Hottest Questions This Month

5

votes

6

answers

1k

views

What is the first derivative of Dirac delta function?

modified yesterday tobi_s 141

12

votes

5

answers

1k

views

Are there any real world applications for complex-valued signals or impulse responses?

discrete-signals linear-systems complex

answered Jun 29 at 21:17 Laurent Duval 22.7k

4

votes

4

answers

258

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How to determine precision needed for sin approximation used for sound synthesis?

sound signal-synthesis approximation

modified Jun 30 at 21:47 Suma 141

3

votes

2

answers

195

views

Resources for learning about filters from scratch?

filters finite-impulse-response infinite-impulse-response digital-filters reference-request

modified 2 days ago Matt L. 63k

4

votes

2

answers

173

views

How do I remove “jitter” when detecting frequency of Sine Wave

frequency

modified Jun 23 at 20:57 Ben 2,127

2

votes

1

answer

171

views

Fourier transform of the magnitude of the fourier transformed signal

fourier-transform

answered Jul 1 at 6:09 Matt L. 63k

2

votes

3

answers

145

views

What does this paragraph mean?

image-processing image magnitude

answered Jun 20 at 0:40 DSP Rookie 3,030

3

votes

2

answers

140

views

Behaviour of System by Impulse Response

linear-systems impulse-response stability

answered Jun 18 at 14:09 Ηλεκτρολόγος Μηχανικός 203

1

vote

2

answers

79

views

Calculating the 3dB frequency of an nth order low pass filter and nth order high pass filter

filters lowpass-filter frequency-response digital-filters highpass-filter

modified Jun 21 at 8:46 Matt L. 63k

1

vote

1

answer

129

views

Are there analog re-configurable filters?

matlab digital analog-to-digital analog

answered Jun 23 at 11:56 Marcus Müller 16.8k

2

votes

2

answers

66

views

1D DCT matlab code

image-processing matlab discrete-signals transform dct

modified Jun 30 at 18:54 Laurent Duval 22.7k

0

votes

3

answers

98

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Compute Hann window without cos function

window-functions optimization

modified Jun 24 at 17:00 Cedron Dawg 5,468

2

votes

2

answers

75

views

Duality Property for DFT

fourier-transform dft

answered Jun 13 at 15:37 Laurent Duval 22.7k

1

vote

2

answers

67

views

3 dB cut-off frequency of first-order IIR high-pass filter

filters filter-design infinite-impulse-response digital-filters highpass-filter

modified Jun 29 at 6:23 Matt L. 63k

0

votes

3

answers

60

views

Is there a simpler way to calculate the amplitude response of the following filter

z-transform infinite-impulse-response transfer-function allpass

modified Jun 17 at 12:28 lennon310 3,377

1

vote

2

answers

98

views

Converting cascaded biquads to parallel biquads

digital-filters biquad

modified Jun 30 at 11:32 Nizar Nizar 43

3

votes

1

answer

59

views

How FIR filters provide a linear phase?

filters discrete-signals signal-analysis filter-design finite-impulse-response

answered Jun 10 at 10:44 Matt L. 63k

0

votes

3

answers

57

views

Does downsampling increase the resolution of frequencies?

matlab spectrogram

answered Jun 25 at 19:25 Laurent Duval 22.7k

2

votes

2

answers

56

views

Z transform of finite signals

discrete-signals z-transform

modified Jun 12 at 20:07 iplayball27 17

2

votes

1

answer

55

views

Difficulty regarding grasping concept of fft butterfly?

fft

modified Jun 23 at 11:37 Hilmar 14.9k

2

votes

1

answer

70

views

How should we read FIR filter phase response graph?

filters finite-impulse-response phase digital-filters linear-phase

modified Jun 11 at 7:25 Matt L. 63k

2

votes

1

answer

86

views

Radix-2 vs Radix-4 FFT

fft dft

modified Jun 17 at 13:19 Dan Boschen 19.4k

3

votes

1

answer

64

views

Sample rates, Samples per Symbol, and Digital Pulse Shaping

digital-communications nyquist qpsk gnuradio baseband

modified Jun 26 at 23:22 user67081 229

3

votes

1

answer

100

views

A-weighted Digital Filter for 1/3rd Octave Band Analysis

signal-analysis frequency-spectrum noise python

answered Jul 4 at 9:12 Juha P 370

1

vote

3

answers

72

views

Meaning of sampling frequency?

discrete-signals signal-analysis digital-communications sampling continuous-signals

modified Jun 30 at 7:57 jojek♦ 9,455

2

votes

1

answer

71

views

Does Radio Communication Have to Account for the Doppler Effect?

wave radio doppler

modified Jun 18 at 6:45 alyssaeliyah 65

0

votes

1

answer

38

views

Converting Analog Filter into Digital Filter, why Bilinear Transform?

filter-design

answered Jun 23 at 17:56 TimWescott 1,950

0

votes

2

answers

80

views

Distortion of OFDM signal when using RRC filter

filter-design ofdm filtering equalization equalizer

modified Jun 20 at 12:36 Fatima_Ali 349

1

vote

2

answers

62

views

Showing error energy goes to zero

discrete-signals fourier-transform homework signal-energy

modified Jun 23 at 10:10 Matt L. 63k

0

votes

2

answers

61

views

Why the plots of spline and cubic interpolation are exactly same?

matlab interpolation

answered Jun 30 at 20:17 Laurent Duval 22.7k

0

votes

1

answer

47

views

Software-Emulated Amplifier: Cracking while change Volume

scaling

modified Jun 21 at 12:15 Marcus Müller 16.8k

2

votes

2

answers

77

views

Why FIR uses often direct-form instead of transposed-form?

filters discrete-signals signal-analysis finite-impulse-response digital-filters

modified Jun 10 at 1:54 Dan Boschen 19.4k

0

votes

1

answer

46

views

Analog Square Root Raised Cosine Filter

matlab signal-analysis digital-communications analog

modified Jun 17 at 14:21 Andy Walls 1,856

1

vote

2

answers

46

views

Can discrete wavelet transform for denoising purposes be implemented in real time? [closed]

noise wavelet denoising real-time

modified 2 days ago Laurent Duval 22.7k

1

vote

2

answers

94

views

Ideal Lowpass Filters

discrete-signals digital-filters

answered yesterday Richard Lyons 2,949

1

vote

1

answer

57

views

Group delay of non differentiable unwrapped phase

frequency phase group-delay

answered Jun 13 at 7:37 Matt L. 63k

1

vote

1

answer

73

views

Duality in the discrete-time Fourier series

discrete-signals fourier-series periodic

modified Jun 22 at 18:47 DSP Rookie 3,030

0

votes

1

answer

43

views

confusion understanding FFT butterfly diagram?where are 12 , two input butterflies?

fft dft

answered Jun 15 at 9:21 Richard Lyons 2,949

1

vote

3

answers

53

views

aliasing in image processing

lowpass-filter nyquist aliasing sinc

answered Jun 29 at 19:45 Laurent Duval 22.7k

2

votes

2

answers

52

views

Practical implementation of Expected Value?

power-spectral-density random-process

answered Jul 1 at 19:51 Steve J. 53

0

votes

0

answers

110

views

Algorithm that Fills the White Holes Within the Character Image

image-processing python image algorithms

asked Jun 14 at 6:05 alyssaeliyah 65

2

votes

1

answer

66

views

Single Pixel Camera - Compressive Sensing

compressive-sensing

modified Jun 16 at 20:00 MimSaad 1,608

2

votes

3

answers

65

views

Reversing the Order of Operators for Edge Detection?

image-processing computer-vision edge-detection smoothing

modified 2 days ago Laurent Duval 22.7k

1

vote

1

answer

39

views

The Stability of the RLS Algorithm for Equalization

filters filter-design kalman-filters adaptive-filters

modified yesterday JMJ 141

1

vote

1

answer

50

views

Fourier transform of the sampled signal

discrete-signals fourier-transform sampling continuous-signals fourier-series

modified 2 days ago Matt L. 63k

2

votes

1

answer

49

views

Clear examples of Fixed Point Algorithm Specification Block Diagram for FPGA Implementer

algorithms fixed-point

modified Jun 26 at 1:54 Ben 2,127

1

vote

1

answer

80

views

Generating spectrum of a spectrum / identifying frequencies of ripples present in a spectrum

frequency-spectrum

modified Jun 29 at 16:07 Newbie gamer 13

2

votes

2

answers

62

views

Proof of fourier transformation of multiplication of two signals

fourier-transform convolution frequency-domain

modified Jun 8 at 20:45 Gurpreet Singh 41

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