dead reckoning navigation 中文意思是什麼

dead reckoning navigation 解釋
航跡導航圖
  • dead : adj 1 死的；無生命的，無生物的。2 無感覺的。3 （炭等）已熄滅的；無生氣的，呆滯的，停頓的；冷落的...
  • reckoning : n. 1. 計算，算賬，結算；估計；（酒館等的）賬單。2. 報應，懲罰。3. 【航海】（由天文觀測的）船位推算。
  • navigation : n. 1. 航行；導航；領航；航海[航空]術。2. 〈集合詞〉船。3. 〈古語〉航路；海上交通。adj. -al
  1. 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航的常用方法和不足之處，指出基於航位推算的導航方法，存在著最大的問題就是導航誤差的積累問題，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航方法，造價昂貴，導航范圍有限，難以滿足自主水下航行器大范圍導航的需求；二、總結了當前水下地形輔助導航的主要技術路線，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，目前這種方法還有待研究發展；三、將兩種地形高程匹配的常用方法應用到自主水下航行器上：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航（ sitan ）方法，前者演算法簡單可靠，但是導航精度不高，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等問題。
  2. Fundamentally an inertial navigation system is a dead-reckoning system with a very significant characteristic which differentiates it from more conventional dead-reckoning equipment.

    原則上慣性導航系統是一種航行推算系統，與一般的航行推算裝置不同，它具有極明顯的特點。
  3. Usually, there are three available accesses for location underwater, inertial navigation, dead reckoning navigation, acoustic tracking location

    從目前來看，應用於水下導航的方法主要有：慣性導航、船位推算導航、水聲定位系統等方法。
  4. Dead reckoning navigation needs little space, but has high precision. the paper solves the navigation system of " tset - 1 " auv based on the sensors available, and a compact soft has been developed. some experience has gotten during the song hua lake " s test

    本文針對「試驗- 1號」小型機器人導航系統要求和傳感器的配備情況，從工程實用性出發，完成了導航軟體的開發，並進行了松花湖試驗，這為今後水下機器人導航系統的研究與應用提供了有益的借鑒，積累了一定的經驗。
  5. Research on the dead reckoning method applied to the autonomous navigation of autonomous underwater vehicles

    自主導航航位推算演算法的分析研究
  6. We now have a dead reckoning system ( see prototype screenshot on figure 2 ), named after the ancient naval navigation techniques used when the stars were not visible

    現在我們就有了一個導航預測系統，該系統以古代航海學上在星星不可見時用來導航的技術而命名。
  7. Most car navigation systems estimate the car position from the dead reckoning and the global positioning system ( gps ). however, in combining the gps and dead reckoning, the kalman filter can be used. the estimated position by the kalman filter is proved to be optimal if the system is linear and the noise is white gaussian

    車載自主導航系統主要是利用gps / dr （全球定位系統/航位推算）導航定位器來提供位置和速度信息。雖然用gps / dr組合導航系統進行車載導航，能夠有效的減少由gps導航所造成的誤差。
  8. In the management of city transportation, navigation of satellite cannot meet the practical requirement because of shielding and interfering of satellite signal. therefore, map matching and dead - reckoning ( dr ) is used to assistant navigation. this combination is defined as gps / dr integrated navigation system, in which the map matching is used for correcting the orientation and distance errors of dr

    而在城市交通管理的應用中，由於衛星定位信號經常會受到建築物的遮擋和干擾，衛星定位無法滿足導航的實際要求，通常需用地圖匹配和航位推算器（ dead - reckoning ， dr ）的方法進行輔助導航，這種導航方式稱為組合導航系統，其中地圖匹配可用來修正dr的方向和距離的系統誤差，以便在衛星信號失鎖時，提高dr自主定位的精度。
  9. After comparing all kinds of vehicle navigation system, the thesis use dead reckoning as the way of military amphibious vechicle position and direction

    論文在對多種車輛定位定向原理進行研究和比較的基礎上，選擇航位推算方法來實現軍用兩棲作戰車的定位定向。
分享友人
分享到 Line

分享到臉書