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1 vote
1 answer
12 views

FFT of a random signal with 2 sine tones-> windowing and zero padding. Wrong FFT amplitude

5 votes
2 answers
8k views

Calculate 1D Power Spectrum from 2D Images

1 vote
1 answer
13 views

What should be the size of my FFT values for speed,acceleration,..?

2 votes
2 answers
570 views

Under What Conditions `DFT(f(x)) = f(DFT(x))` Holds?

0 votes
1 answer
20 views

Unable to analyze current signals of 3 phase inducion motor

3 votes
3 answers
307 views

Decomposing a DFT into multiple FFT calls

3 votes
2 answers
2k views

Relationship between Frequency Response, FFT, AutoPower, and CrossPower

-1 votes
0 answers
11 views

Simulink(powergui)

1 vote
1 answer
42 views

Delta sigma modulator harmonics appearing with a sine wave input

0 votes
0 answers
25 views

Why is the gnu radio FFT block in dvbt_rx_8k.grc but not in debt_tx_8k.grc? I don't understand

0 votes
1 answer
84 views

How to process a signal in frequency domain then convert it bakc to time domain?

2 votes
2 answers
32 views

DCT - Measures of energy compaction gain achieved using DCT over FFT

0 votes
0 answers
27 views

Periodic peaks in power spectrum

1 vote
1 answer
54 views

Convolution of two functions using FFTW

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