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6

votes

2

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516

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Quantization SNR of sine wave doesn't match 1.761 + 6.02 * Q

modified Sep 6 at 21:29 Tom Verbeure 101

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5

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313

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DFT derivative property?

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modified Sep 15 at 22:31 OverLordGoldDragon 200

2

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3

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167

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modified Sep 10 at 17:29 robert bristow-johnson 13.8k

4

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3

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137

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modified 2 days ago Cedron Dawg 6,336

4

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2

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125

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modified Sep 8 at 13:34 Olli Niemitalo 11.3k

4

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1

answer

107

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fft audio

answered Sep 16 at 8:44 Florian 1,646

2

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1

answer

80

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What are the advantages and disadvantages of Kalman filter compared with FIR, IIR and low pass filter to filter data with noise?

filters filter-design lowpass-filter finite-impulse-response kalman-filters

answered Sep 5 at 18:54 TimWescott 2,520

1

vote

4

answers

76

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discrete-signals impulse-response

answered Sep 5 at 13:35 Costas Revythis 1

0

votes

5

answers

110

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answered Sep 7 at 13:49 MBaz 10.4k

1

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1

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105

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audio dynamic-range-compression

modified 2 days ago Hilmar 16k

2

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2

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121

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modified Sep 8 at 17:04 OverLordGoldDragon 200

4

votes

1

answer

57

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Actual Sample Rate slightly off?

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modified Aug 31 at 13:55 MBaz 10.4k

0

votes

2

answers

84

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modified Sep 13 at 2:08 Dan Boschen 20.7k

1

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2

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50

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How can we measure the quality of the FIR filter?

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answered Sep 4 at 7:22 Hilmar 16k

0

votes

1

answer

48

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modified Sep 14 at 20:58 Fat32 22k

0

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3

answers

75

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How to distinguish between FFT power leak or close frequencies

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modified Sep 14 at 15:01 Dan Boschen 20.7k

0

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2

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80

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What is the point of smoothing an FFT or spectral density plot, and how does that affect the noise floor?

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modified 19 hours ago Dan Boschen 20.7k

1

vote

3

answers

59

views

Sampling a low-frequency sound doesn't work at some sampling rates

audio audio-processing aliasing c c++

answered Sep 6 at 0:34 KTC 111

3

votes

1

answer

54

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Is the DCT prone to spectral leakage like the DFT?

fft dft window-functions dct

modified Sep 14 at 18:05 Olli Niemitalo 11.3k

0

votes

2

answers

41

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BPSK and QPSK demodulation computational complexity

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modified Sep 2 at 19:43 Engineer 1,646

2

votes

1

answer

67

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Is spectral density sometimes normalized by sampling rate rather than bin size?

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modified 2 days ago Dan Boschen 20.7k

3

votes

2

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49

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answered Sep 10 at 17:38 Peter K.♦ 18.6k

0

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2

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80

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modified Sep 14 at 21:57 Dan Boschen 20.7k

2

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3

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80

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Could these be two peaks?

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answered 2 days ago Filipe Pinto 463

0

votes

2

answers

62

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D/A converter with

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answered yesterday dsp 13

-1

votes

2

answers

76

views

How to plot thermal noise in the “time domain”?

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modified Aug 31 at 14:39 Ed V 571

1

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3

answers

75

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Use of pulse shaping in digital modulation

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answered 1 hour ago V.V.T 497

0

votes

2

answers

74

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Correction of amplitude after zero padding for upsampling purposes

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modified Sep 6 at 14:48 Cedron Dawg 6,336

0

votes

2

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44

views

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answered Aug 25 at 3:11 TimWescott 2,520

1

vote

1

answer

55

views

IIR filter relationship between number of poles, order and second order sections

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answered Sep 3 at 8:53 Matt L. 65.6k

3

votes

1

answer

69

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how to plot fft with imaginary and real part in 3d or calculate the degree of rotation

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modified Sep 8 at 7:22 Khan 121

0

votes

1

answer

51

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How many bins to include when calculating SNR from FFT?

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modified 2 days ago user3308243 39

0

votes

0

answers

82

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Arbitrary precision FFT and IFFT

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modified Sep 5 at 6:41 Olli Niemitalo 11.3k

1

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3

answers

49

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QAM Amplitude Levels

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answered yesterday Engineer 1,646

1

vote

1

answer

79

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Fourier Transforms, Convolution, Cross-correlation: what is their physical unit exactly?

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modified Sep 10 at 15:06 Dan N. 34

1

vote

1

answer

61

views

Apply “non-causal” filter buffer-wise, a.k.a “soft real-time filtering”

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modified Sep 1 at 10:57 Triceratops 145

0

votes

1

answer

77

views

the number of multiplications per second required by the system

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modified Sep 13 at 20:15 Fat32 22k

1

vote

1

answer

45

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number of multiplications per second required by the system

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modified Sep 16 at 20:39 Hilmar 16k

-1

votes

1

answer

57

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modified Aug 30 at 17:09 Matt L. 65.6k

1

vote

1

answer

44

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modified Sep 13 at 11:54 Matt L. 65.6k

0

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2

answers

55

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answered Aug 31 at 23:12 Laurent Duval 23.5k

0

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1

answer

42

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Produce musical signal from instantaneous frequency

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answered 17 hours ago Justme 943

0

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1

answer

53

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How to evaluate fixed-point implementation of LMS filter is correct?

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modified Sep 3 at 5:13 Deepa 25

2

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1

answer

53

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Exponential Swept Sine Distortion

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modified Sep 4 at 16:31 NatanBackwards 21

1

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1

answer

52

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Removing Gaussian Noise from a Signal to Get Minimum Value

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modified Sep 14 at 10:04 Royi 14.2k

2

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2

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66

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Radar for Vital Signs – Matlab Simulation

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modified Sep 16 at 2:43 SenSen 43

0

votes

0

answers

66

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Why does time-domain convolution correspond to frequency-domain multiplication? (visual)

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modified Sep 14 at 18:05 OverLordGoldDragon 200

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