脉冲波环形阵列的有限衍射图

2002 IEEE Ultrasonics Symposium, 2002. Proceedings. Pub Date : 2002-10-08 DOI:10.1109/ULTSYM.2002.1193457

Paul D Fox

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引用次数: 0

摘要

给出了一种将平面脉冲波环形阵列的线性场分解为一组已知的有限衍射贝塞尔光束的等效过程。每个贝塞尔光束以已知的特性传播，从而可以很好地了解环形场的传播。文中给出了在水中以2.5 MHz中心频率工作的10环环形阵列的数值例子。

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Limited diffraction maps for pulsed wave annular arrays

A procedure is provided for decomposing the linear field of flat pulsed wave annular arrays into an equivalent set of known limited diffraction Bessel beams. Each Bessel beam propagates with known characteristics, enabling good insight into the propagation of annular fields to be obtained. Numerical examples are given in the context of a 10-ring annular array operating at a central frequency of 2.5 MHz in water.

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2002 IEEE Ultrasonics Symposium, 2002. Proceedings.

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