approach navigation 中文意思是什麼

approach navigation 解釋
進場導航
  • approach : vt 1 向…接近，走近；使接近。2 探討；看待，對待，處理。3 向…接洽[提議]。4 〈美國〉企圖收買。vi 臨...
  • 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. A design of beidou / changhe integrated navigation system was reserched and its implemental approach was discussed

    摘要為了提升北斗與長河各自的功能，研究了北斗長河組合導航系統的系統設計及實現方法。
  2. This paper discuss the accelerometer base on mutual inductance variety for filling up the blank in silicon accelerometer of home, boosting up the onrush of weapon, improving the precision of navigation system is very importance, at one time, for taping the big measure rang accelerometer provide a new technology approach

    本文論述的基於互感變化的硅加速度計對于填補國內硅加速度計空白，增強武器的突防能力，提高慣導系統的精確性是非常重要的，同時為開發大量程加速度計提供了新的技術途徑。
  3. 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。
  4. With argumentation system and differential system, gnss is capable of supporting en route flight and cat iii precision approach. this system can meet the need of all flight phases in terms of integrity, precision and continuity. with the application of area navigation and required navigation performance ( rnp ), this would make the parallel route, random route and direct flight route possible, and also improves the efficiency of air space and the flight safety

    在導航系統中，全球衛星導航系統是其主要成分，通過增強系統和差分技術， gnss具有支持從航路飛行到類精密進近的能力，在完好性、精度、可用性、連續性上都可以滿足飛行各階段的要求；隨著區域導航和所需導航性能的實施，平行航路、隨機航路和起點和終點之間的大圓航線直飛得以實現，提高了空域利用率和飛行安全。
  5. The fusion of stereo vision and laser - radar ( ladar ) is also studied preliminarily in the background of alv navigation. by introducing the ladar data into the height prediction before matching, the fusion can occur on data layer. we have also found and practiced a feature layer fusion method based on dempster - shafer evidential reasoning approach

    將激光雷達的測量結果引入立體匹配前的高度預測中，提出了立體視覺與激光雷達在數據層上的信息融合方法;基於d - s證據理論，提出了立體視覺與激光雷達在特徵層上的信息融合方法。
  6. The second part studies optimal pure proportional navigation ( ppn ), with time - dependent gain of navigation to maneuvering target based on proportional navigation theory. optimal gain of navigation is constant for ppn without maneuvering ; based on this, solution of time - dependent gain of navigation is given by iteration approach, and the time required for capture is given, the times of iteration is decided by comparing this time with the iteration step

    對目標機動的追逃問題，考慮導航增益可為任意實數，且隨時間和初始條件改變，這一思想是建立在目標非機動的純比例導引制導規律，最佳導航增益為常數的基礎之上，利用迭代的方法，給出了時變的導航增益的求解方法，並給出了實現捕獲所需的時間，用此時間與迭代步長進行比較，判定迭代次數。
  7. Borrowing the traditional two - speed approach originally developed in conventional attitude integration, we design one new numerical integration algorithm to solve the three kinematic equations. the new navigation algorithm based on dual quaternion is thus constituted

    借鑒成熟的姿態四元數積分的雙速演算法結構，設計了一個數值積分演算法求解以上三個運動學方程，構建了基於對偶四元數的捷聯慣性導航演算法。
  8. The point of the last minute action is a important method to evaluate the ships collision risk. it is a very important concept not only in navigation practice area, but also in the intelligent decision ? making system for ship collision avoidance. when from any cause, the two ships approach so close that collision can not be avoided by the action of the give ? ay vessel alone, the captain of the stand ? n vessel should take such action as will best aid to avoid collision

    最晚施舵點是對船舶存在碰撞危險進行評價的一種重要手段。無論是在航海實踐中，還是在船舶避碰智能決策系統的研究中，都是一個非常重要的概念。當兩船接近到單憑讓路船的行動不能避免碰撞時，依照船長的判斷採取最有助於避碰的行動，不僅成為直航船的權利，也是直航船的義務。
  9. Based on object - oriented modeling language aml, the paper presents an approach for navigation among multiple view software models

    摘要基於面向對象建模語言aml ，開發了一種在軟體模型中實現動態導航的方法。
  10. Abstract : based on the results of hydraulic model test and remote - control ship model, the unsteady flow characteristics in the downstream approach channel and the reaches from three gorges project to gezhouba project and navigation conditions in these reaches during the tgp flood - discharge are analyzed. the measures of raising navigation discharge level and improving navigation conditions are given

    文摘:根據水工模型試驗成果，分析了三峽工程泄洪時壩下游引航道和兩壩間河段（三峽至葛洲壩）的非恆定波流運動特性，結合遙控自航船模試驗對兩壩間的通航水流條件進行了分析評價，並提出了提高通航流量標準、改善通航條件的相應措施。
  11. Simulation and experiment of a hybrid dgps ins navigation system for uav approach and landing

    導航及引導系統的模擬與試驗研究
  12. The approach facilitates access to a software model by mapping the multiple views of the model to an integrated underlying representation and providing some dynamic navigation algorithms

    這種方法通過將軟體模型不同側面的視圖映射到一種集成支撐表示中，提供動態導航演算法，從而實現軟體開發者同時對軟體系統不同側面模型的訪問。
  13. Then the approach of data fusion and coordination based on the two - ccd system to implement navigation of soccer robot are analyzed in detail

    然後重點分析了基於雙目協調的足球機器人導航數據融合方法和雙目協調機理。
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