chirplet

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chirplet

[′chərp·lət]
(mathematics)
A wavelet whose instantaneous frequency drifts upward or downward at a fixed rate throughout its duration.
References in periodicals archive ?
9] recently examined Lamb wave modal attenuation with propagation distance by comparing the results from a chirplet transform (CT) to those from a short-time Fourier transform (STFT).
Jacobs, "Attenuation analysis of Lamb waves using the chirplet transform," EURASIP Journal on Advances in Signal Processing, Vol.