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- W2384007269 abstract "In order to get better time-frequency analysis results of Micro-Doppler precession signals,this paper tries to analyze precession signals in the aspect of time-frequency through a Gabor-PWVD joint timefrequency analysis.Firstly,the method is used to get two arrays through performing Gabor transform and PWVD transform in precession signals,and make them do point multiplication.When signal items remain in both of them,the point multiplication result can be obtained.If the Gabor transform area in correspondance with the PWVD cross terms area has no value,the result of the point multiplication is zero.The simulation results show that the use of Gabor-PWVD joint time-frequency analysis method can get better time-frequency distribution without containing cross terms and have a good time-frequency clustering at the same time.Compared with the theoretical values,the periodic feature extracted by Hough transform to the Gabor and Gabor-PWVD time-frequency chart shows that the error decreases from 2%to 1.8%,and this verifies that the Gabor-PWVD is superior in performance." @default.
- W2384007269 created "2016-06-24" @default.
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- W2384007269 date "2014-01-01" @default.
- W2384007269 modified "2023-09-23" @default.
- W2384007269 title "Micro-Doppler Time-Frequency Analysis and Simulation on Precession Target by Gabor-PWVD Transform" @default.
- W2384007269 hasPublicationYear "2014" @default.
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