Digital prolate spheroidal window-based S-transform for time-varying harmonic analysis

Jianmin Li,Haijun Lin,Zhaosheng Teng,Fu Zhang,Chengbin Liang

Electric Power Systems Research（2020）

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摘要

•A novel digital prolate spheroidal window-based S-transform is proposed for time-varying harmonic analysis.•The prolate spheroidal window is used as the kernel function of digital prolate spheroidal window-based S-transform (DPSWST).•The time-frequency analysis (TFA) capacity of DPSWST is compared with other TFA methods.•Hardware implementation of the DPSWST is constructed to validate its performance.

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关键词

Harmonic analysis,Power system,Time-frequency analysis,S transform,Digital prolate spheroidal window

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