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Top Questions

8 votes
4 answers
199 views

Building a data acquisition system to capture raw IQ data

12 votes
3 answers
691 views

Other end of Nyquist limit

5 votes
4 answers
991 views

Is the negative spectrum (by DFT) of a real signal "needed" to reconstruct it?

5 votes
2 answers
610 views

Is there a way to compute the spectrum effect of a non-linear function?

5 votes
2 answers
729 views

Remove single echo from audio signal

5 votes
2 answers
480 views

Odd artifacts after sinc interpolation

3 votes
1 answer
250 views

How to get scipy remez to give matlab firpm answer?

3 votes
2 answers
408 views

Which signal corresponds to the high-pass version of the original signal?

1 vote
3 answers
344 views

True Peak detection II

2 votes
1 answer
241 views

In time series analysis, is taking a multi-period difference equivalent to a band-pass filter?

5 votes
1 answer
215 views

Filter design with constrained impulse response

0 votes
3 answers
123 views

How is this system nonlinear

3 votes
1 answer
138 views

Oppenheim Signals, Systems & Inference

2 votes
2 answers
192 views

Why complex signal doesn't remove "beatings" while sampling?

1 vote
2 answers
140 views

Empirical Frequency Response to test a filter function

7 votes
1 answer
93 views

Why Is PDE Based Image Processing Not as Active as It Used to Be?

1 vote
2 answers
91 views

Why MATLAB's abs(fft(X)) returns maximum amplitude first harmonic's while in signal maximum is second's?

1 vote
2 answers
52 views

What does convolving an image with kernel [1 -2 1] do? How is it different than convolving with the derivative kernel [1 -1]?

2 votes
3 answers
91 views

Open debate: Protocol for signal analysis

2 votes
3 answers
89 views

Algorithm to detect down-up-down pattern in time series

2 votes
1 answer
102 views

How to Find "pitch" from Fourier Series

1 vote
2 answers
96 views

Transfer function and Laplace domain

1 vote
1 answer
154 views

Weird Noise arises on the small scales: one question about the fast CWT algorithm implemented in real space

0 votes
3 answers
72 views

What is the frequency response of binning 2x2 pixels of an image into 1 pixel in software?

3 votes
4 answers
71 views

Effect of gaussian blur on FFTs

1 vote
1 answer
91 views

Distribution of Sensor Uncertaintiy/Error in Datasheets

2 votes
1 answer
112 views

Tuning Active Power Factor Correction converter works in Simulink, but having trouble achieving the same in DPS

2 votes
2 answers
66 views

Why do we decompose signals to even and odd

6 votes
1 answer
51 views

Relationship / Connection Between Machine Learning / Deep Learning and Computer Vision [closed]

0 votes
1 answer
64 views

When $x(t)$ and the output $y(t)$ are related by linear differential equations, why is the system unstable when $M>N$?

2 votes
1 answer
68 views

Different PI controller implementations and their respective discrete transfer functions

0 votes
2 answers
83 views

How to calculate RMS of a sampled analog signal

0 votes
3 answers
63 views

How to plot step response of a system with more zeros than poles(Without changing original transfer function)

0 votes
2 answers
38 views

The dft magnitudes aren't linear with dft point number in my matlab code

1 vote
3 answers
76 views

How to interpolate the peak amplitude of an fft output?

1 vote
1 answer
72 views

(Fast?) Fractional Discrete Fourier Transform

2 votes
2 answers
71 views

What is the relation between the terms stable, asymptotically stable, marginally stable and unstable?

1 vote
1 answer
71 views

Multirate Control System Transfer Functions

0 votes
2 answers
32 views

Expected flat FFT

1 vote
1 answer
65 views

What is this similar-but-not-quite-windowed-sinc impulse response?

2 votes
1 answer
50 views

How to remove a known smooth signal with known location and unknown amplitude from an unknown signal?

2 votes
1 answer
50 views

Filter Design - Quantifying the Tradeoffs

0 votes
1 answer
80 views

Return list of wav files in folder that are clipped

1 vote
1 answer
62 views

iir filter saturation problems

4 votes
1 answer
100 views

Can we detect WiFi from Spectrograms using signal processing?

0 votes
1 answer
47 views

Confusion regarding stability & step response?

1 vote
0 answers
98 views

Why is Envelope noisy even after filtering and achievement of SNR gain (-6dB SNR to 14dB snr)?

1 vote
1 answer
76 views

Wavelet transformation to analyse time series


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