文章摘要
王伟,倪明,许将明,候静.室内五元十字阵被动声定位[J].声学技术,2011,(1):102~106
室内五元十字阵被动声定位
Passive localization of indoor acoustic target by five-element cross array
投稿时间:2010-02-08  修订日期:2010-05-08
DOI:
中文关键词: 五元十字阵  被动声定位  精度分析  定位实验
英文关键词: five-element cross array  passive localization  precision analysis  experiment of localization
基金项目:国家自然科学基金
作者单位E-mail
王伟 国防科学技术大学光电工程学院, 长沙, 410073 576183129@qq.com 
倪明 国防科学技术大学光电工程学院, 长沙, 410073  
许将明 国防科学技术大学光电工程学院, 长沙, 410073  
候静 国防科学技术大学光电工程学院, 长沙, 410073  
摘要点击次数: 2011
全文下载次数: 1367
中文摘要:
      研究了在室内利用五元十字阵实现被动声定位方法。提出了目标象限判断方法,俯仰角修正方法,近距离精度计算修正方法,给出了距离和方位角精度计算表达式以及俯仰角和目标定位精度数值模拟结果。文章在一定条件下做了定位误差仿真,仿真结果表明精度修正计算方法合理有效。在实验室中成功地做了近距离静止小目标精确定位实验。在大约2m的距离内定位误差约为5cm。定位结果表明,室内五元十字阵被动声定位的定位精度和理论推导及仿真一致,证明五元十字阵能成功应用于室内被动声目标定位,为近距离低空目标精确探测定位提供了一个行之有效的办法。
英文摘要:
      The research on passive localization of indoor acoustic targets by five-element cross array has been done.Target’s quadrant differentiating rule,pitching angle revision and precision of localization revision are studied respectively.Expression of distance precision,expression of azimuth precision,contour map of pitching angle precision,and contour map of localization precision are presented.Error of localization was simulated in likely condition.it proofed that the revision of precision localization is reasonable and effective.An indoor localization experiment of a small immobile target has been done successfully.Localized error is less than five centimeters in the distance of two meters.The results of the experiment indicate that the precision of passive localization of indoor acoustic targets by five-element cross array is consistent with the theory and simulation.It proves that the five-element cross array can be used to actualize passive localization of indoor acoustic targets.An effective method for detecting close target is provided.
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