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Detecting a three-tone signal in real-time

matlab fft python sdr

modified 23 hours ago Community♦ 1

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1

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36

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Recovering a signal after filtering

fft discrete-signals homework

answered yesterday Marcus Müller 13.2k

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137

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why is my FFT magnitude of real time recording so volatile?

fft signal-analysis frequency-spectrum

modified 2 days ago Community♦ 1

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1

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139

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Why is this recursive DFT algorithm not equivalent to this iterative method?

matlab fft dft

modified 2 days ago Meghna Ludra 1

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1

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129

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Best way to resample an OFDM signal without interpolating + filtering?

fft ifft resampling sdr usrp

modified Oct 11 at 16:01 Community♦ 1

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45

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Plotting curved peaks on PSD graph

fft power-spectral-density bandpass butterworth

modified Oct 11 at 12:34 Giz 1

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38

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Dominant Frequency Peak Decreases with Increasing Window Size

fft signal-analysis dft parameter-estimation

answered Oct 10 at 18:27 Royi 8,908

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361

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Compensation for Irregular Time Step for DFT (FFT)

fft signal-analysis sampling nyquist time-frequency

modified Oct 10 at 18:22 Royi 8,908

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1

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4k

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Non Uniform FFT / DFT with FFTW?

fft dft

modified Oct 10 at 6:27 Royi 8,908

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69

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Multi Resolution STFT for audio

fft stft window resolution

modified Oct 9 at 22:01 Community♦ 1

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379

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What is the proper way to implement a real time spectrogram?

matlab fft audio frequency-spectrum java

modified Oct 9 at 20:03 Community♦ 1

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Non-physical peaks from the Fourier transform process

fft

answered Oct 8 at 14:24 hotpaw2 26.9k

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Difference between 2D DFT's and 1D DFT's of Linearized Matrices

image-processing fft fourier-transform dft

modified Oct 7 at 20:16 Royi 8,908

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Using a Butterworth high-pass filter together with Fast Fourier transform

fft butterworth

modified Oct 3 at 12:35 Lyngbakr 111

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