Adaptive Optimal Kernel

Version 1.0.0.0 (109 KB) by Tony Reina
An Adaptive Optimal-Kernel Time-Frequency Representation
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Updated 31 Mar 2016

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A time-frequency representation which uses a signal-dependent, radially Gaussian kernel that adapts over time. The code provides an excellent ambiguity domain filter for time-frequency analysis.
Just run the script main_AOK.m to see it in action. The test signal includes three impulses, two simultaneous sinusoids, a Gaussian pulse, and two parallel linear chirps.

The algorithms are described in detail in the paper:
"An Adaptive Optimal-Kernel Time-Frequency Representation" by D. L. Jones and R. G. Baraniuk, IEEE Transactions on Signal Processing, Vol. 43, No. 10, pp. 2361--2371, October 1995.

Special thanks to Richard Baraniuk for making the original C code available.

Cite As

Tony Reina (2026). Adaptive Optimal Kernel (https://uk.mathworks.com/matlabcentral/fileexchange/13869-adaptive-optimal-kernel), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R14SP2
Compatible with any release
Platform Compatibility
Windows macOS Linux
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1.0.0.0

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BSD License