A Direct Approach to Separate Forward-Scattered Waves from the Direct Blast in Doppler Domain for Forward-Scattering Detection

Chuanlin He, Kunde Yang, Yuanliang Ma, Bo Lei

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2 引用 (Scopus)

摘要

Forward-scattered waves are often interfered with and overwhelmed by direct blasts when a submerged target crosses the source-receiver line. The approach named low Doppler analysis and recording gram (LODARGRAM) is developed to separate forward-scattered waves from direct blasts in the Doppler domain. This separation, which is based on the kinetic characteristic of the target and the procedure, is conducted using a sliding Blackman window combined with fast Fourier transform. The concept along with its application is validated using the data collected in a tank experiment. The moving target is recognized and identified by a tilt striation on LODARGRAM. Limitations of the LODARGRAM approach are also discussed.

源语言英语
文章编号1750036
期刊Journal of Theoretical and Computational Acoustics
26
1
DOI
出版状态已出版 - 1 3月 2018

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