Signal Processing Stack Exchange

0

votes

1

answer

3k

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Fourier Transform of a Pulse Train (Frequency Comb Simulation)

modified 58 mins ago Community♦ 1

0

votes

1

answer

479

views

Calculating SPL from pressure signal - Amplitude vs Power method

matlab fourier-transform power-spectral-density amplitude acoustics

modified 1 hour ago Community♦ 1

-1

votes

1

answer

27

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Correlation of vector signal

fourier-transform autocorrelation correlation

modified 2 hours ago Stanley Pawlukiewicz 6,464

0

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0

answers

11

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Appropriate channel bandwidth for my BPSK modulated Psuedo-Random code on direct conversion transceiver

bandwidth bpsk sdr

modified 2 hours ago Stefan Orosco 1

1

vote

2

answers

847

views

Compare feature vectors of an image in MATLAB

matlab matlab-cvst ocr

modified 2 hours ago Community♦ 1

1

vote

1

answer

35

views

+50

Tetrahedral microphone array beamforming in MATLAB

beamforming array-signal-processing

answered 3 hours ago endolith 10.5k

0

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0

answers

11

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How do i Show this in the Frequency domain with Matlab

matlab fft

asked 3 hours ago Gary Hand 1

1

vote

1

answer

382

views

How to Select Point Spread Function Empirically for Image Deconvolution?

modified 3 hours ago Community♦ 1

17

votes

3

answers

5k

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Pink ($1/f$) pseudo-random noise generation

noise random

modified 4 hours ago Ed V 1

0

votes

1

answer

26

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Difference Between Contrast Enhancement and Texture Enhancement in Images

image-processing

modified 4 hours ago Community♦ 1

0

votes

1

answer

181

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Detection of Troughs and Notches in a PPG Signal

discrete-signals fourier-transform frequency-spectrum wavelet

modified 5 hours ago Community♦ 1

0

votes

0

answers

42

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Sampling and highest frequency rate

image-processing sampling frequency

modified 6 hours ago eng 1

2

votes

1

answer

35

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Deconvolution of two FIRs

fir deconvolution

answered 6 hours ago Peter K.♦ 17.3k

-3

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0

answers

7

views

EEG SIgnal Processing Using Anaconda Spyder Software

fir eeg

asked 7 hours ago Kishore 1

1

vote

2

answers

78

views

Question About Sampling White Noise

noise sampling homework

modified 8 hours ago Dilip Sarwate 13.5k

2

votes

2

answers

49

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Estimating a Signal Given a Noisy Measurement of the Signal and Its Derivative (Denoising)

noise kalman-filters estimation derivative

modified 9 hours ago Royi 7,301

1

vote

1

answer

27

views

Exponential Chirp

python chirp

modified 9 hours ago BADWOLF 8

0

votes

1

answer

52

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Harmonics in Quantal Histogram

fft discrete-signals quantization histogram

modified 9 hours ago Community♦ 1

-1

votes

0

answers

25

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Period and frequency of digital sequences

frequency digital periodic theory

modified 10 hours ago A_A 7,869

0

votes

1

answer

15

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Automatically crop out certain region around red objects

image-processing filters

answered 10 hours ago cripcate 23

1

vote

1

answer

22

views

Denoising Oscilloscope data the right way [python3]

noise oscillator

answered 11 hours ago A_A 7,869

0

votes

0

answers

13

views

Remove constant noise from Goertzel output

fft noise magnitude signal-power

asked 12 hours ago Johannes 1

0

votes

1

answer

46

views

Difference between two sine generators

signal-analysis frequency-spectrum signal-synthesis

modified 14 hours ago Olli Niemitalo 8,688

0

votes

1

answer

73

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Scan shallow water

radar sonar

modified 14 hours ago Community♦ 1

5

votes

1

answer

6k

views

Discrete Wavelet Transform - Visualizing Relation between Decomposed Detail Coefficients and Signal

python wavelet reconstruction decomposition visualization

modified 15 hours ago Community♦ 1

0

votes

1

answer

25

views

Encoding YUV Color Space with Positive Numbers

image-processing image-compression

modified 16 hours ago Community♦ 1

0

votes

0

answers

11

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Unknown encoding with some known parameters

signal-analysis demodulation deconvolution

asked 18 hours ago abbasi_ahsan 1

1

vote

0

answers

12

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Continuous-time RNN and Shannon sampling theorem

sampling continuous-signals machine-learning

asked 19 hours ago samlaf 106

0

votes

0

answers

79

views

Can we break the Shannon capacity? [duplicate]

channelcoding

modified 19 hours ago Glorfindel 227

1

vote

4

answers

174

views

How to see the amplitude of each frequency?

fft frequency-spectrum frequency image

modified 19 hours ago Community♦ 1

38

votes

6

answers

42k

views

What is the distinction between ergodic and stationary?

random ergodic

modified 20 hours ago Dilip Sarwate 13.5k

1

vote

2

answers

284

views

How to find difference equation, given poles and zeros?

poles-zeros

modified 20 hours ago Community♦ 1

-1

votes

0

answers

7

views

How to read all the metadata of a .dng raw image file to know the arrangement of the bayer pattern?

image-processing

asked yesterday Mohamad Jarmak 1

1

vote

2

answers

143

views

How to compare many bandpass filters (for their signal propogation delay)?

filter-design infinite-impulse-response fir butterworth group-delay

modified yesterday Community♦ 1

1

vote

0

answers

21

views

Implementing real-time variable fractional delay line in Matlab

audio delay audio-processing

asked yesterday Big_Thin_Ker 6

1

vote

2

answers

88

views

Conversion from stationarity to non-stationarity

filters discrete-signals linear-systems linear-algebra stationary

modified yesterday Community♦ 1

0

votes

1

answer

50

views

Why do we need to write the noise as randn(2,1)./sqrt(2*SNR) instead of randn(1,1)/sqrt(2)?

noise digital-communications

modified yesterday AlexTP 4,599

65

votes

3

answers

19k

views

Why is it a bad idea to filter by zeroing out FFT bins?

fft filters

modified yesterday Po-wei Huang 11

0

votes

1

answer

18

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How to Remove the Patch Artifacts of Neural Network Denoising Process?

image-processing python image-segmentation denoising neural-network

modified yesterday Royi 7,301

2

votes

2

answers

177

views

Do Fourier frequencies actually exist in real life in form of “fundamental frequency”?

frequency fourier

modified yesterday Maurizio Carcassona 13

0

votes

1

answer

158

views

Want to do shot boundary detection via SVM, what are some good features?

opencv machine-learning video-processing video

modified yesterday Community♦ 1

0

votes

2

answers

212

views

Easy way to get rid of noise in a hand drawing

image-processing image filtering 2d

answered yesterday M529 1,413

1

vote

1

answer

265

views

Variance of the Discrete Gabor Transform for practical implementation

discrete-signals time-frequency gabor stft

modified yesterday Community♦ 1

0

votes

0

answers

15

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Mathematics behind bandwidth of product of two signals

convolution frequency-domain bandwidth

asked yesterday William 1

0

votes

0

answers

6

views

How to set my rf transceiver to transmit qpsk data

qpsk

asked yesterday aziz boulares 1

0

votes

0

answers

8

views

Online backward-looking derivative filter for robot sensor data

filters python derivative

asked yesterday deb0ch 101

0

votes

0

answers

12

views

Log Sine Sweep Acoustic Measurements

signal-analysis audio measurement sweep

asked yesterday samp17 11

2

votes

1

answer

306

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Python toolboxes for state-space estimation via subspace estimation

python system-identification state-space

modified yesterday Community♦ 1

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