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Sequential Parameter Estimation Using Modal Dispersion Curves in Shallow Water
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作者 Xue-Dong Zhang Li-Xin Wu +1 位作者 Hai-Qiang Niu Ren-He Zhang 《Chinese Physics Letters》 SCIE CAS CSCD 2018年第4期56-60,共5页
Existing sequential parameter estimation methods use the acoustic pressure of a line array as observations. The modal dispersion curves are employed to estimate the sound speed profile(SSP) and geoacoustic parameter... Existing sequential parameter estimation methods use the acoustic pressure of a line array as observations. The modal dispersion curves are employed to estimate the sound speed profile(SSP) and geoacoustic parameters based on the ensemble Kalman filter. The warping transform is implemented to the signals received by a single hydrophone to obtain the dispersion curves. The experimental data are collected at a range-independent shallow water site in the South China Sea. The results indicate that the SSPs are well estimated and the geoacoustic parameters are also well determined. Comparisons of the observed and estimated modal dispersion curves show good agreement. 展开更多
关键词 Sequential parameter estimation Using modal Dispersion Curves in Shallow Water
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