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Adaptive "chirplet" transform: an adaptive generalization of the ...
WebABSTRACT Time-frequency analysis (TFA) has been widely used in seismic processing and interpretation. A good time-frequency representation can preferably characterize geologic spatial distribution and detect hydrocarbon reservoir anomalies. This paper applies a robust seismic TFA method based on the general linear chirplet transform (GLCT). The GLCT … WebNov 28, 2024 · We have used the asymmetric Gaussian chirplet model (AGCM) and established a dictionary-free variant of the orthogonal matching pursuit, a greedy algorithm for sparse approximation of seismic traces. Reference: F. Bossmann, J. Ma, Asymmetric chirplet transform for sparse representation of seismic data, Geophysics, 2015, 80 (6), … smallest 15 inch gaming laptop
A Nonlinear Hanning-Windowed Chirplet Model for Ultrasonic
WebMay 2, 2015 · A novel time-frequency analysis (TFA) method is proposed, which is called as general linear chirplet transform (GLCT). The corresponding paper "General linear chirplet transform" has been submitted to MSSP. We want to develop an effective TFA method, which can chracterize the signal of multi-component with distinct time-varying … WebOct 1, 2024 · The approach is based on the double-adaptive chirplet transform, providing optimal analysis window parameters, which is a crucial problem during TF processing. The presented methodology is based on a Gaussian window with two degrees of freedom, which results in a strong concentration of energy on the TF plane around the main component, … WebJul 29, 2024 · Adaptive Linear Chirplet Transform for Analyzing Signals with Crossing Frequency Trajectories. IEEE Transactions on Industrial Electronics, 1–1. Institute of Electrical and Electronics Engineers (IEEE). smallest 144hz monitor