QT GUI Fast Auto-Correlator Sink

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This block uses the Wiener Khinchin theorem that the FFT of a signal's power spectrum is its auto-correlation function.

FAC Size controls the FFT size and therefore the length of time (samp_rate/fac_size) the auto-correlation runs over.
Added in 3.9

Parameters[edit]

(R): Run-time adjustable

Sample Rate
default: samp_rate
FAC Size
FAC Size controls the FFT size (default: 512)
FAC Decimation
default: 10
Output
options: [dB, Normalized]
Title
display title
Show Grid
options: [Yes, No]
Auto-Scale
options: [Yes, No]
Y Min
default: 0
Y Max
default: 1

See GUI Hint for how to position the GUI within a window.

Example Flowgraph[edit]

This flowgraph can be found at [1]

Test autocorrelator fg.png

Example Output[edit]

Test autocorrelator out.png

Source Files[edit]

C++ files
TODO
Header files
TODO
Public header files
TODO
Block definition
TODO