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Focal Length Controllable Ultrasonic Array Transducer with Adjustable Curvature

机译:曲率可调的焦距可控超声阵列传感器

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摘要

In the underwater imaging field, the control of the focal length of a transducer is very useful. As one of the control methods, we suggested an ultrasonic array transducer with adjustable curvature by using air pressure. The curvature of the transducer was investigated according to the air pressure level in the back space of the transducer. Concave-, planar-, and convex-type transducers were obtained with different air pressure levels. The acoustic fields of the transducer were measured for different shapes of the radiation surface.
机译:在水下成像领域,控制换能器的焦距非常有用。作为控制方法之一,我们提出了一种利用气压可调节曲率的超声阵列换能器。根据换能器后部空间中的气压水平研究换能器的曲率。凹型,平面型和凸型换能器的气压水平不同。针对辐射表面的不同形状测量换能器的声场。

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  • 来源
    《Japanese journal of applied physics》 |2012年第7issue2期|p.07GC02.1-07GC02.2|共2页
  • 作者单位

    Media Engineering, Tongmyong University, Susan 608-711, Korea;

    Department of Physics, Pukyong National University, Susan 608-737, Korea Media;

    Department of Physics, Pukyong National University, Susan 608-737, Korea Media;

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