Hottest Questions This Week

1

vote

2

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209

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A path to get the foundation of SP and DSP for a pure math

modified Oct 23 at 11:56 Fat32 22.6k

1

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4

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169

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What can be done with I/Q data which would otherwise be impossible?

modulation sdr

modified 4 hours ago Envidia 1,011

0

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3

answers

77

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Averaging data from 2 sensors

noise statistics sensor averaging adev

modified 21 hours ago Dan Boschen 21.6k

1

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5

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107

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Effect of One Sample Latency in Audio Application

audio signal-detection dsp-core audio-processing

modified 20 hours ago Matt L. 66k

0

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2

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45

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draw sines at higher freq

fft resampling

answered Oct 22 at 21:58 Nigel Redmon 651

0

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2

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82

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What is the current “state of the art” in future audio sample prediction, given recent developments in “image inpainting” using deep learning?

image-processing signal-analysis audio estimation machine-learning

modified 32 mins ago Fat32 22.6k

2

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3

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76

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the $L^2$-norm of a signal is also applied as its energy!

signal-analysis continuous-signals

modified 4 hours ago Laurent Duval 23.8k

0

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1

answer

95

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Can amplitude aliasing occur in a bandlimited signal? [closed]

sampling frequency aliasing

modified 2 days ago OverLordGoldDragon 354

1

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1

answer

52

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How to determine the type of a digital filter given its expression?

lowpass-filter digital-filters butterworth

modified yesterday R. G. 23

1

vote

1

answer

60

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two dimensional integration of a trigonometric function

signal-analysis digital-communications continuous-signals signal-detection integration

modified yesterday Andy Walls 2,005

1

vote

1

answer

71

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Frequency response of a digital state variable (Chamberlin) filter

infinite-impulse-response frequency-response

modified Oct 21 at 17:49 Envidia 1,011

0

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3

answers

53

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Given a -3dB/ octave filter that makes Pink Noise, how can I make a +3dB/ octave filter that makes Blue/ Azure Noise?

filters noise filter-design

modified Oct 20 at 21:27 Dave Chambers 135

0

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2

answers

49

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What specifically does PCM refer to?

terminology pcm

answered Oct 22 at 16:42 Nigel Redmon 651

0

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1

answer

47

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Distortion in phase difference measurement using FFT

fft dft phase radar

modified Oct 21 at 13:28 Dan Boschen 21.6k

1

vote

1

answer

43

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Matlab filter implementation

matlab filters filter-design transfer-function digital-filters

modified yesterday Gilles 2,456

0

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1

answer

50

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Is Bluetooth Low Energy jamming possible with an SDR like the HackRF on GNURadio?

gnuradio spread-spectrum

modified 2 days ago Dan Boschen 21.6k

0

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1

answer

38

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Cascading first order digital filters in C++

filters filter-design digital-filters c++

answered Oct 21 at 7:09 Dave Chambers 135

2

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2

answers

29

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What do you call the random Gaussian vectors in compressed sensing?

compressive-sensing soft-question

answered Oct 22 at 9:01 Thomas Arildsen 1,132

1

vote

1

answer

43

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Sinusoidal function

discrete-signals continuous-signals

modified Oct 20 at 15:55 Florian 2,031

0

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0

answers

51

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Richardson-Lucy iterative deconvolution is producing erroneous deconvoluted images

linear-systems digital-filters deconvolution

asked Oct 21 at 11:52 aranyak 1

1

vote

1

answer

39

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Is Unsharp Mask (USM) Equivalent to Applying Laplacian of Gaussian Filter Directly on the Image?

image-processing filters gaussian-kernel

modified 2 days ago Royi 14.8k

1

vote

1

answer

30

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The cost function of LS algorithm

ofdm frequency-domain equalization least-squares

answered Oct 19 at 14:36 Laurent Duval 23.8k

0

votes

1

answer

38

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Ripple in a SciPy Butterworth SOS Filter

python butterworth scipy

modified Oct 20 at 13:02 Ben 2,337

0

votes

1

answer

38

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Modulate Bipolar(?) signal

filters phase modulation analog digital-to-analog

answered Oct 20 at 21:07 TimWescott 2,625

1

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1

answer

46

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Weird ringing at signal start and end for default Matlab lowpass filter

matlab lowpass-filter

modified Oct 22 at 20:38 Anand Kulkarni 13

0

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0

answers

42

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DWT and FFT on a very low frequency signals

discrete-signals machine-learning eeg feature-extraction

modified 2 days ago lennon310 3,377

1

vote

1

answer

32

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What are the possible ways to find spots with most concentrated contrast on an image?

image-segmentation thresholding

answered Oct 21 at 3:59 Knut Inge 775

2

votes

1

answer

32

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Testing if a signal contains a specific previously recorded signal

audio signal-detection

modified Oct 22 at 6:17 Max 929

0

votes

1

answer

38

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Confusion regarding frequency of Discrete Time Periodic Signal

dft frequency

answered Oct 22 at 9:41 Max 929

1

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3

answers

29

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How to practically correct for group delay imposed by a digital filter (Python)

infinite-impulse-response filtering butterworth scipy group-delay

modified 2 days ago Dan Boschen 21.6k

0

votes

1

answer

22

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Does fading memory mean impulse response with finite support?

continuous-signals finite-impulse-response linear-systems

answered Oct 22 at 13:09 MBaz 10.7k

0

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0

answers

34

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Calculating frequencies manually while plotting fft values

fft frequency-spectrum

modified Oct 22 at 10:35 mukhtar alam 1

1

vote

0

answers

30

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Using a Kalman filter to clean acceleration data

kalman-filters sensor

asked Oct 23 at 7:51 Thomas W 121

0

votes

1

answer

30

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How to reprocess SDR data to be equal to that captured with a higher RBW

python power-spectral-density downsampling

modified Oct 21 at 2:43 Dan Boschen 21.6k

0

votes

0

answers

29

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What is the best neural network type to classify time series

signal-analysis

asked Oct 21 at 13:52 Marek 1

-1

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0

answers

28

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How DFT is used to find the spectrum of a finite length continuous-time signal? [closed]

dft dtft

modified Oct 22 at 9:14 Lelouch Yagami 1

0

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1

answer

28

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What is the difference between complex FFT of baseband fft(I+jY) vs. FFT of absolute fft(abs|I+jY|)?

fft complex

answered Oct 23 at 7:35 Marcus Müller 18.7k

0

votes

0

answers

27

views

Matlab Filter designer not working, how come?

matlab filters lowpass-filter

asked Oct 20 at 20:25 Pllsz 137

1

vote

1

answer

27

views

Disjoint ROCs of input and system function

discrete-signals linear-systems z-transform

answered 23 hours ago Matt L. 66k

0

votes

1

answer

27

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Mixing square waves

frequency

modified 7 hours ago Dan Boschen 21.6k

0

votes

1

answer

21

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Kalman Filtering with measurement latency

computer-vision kalman-filters

answered 2 days ago TimWescott 2,625

0

votes

1

answer

26

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Seeking advice on how to denoise a video from poor CCTV lighting

image-processing noise filtering blur

modified Oct 20 at 7:32 Knut Inge 775

0

votes

0

answers

26

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Amplitude of a signal

digital-communications

asked 2 days ago user53836 1

0

votes

1

answer

20

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Discrete Fourier style transform with non-sinusoidal/arbitrary waveform components

dft

modified 5 hours ago V.V.T 550

0

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2

answers

25

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How to compute two Dimensional SNR

matlab snr

answered Oct 21 at 7:35 Fahad Mughal 1

0

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0

answers

24

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Karhunen-Loeve input

compression

asked 18 hours ago Suvi 21

1

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0

answers

24

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Designing a Chirp in the Frequency Domain

audio frequency-domain linear-chirp chirp

modified 2 hours ago Leccy PW 11

0

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0

answers

23

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Generating a sawtooth function with a variable frequency

continuous-signals periodic wave signal-synthesis

asked Oct 20 at 3:15 Francois Zard 1

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