航路上等待 的英文怎麼說

中文拼音 [hángshàngděngdāi]
航路上等待 英文
holding en-route
  • : Ⅰ名詞(船) boat; shipⅡ動詞(航行) navigate (by water or air); sail
  • : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
  • : 上名詞[語言學] (指上聲) falling-rising tone
  • : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
  • : 待動詞[口語] (停留) stay
  • 航路 : air or sea route; route; [航海學] track; seaway; fairway; [航空] airway; air line航路標志 route markings
  1. This is the fifth biggest spread media after " newspaper, journal, broadcast and tv ". this is not only a large - scale color television set, but also a large - scale color computer display. it can play all kinds of color tv image, letters and drawing figures all the day, these new information dissemination was broadly used in public like large - scale palaestra, exhibition gallery and station place etc. the huge color image which is up to hundred square meters can be watched by over 10000 people at the same time

    國內led顯示屏市場保持續增長,主要集中應用於證件交易金融信息顯示機場班動態信息顯示港口車站旅客引導信息顯示,體育場館信息顯示道交通信息顯示調度指揮中心信息顯示,郵政電信商場購物中心服務領域的業務宣傳及信息顯示,廣告媒體新產品,演出和集會,展覽和租賃國際led顯示屏的應用范圍主要集中在戶外廣告和體育,其次是交通和演出,另外包括展覽租賃集會和各種場合。
  2. 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 )

    主要研究內容包括:一、總結分析了當前水下導的常用方法和不足之處,指出基於位推算的導方法,存在著最大的問題就是導誤差的積累問題,如果沒有修正系統,這種方法很難滿足使用要求;其次指出基於聲學的導方法,造價昂貴,導范圍有限,難以滿足自主水下行器大范圍導的需求;二、總結了當前水下地形輔助導的主要技術線,一是基於地形高程的匹配方法,這是當前研究的重點;二是基於地形圖像的匹配方法,由於缺乏良好的圖像傳感器,和可用的海底圖像地圖,目前這種方法還有研究發展;三、將兩種地形高程匹配的常用方法應用到自主水下行器:以相關演算法為前提的地形輪廓匹配( tercom )方法和以卡爾曼濾波為基礎的桑迪亞慣性地形輔助導( sitan )方法,前者演算法簡單可靠,但是導精度不高,後者雖然精度比較高,但存在著演算法較為復雜、有可能發散和出現奇異值問題。
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