文章摘要
李颂文.不同波束形成的参量阵近场比较[J].声学技术,2001,(2):81~83
不同波束形成的参量阵近场比较
Comparison of nearfields of several kinds of parametric array
投稿时间:2000-01-26  修订日期:2000-08-30
DOI:
中文关键词: 聚焦阵  非衍射阵  参量阵
英文关键词: focus beam  nondiffracting beam  parametric array
基金项目:
作者单位
李颂文 中国科学院东海研究站, 上海 200032 
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中文摘要:
      文章采用KZK方程数值求解均匀平面阵、聚焦阵及非衍射阵形成的参量阵波束近场声场,比较了不同波束声轴上的原、差频声压级及声截面。
英文摘要:
      The nearfields of parametric array produced by circular focus beam,circular uniform beam and nondiffracting beam was calculated by using KZK equation.The numeric result of the sound levels with difference frequency on the sound axises and the beam patterns were analyzed.
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