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- W2348161087 abstract "Because high order statistics has the virtue of depressing gauss noise, this paper uses bispectrum as the mathematics tool of Chirp signal time delay estimation in pretreatment of controlled vibrator shallow layer seismic exploration data. The simulation results show that the method of bispectrum can well depress noise. It can detect the Chirp signals from the received signals of 2 db and estimate their time delay accurately. Contrast of the results from methods of bispectrum and traditional correlation method are given in this paper which shows that the former has a better effect than the latter." @default.
- W2348161087 created "2016-06-24" @default.
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- W2348161087 date "2003-01-01" @default.
- W2348161087 modified "2023-09-25" @default.
- W2348161087 title "The Application of Bispectrum on Time-Delay Estimation in Pretreatment of Vibroseis Data" @default.
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