Signal Processing

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Awarded 5905 times.
Why does an FFT-based filter change phase?
Awarded 15 hours ago
Finding the maximum frequency deviation and phase deviation
Awarded 16 hours ago
How to use Shannon Equation
Awarded 2 days ago
Conceptual doubt about PID algorithm in PLC
Awarded Nov 25 at 10:11
frequency Domain with bandlimit
Awarded Nov 24 at 16:43
Is the implementation of this Z-transform correct?
Awarded Nov 22 at 23:41
How to Design a Model based on Convolutional Neural Network (CNN) which Supports Arbitrary Input Size in Training and Production
Awarded Nov 22 at 22:34
Why is scaling of images / pixels into `[0, 1]` range performed before SIFT (Scale Invariant Feature Transform) algorithm?
Awarded Nov 22 at 3:16
Relation between height of peaks of DFT and (continuous) FT
Awarded Nov 20 at 11:11
digital Butterworth high pass filter
Awarded Nov 18 at 17:21
First Order State Space Question
Awarded Nov 17 at 20:57
Solving for the Kernel of a system using impulse balancing with diracs delta's derivative
Awarded Nov 17 at 12:55
Why do my set of IR LEDS yield a purple-ish images on one camera sensor and greyscale on another?
Awarded Nov 16 at 8:12
Why is the signal from small diaphragm condenser microphone not a symmetrical shape
Awarded Nov 15 at 2:40
FFT of signal data with windowing, overlapping and averaging
Awarded Nov 14 at 11:51
Intuition for how much ringing a particular filter will induce
Awarded Nov 11 at 18:51
Series vs Parallel Biquad Filters
Awarded Nov 11 at 15:47
Removing tessellating interference patterns from images
Awarded Nov 11 at 13:20
Derivation of a non-ideal low-pass rectangular windowed FIR filter
Awarded Nov 9 at 14:49
Interpreting SQNR from a Graph
Awarded Nov 8 at 16:06
What is the energy`correction or amplitude correction for a Tukey window?
Awarded Nov 8 at 13:36
Can humans hear Hilbert transform in audio?
Awarded Nov 6 at 12:46
Is there an analogue to the 2D DFT that is rotation equivariant?
Awarded Nov 6 at 6:05
Approaches to work around differing signal lengths when using Kalman filter
Awarded Nov 6 at 4:48
Represent a sinusoid by other sinusoids of different frequencies
Awarded Nov 5 at 11:55
Question about the definition of wavelet
Awarded Nov 3 at 14:05
Description of Rectified Linear Unit with energy?
Awarded Nov 3 at 8:07
averaging power spectrum from multiple signal of different length
Awarded Nov 3 at 7:57
What steps are necessary to get the same impulse as before a FFT + IFFT
Awarded Nov 2 at 10:20
What does the signal of $y(n) = x(n^2)$ look like?
Awarded Nov 1 at 15:25
low pass filtering for smoothing
Awarded Oct 31 at 16:58
How many directions are there in the Non Maximum Suppression part of the Canny Edge Detector
Awarded Oct 30 at 18:51
Proof that DFT is symmetric
Awarded Oct 29 at 7:55
LPF design with pole/zero placement at rejection at specified freq
Awarded Oct 28 at 23:47
Extremely noisy FFT of a simple signal on Python
Awarded Oct 27 at 20:10
Convolving Image with Kernel with Fourier
Awarded Oct 27 at 13:32
Frequency difference measurements
Awarded Oct 26 at 15:57
snr of awgn in matlab before and after filtration
Awarded Oct 25 at 23:33
Bandwidth of cosine of bandlimited signal
Awarded Oct 24 at 14:30
Detecting and Removing Noise from Signal using Python
Awarded Oct 21 at 10:09
Convolution theorem for inverse DTFT
Awarded Oct 21 at 2:52
While calculating the power spectral density (PSD), why is there a roll-off at the end depending on the sampling rate?
Awarded Oct 20 at 4:47
energy or power of exponential summation signal
Awarded Oct 19 at 15:07
Calculate noise variance from a given SNRdB
Awarded Oct 18 at 20:45
What is the outcome of applying a derivative on X and Y for an image? and Other Gaussian Questions
Awarded Oct 18 at 20:03
Why is Autocorrelation between a Zero-mean Random process and a finite deterministic sequence zero?
Awarded Oct 17 at 19:55
A vanilla BPSK set up, but constellation disgram is a line
Awarded Oct 17 at 1:11
How are discontinuities in quadrature modulated signal QAM physically produced?
Awarded Oct 15 at 14:34
What's the FFT2 of white noise image?
Awarded Oct 14 at 0:45
How many DCTs per second to play DVD?
Awarded Oct 13 at 16:55
Examine the operation of a filter, given its z-transform
Awarded Oct 12 at 14:58
What Measure to Compare the Color Depth (Distribution of Colors) of Images
Awarded Oct 12 at 12:35
Signal power normalization
Awarded Oct 11 at 17:46
When signal processing experts say something is analogue, what do they mean? [duplicate]
Awarded Oct 9 at 18:18
Why does varying n_fft change the range of x axis values when plotting STFT?
Awarded Oct 7 at 16:26
Estimation of Input Signal to Obtain the Desired Output Signal for an Unknown Filter
Awarded Oct 7 at 7:10
Measurement of blocking artifacts in images
Awarded Oct 6 at 8:08
Applying Kaiser Window to sinc interpolation
Awarded Oct 6 at 3:41
How to upscale an image using a Gaussian filter in R?
Awarded Oct 4 at 19:31
What is this similar-but-not-quite-windowed-sinc impulse response?
Awarded Oct 4 at 11:26
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