单词 | thermoacoustic array |
释义 | thermoacoustic array [¦thǝr·mō·ǝ¦kü·stik ǝ`rā] ACOUSTICS A sound source consisting of a light beam (usually a laser beam) modulated at the frequency of the sound to be generated; the resulting sound has its maximum value in a direction perpendicular to the axis of the light beam, and its directivity pattern has no side lobes. |
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