain factor G to SOS coefficients when designing a IIR filter on sptool (MATLAB)?
Awarded Apr 16 at 17:54
How to detect rectangular images inserted into another image?
Awarded Apr 16 at 13:42
Frequency content Signal processing of very large files
Awarded Apr 14 at 12:49
Implementation of Hilbert Spectrum in MATLAB
Awarded Apr 12 at 13:10
code construction process in polar coding
Awarded Apr 11 at 12:55
Spatial domain vs. Frequency domain filtering of an image. Which one is better?
Awarded Apr 11 at 9:35
Why do we need to estimate eigenvalues?
Awarded Apr 11 at 8:46
How do I check for linearity for the following piecewise-defined system?
Awarded Apr 10 at 16:32
Comparing a clean, noisy and enhanced signal
Awarded Apr 10 at 11:25
Memory efficient filtering with scipy.signal in Python
Awarded Apr 9 at 16:03
Can I create my IF signal on SDR before bringing data to PC?
Awarded Apr 8 at 15:21
T1 Mapping in Python?
Awarded Apr 7 at 13:58
Can I simplify $x=\frac{\ln(|\mathcal F((\mathcal F^{-1}(\sqrt{(f^{-5/3})}))^{2})|)}{\ln(f)}$
Awarded Apr 5 at 21:00
How to implement a high pass filter digitally to remove the dc offset from sensor data
Awarded Apr 5 at 16:01
What Does It Mean When Cross Correlation Between Two Images Occur at Negative Coordinates
Awarded Apr 4 at 16:32
3-point DFT with two multiplications
Awarded Apr 3 at 19:36
wavelet_transform
Awarded Apr 3 at 17:49
Morphological operations to isolate and preserve network graph structure?
Awarded Mar 31 at 18:35
How to demodulation BPSK in real case(through a channel)?
Awarded Mar 30 at 15:09
Gaussian signal generation
Awarded Mar 30 at 13:36
Retrieve DFT coefficients from DCT coefficients
Awarded Mar 29 at 13:21
Unilateral Laplace Transform's Differentiation Property
Awarded Mar 28 at 13:28
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