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单词 acoustic shadow
释义

acoustic shadow


acoustic shadow

[ə′küs·tik ′shad·ō] (acoustics) A region immediately behind an object placed in the path of a sound wave whose wavelength is much smaller than the object, in which the initial sound wave is cut off by the object and the sound intensity is determined by the diffraction and interference of sound waves bent around the obstacle.

acoustic shadow


a·cous·tic shad·ow

sonographic appearance of reduced echo amplitude from regions lying beyond an attenuating object. Compare: acoustic enhancement.
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更新时间:2025/3/16 9:18:57