Discrete-time cross-correlogram
Computes cross- or auto-correlograms between two discrete time series, supplied as a list of timestamps.
[tsOffsets, ts1idx, ts2idx] = crosscorrelogram(ts1, ts2, window)
INPUTS:
ts1 - a list of timestamps (in seconds) to use as the reference of the cross-correlogram
ts2 - timestamps (in seconds) used to create the cross-correlogram, compared against ts1
window - a length-2 vector specifying the width of the correlogram to compute, in seconds.
OUTPUTS:
tsOffsets - a list of offsets from timestamps in ts2 to their nearest timestamp in ts1.
ts1idx - an index for each offset in tsOffsets into ts1.
ts2idx - an index for each offset in tsOffsets into ts2.
USAGE:
% Create a dummy time series where one leads the other by 0.3 seconds
ts1 = sort(rand(1000,1)*1000);
ts2 = ts1 + 0.3;
% Calculate the cross-correlogram between the two signals with a 0.5 second window, starting at each spike time in ts1
offsets = crosscorrelogram(ts1, ts2, [0 0.5]);
hist(offsets, 100);
Zitieren als
Alex Wiltschko (2024). Discrete-time cross-correlogram (https://www.mathworks.com/matlabcentral/fileexchange/28566-discrete-time-cross-correlogram), MATLAB Central File Exchange. Abgerufen .
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Inspiriert: rookpoly(Pcoef)
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Version | Veröffentlicht | Versionshinweise | |
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1.2.0.0 | corrected grammar in snarky summary description |
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1.1.0.0 | Removed extraneous variables (more cleanup will occur in the future) |
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1.0.0.0 |