| 汪欣,钱斌,王广恩.不等间距线列阵波束形成[J].声学技术,2010,(1):90~93 |
| 不等间距线列阵波束形成 |
| Unequally spaced linear array beamforming |
| 投稿时间：2008-12-20 修订日期：2009-02-25 |
| DOI： |
| 中文关键词: z变换 波束形成 不等间距布阵 |
| 英文关键词: z transform beamforming unequally spaced array |
| 基金项目: |
|
| 摘要点击次数: 1156 |
| 全文下载次数: 956 |
| 中文摘要: |
| 介绍了不等间距波束形成的基本原理和分析方法,分别计算了10元、16元和32元线列阵阵元不等间距分布时的波束图。采用z变换的方法,将等间距幅度加权的波束形成的幅值分布转化为不等间距波束形成的距离分布。仿真结果表明该方法对于第一、第二旁瓣的抑制较好,并且主瓣并未明显展宽。 |
| 英文摘要: |
| This paper introduces an analyzing method and principle of unequally spaced linear arrays beamforming,caculates unequally spaced array beamforming of 10 elements,16 and elements,32 elements.By using z-transform,this paper tries to reveal the relationship between the equally spaced beamforming with weighted amplitudes and unequally spaced beamforming,and gives the fomulae of weighted amplitudes transformed to unequally spaced beamforming.Simulation shows that the method can reduce the first and second sidelobes,and doesn't widen the mainlobe. |
|
查看全文
查看/发表评论 下载PDF阅读器 |
| 关闭 |
|
|
|
