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Giyung Choi on Muck Rack

Giyung Choi

As seen in: MDPI
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Articles

Ray-Based Analysis of Subcritical Scattering from Buried Target

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By Sung-Hoon Byun, Yeon-Seong Choo, Giyung Choi, Keunhwa Lee
| MDPI
Abstract : A ray approach is used to simulate subcritical scattering from a buried target at low-to-high frequencies (100 Hz–15 kHz). A penetrating wave at a subcritical angle decays along the depth at the bottom (i.e., evanescent wave) and propagates horizontally at a subcritical angle-dependent speed lower than the sound speed of the bottom. The corresponding target strength (TS) is distinguished from that of a standard plane wave.
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