User Richard Lyons

21 votes

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What are your tips for DSP self-study?

answered Sep 26, 2015 at 4:56

16 votes

Fastest way to compute Arctan2 on an FPGA

answered Feb 1, 2022 at 7:16

12 votes

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A basic question in FIR filter design using MATLAB

answered Sep 15, 2015 at 11:50

10 votes

Why do we care if a system is BIBO stable?

answered May 15, 2015 at 0:57

9 votes

Meaning of Hilbert Transform

answered Sep 16, 2015 at 2:29

9 votes

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Why the sum of filter coefficients of an FIR filter does not add to 1?

answered Dec 7, 2022 at 13:03

8 votes

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Real time numerical differentiation of signals

answered Feb 14, 2020 at 12:14

7 votes

Is it possible to find the FFT of a 1024-point signal by taking 8-input points at a time and calculating the FFT of those 8-points until the end?

answered Jan 5, 2023 at 15:24

6 votes

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Can anyone explain how dft works as a filter bank?

answered May 13, 2022 at 8:48

6 votes

Why does the derivative of an audio file act like a high-pass filter?

answered Jun 13, 2022 at 12:07

6 votes

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When if an FFT more efficient than Goertzel?

answered Oct 6, 2021 at 11:03

6 votes

Is $y[k] = y[k-1] + x[k]$ an integrator?

answered Apr 3, 2016 at 6:14

6 votes

Upsampling by zero padding or duplicating sequence

answered May 20, 2015 at 19:05

6 votes

Fields of math needed for digital filter design

answered Nov 3, 2015 at 9:04

5 votes

What is the role of a LPF in oversampling?

answered Dec 13, 2015 at 23:36

5 votes

how to make CIC compensation filter

answered Sep 20, 2015 at 8:33

5 votes

Averaging multiple FFTs in matlab

answered Oct 25, 2015 at 10:52

5 votes

The meaning of the sign in a phase difference

answered Jun 15, 2016 at 9:52

5 votes

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DFT exercise in the book Understanding digital signal processing 3 Ed

answered Jul 17, 2020 at 21:46

5 votes

Stanford EE 261 HW6 Q1 - Sampling below Nyquist Rate

answered May 12, 2022 at 10:07

5 votes

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Question about zero padding example in Lyons book on Understanding DSP

answered Dec 19, 2023 at 9:36

5 votes

Question about zero padding example in Lyons book on Understanding DSP

answered Dec 19, 2023 at 17:30

4 votes

Why the output of an IIR filter is growing even though the filter is stable as per matlab and all its poles and zeros are within the ROC?

answered Mar 18, 2022 at 11:48

4 votes

Poles and zeros form of a transfer function

answered May 30, 2022 at 10:49

4 votes

Basics of interpolation: is filter or upsample first?

answered Jul 6, 2022 at 7:13

4 votes

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Average of a set of transfer functions: how should I treat the phase?

answered Jul 18, 2023 at 11:57

4 votes

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

answered Jun 15, 2020 at 9:21

4 votes

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Angular frequency ($\omega$) vs regular frequency($f$)?

answered Mar 18, 2020 at 10:26

4 votes

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How do you do signal averaging on a realtime data?

answered Feb 28, 2020 at 22:48

4 votes

Signal Processing book with minimum math?

answered Mar 3, 2020 at 12:02

Stack Exchange Network

221 Answers

What are your tips for DSP self-study?

Fastest way to compute Arctan2 on an FPGA

A basic question in FIR filter design using MATLAB

Why do we care if a system is BIBO stable?

Meaning of Hilbert Transform

Why the sum of filter coefficients of an FIR filter does not add to 1?

Real time numerical differentiation of signals

Is it possible to find the FFT of a 1024-point signal by taking 8-input points at a time and calculating the FFT of those 8-points until the end?

Can anyone explain how dft works as a filter bank?

Why does the derivative of an audio file act like a high-pass filter?

When if an FFT more efficient than Goertzel?

Is $y[k] = y[k-1] + x[k]$ an integrator?

Upsampling by zero padding or duplicating sequence

Fields of math needed for digital filter design

What is the role of a LPF in oversampling?

how to make CIC compensation filter

Averaging multiple FFTs in matlab

The meaning of the sign in a phase difference

DFT exercise in the book Understanding digital signal processing 3 Ed

Stanford EE 261 HW6 Q1 - Sampling below Nyquist Rate

Question about zero padding example in Lyons book on Understanding DSP

Question about zero padding example in Lyons book on Understanding DSP

Why the output of an IIR filter is growing even though the filter is stable as per matlab and all its poles and zeros are within the ROC?

Poles and zeros form of a transfer function

Basics of interpolation: is filter or upsample first?

Average of a set of transfer functions: how should I treat the phase?

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

Angular frequency ($\omega$) vs regular frequency($f$)?

How do you do signal averaging on a realtime data?

Signal Processing book with minimum math?