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Focal Point Determination Based on Nonlinear Mixing of Sound Beams
Focal Point Determination Based on Nonlinear Mixing of Sound Beams
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机译:基于声束非线性混合的焦点确定
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摘要
Systems, methods, and mechanisms for sound beam focal point determination within an acoustic medium may include propagating a first sound beam to intersect a second sound beam, where the second sound beam converges at a focal point. The first and second sound beams may originate from known locations. A direction of the first sound beam within the acoustic medium may be adjusted to produce a maximum amplitude of signals generated from nonlinear mixing of the first sound beam and the second sound beam, where the maximum amplitude may correspond to the intersection of the first sound beam with the focal point of the second sound beam. A location of the intersection may be determined, at least in some instances, based on the known locations, the adjusted direction of the first sound beam, and a direction of the second sound beam.
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