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Method and apparatus for acoustic scanning using bulk wave scattering of bulk waves by an acoustic grating
Method and apparatus for acoustic scanning using bulk wave scattering of bulk waves by an acoustic grating
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机译:使用通过声光栅的体波的体波散射进行声波扫描的方法和设备
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摘要
Electronically focused and automatically scanning acoustic bulk waves are produced by scattering chirp acoustic bulk waves at grazing incidence from an acoustic grating. The same apparatus may be used in reverse to convert diverging acoustic bulk waves produced by a focused beam into chirp acoustic bulk waves. A pulse compression filter then converts the chirp waves into signals describing the source.
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