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acoustic navigation中文是什么意思

发音:  
用"acoustic navigation"造句"acoustic navigation"怎么读"acoustic navigation" in a sentence

中文翻译手机手机版

  • 声导航
  • 声纳导航
  • 声响导航
  • 声响航法
  • 声学导航
  • 音响导航

例句与用法

  • In this paper , the main research works are as follows : 1 ) survey and analysis previous work in auv navigation and summarize : as the cumulate error , the dead - reckoning and inertial navigation systems ca n ' t be used without other modified system ; the acoustic navigation system is used only in small range , and is very expensive . 2 ) two important approaches in geophysical navigation techniques are summarized , one is terrain contour based navigation , this approach is investigated keystone today ; the other is image based navigation , due to no perfect image sensors and image seabed map , this approach has seldom been practised . 3 ) two important terrain contour based navigation algorithms has been applied to auv , one is match algorithm - based terrain contour match ( tercom ) ; the other is kalman filter - based sandia inertia terrain - aided navigation ( sitan )
    主要研究内容包括:一、总结分析了当前水下导航的常用方法和不足之处,指出基于航位推算的导航方法,存在着最大的问题就是导航误差的积累问题,如果没有修正系统,这种方法很难满足使用要求;其次指出基于声学的导航方法,造价昂贵,导航范围有限,难以满足自主水下航行器大范围导航的需求;二、总结了当前水下地形辅助导航的主要技术路线,一是基于地形高程的匹配方法,这是当前研究的重点;二是基于地形图像的匹配方法,由于缺乏良好的图像传感器,和可用的海底图像地图,目前这种方法还有待研究发展;三、将两种地形高程匹配的常用方法应用到自主水下航行器上:以相关算法为前提的地形轮廓匹配( tercom )方法和以卡尔曼滤波为基础的桑迪亚惯性地形辅助导航( sitan )方法,前者算法简单可靠,但是导航精度不高,后者虽然精度比较高,但存在着算法较为复杂、有可能发散和出现奇异值等问题。
用"acoustic navigation"造句  

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