航線研究 的英文怎麼說

中文拼音 [hángxiànyánjiū]
航線研究 英文
route study
  • : Ⅰ名詞(船) boat; shipⅡ動詞(航行) navigate (by water or air); sail
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • : 研同 「硯」
  • : Ⅰ動詞(仔細推求; 追查) study carefully; go into; investigate Ⅱ副詞[書面語] (到底; 究竟) actually; really; after all
  • 航線 : air line; air route; route; airway; shipping line; way; itinerary; azimuth; pathway; trajectory; ...
  • 研究 : 1. (探求) study; research 2. (考慮或商討) consider; discuss; deliberate
  1. Vsp is both a pivotal tache in logistic distribution optimization and indispensable in electronic commerce. it can increase logistic economic benefit and realize logistic rationalization. the systemic study on the theory and method of vsp is the base on the growth of logistic intensivism, the establishment of modem chain of command, the development of its and ec. now, the problem is not only applied to the field of auto transportation, but also to ship avigation communication electricity industry management computer application etc. the algorithm has been applied into many combinatorial optimization problems such as the trainman ' s shift arrangement in avigation the optimization design of cargo arrangement in ship company

    對貨運車輛進行調度優化,可以提高物流經濟效益、實現物流科學化。對貨運車輛調度優化理論與方法進行系統是物流集約化發展、建立現代調度指揮系統、發展智能交通運輸系統和開展電子商務的基礎。目前,問題的形式已有很大發展,該問題以不僅僅局限於汽車運輸領域,在水運、空、通訊、電力、工業管理、計算機應用等領域也有一定的應用,其演算法已用於空乘務員輪班安排、輪船公司運送貨物經過港口與貨物安排的優化設計、交通車路安排、生產系統中的計劃與控制等多種組合優化問題。
  2. In this dissertation, through computer simulation, the problems of modeling, control and guidance of auvs are presented. the first part of this dissertation addresses the problem of dynamically modeling of auvs, and derives thrusters " two - dimension nonlinear dynamic model, which has axial flow speed and propeller rotational velocity as two state variables, voltage or current of motor as inputs, and thruster force and torque as output. the second part focuses on the nonlinear adaptive sliding mode control of auvs in diving plane and steering plane

    本論文系統了自主式水下行器的建模、非性自適應滑模控制、以及深度調整和水平面導引方法等問題,具體成果和創新點如下1 、根據流體力學理論,建立了螺旋槳推進器的動態模型,它以螺旋槳來流速度v _ p和螺旋槳轉速n為狀態變量,以電機施加轉矩為輸入,螺旋槳推力t和轉矩q為輸出。
  3. It is a new way in the development of aircraft flight line maintenance expert system. expertise and fault isolation manual that help maintainers quickly find fault causes and failure components were adopted to a great extent

    充分利用維修專家的經驗並結合飛機排故手冊,幫助維護人員快速準確地根據飛機故障現象定位故障原因及故障部件。
  4. In order to make the terminal airspace moderated and consisted, and acquire the biggest capacity of airport, we must consider the influencing factors as many as possible, it is our final target to plan the airspace in beijing terminal unify. with the conditions that the current operation modes of parallel runway, approach and departure procedures and terminal airspace in beijing international airport, this article has analyzed the reasons of airspace congestion. this article also applies the theory of instrument flight procedure and utilizes the current facilities in beijing international airport. the design of flight procedures combining rnav procedures with instrument approach procedures may be accepted on some routes. it make the approach and departure procedure more effective, and increase the capacity of the airport more or less ; secondly, this article contrast the capacities of parallel runway in different methods under radar control, and make the conclusion that the parallel runway in dependent operation modes has the biggest capacity

    本文從目前首都機場平行跑道的運行方式、進離場程序、終端區空域的現狀入手,剖析了造成空域緊張的原因,應用儀表飛行程序設計的思想和原則,利用首都機場終端區現有的設施,某些可採用區域導( rnav )程序與儀表進近程序相結合的飛行程序設計,優化了目前首都機場的進離場程序,在一定程度上增加了機場容量;其次,了雷達管制條件下平行跑道不同運行方式的容量對比,得出平行跑道獨立運行的容量最大,然後以這種這種運行方式,為首都機場設計出了平行跑道獨立運行的飛行程序;最後,分析北京終端區各機場空域對首都機場飛行程序安全、有效運行的制約因素,設計出了北京終端區規劃方案及規劃后的飛行程序和飛行方法,以達到增大機場的容量,適應未來班量增加的需求。
  5. Such research can lead to a new flight procedure design methodology, which copes with these problems and makes strong economical senses. under the guidance of aviation safety, efficiency, regularity and economy, this thesis applies the principle of the instrument flight procedure, firstly, to research the current vor / dme instrument flight procedure, namely the vor / dme instrument flight procedure ( vor / dmf. ifp ), its holding procedures, departure routes, arrival routes, and approach procedures, cor the terminal airspace

    本文在安全、效率、正常和經濟的原則下,運用儀表飛行程序設計的思想和原則,首先對在vor / dme導臺上建立儀表進場、等待程序、儀表進近程序和儀表離場等機場空域內的飛行程序的設計方法進行了,總結出不同位置的vor / dme儀表飛行程序的布局形式、適用情況及其優缺點,並首次提出了以vor / dme為基準的封閉圓弧進近程序;其次,了基於vor / dme導臺的區域導飛行程序的設計方法;最後,了在現有的vor / dme儀表飛行程序上建立區域導飛行程序的設計方法。
  6. Disigning coolant channel on the firebox of liquid rocket engine to loxodrome ( equal - angle helix ) groove can improve firebox coolant capability greatly. because the width dimension of loxodrome groove is narrow and the depth is deep, some machining methods are incapable, such as end - milling or electrochemistry. according to the peculiarities, a cnc disk - cutter - milling method which is composed of five motion axes with four simultaneously interpolated ones is researched. because most firebox generatrix is composed of complex curves, it is very difficult to get cnc cutting program with manual means. in order to deal with the problem, the loxodrome mathematics model is studied, and an auto - programming software system is developed. the software system can generate cnc cutting program of loxodrome on many kinds of turned surface. the constriction - distension segment of firebox is the most representative workpiece. the sharp changing of its generatrix slope makes loxodrome milling difficult. with the theory analyzing and practice cutting experiment, some applied techniques, which include milling mode and direction, choosing cutter diameter and cutting start point setting, are developed. adopting the technology above, tens regular workpiece have been manufacturing. the two - year manufacture practice has confirmed the validity and feasibility of developed loxodrome coolant channel milling method. the developed technology is also worth to be referenced to other similar workpiece

    將液體火箭發動機燃燒室的冷卻通道設計為斜(等傾角螺旋)槽形,可以大幅度改善燃燒室的冷卻性能.斜冷卻槽的槽寬尺寸較小而槽深尺寸較大,所以無法使用棒銑刀銑削、電化學等加工方式.針對這些特點,提出了五軸控制、四軸聯動的數控片銑刀銑削加工方法.由於燃燒室外表面的母輪廓復雜,手工編制數控加工程序難度大.為了解決數控加工程序的編制問題,了斜的數學模型,開發了自動編程軟體系統.使用該系統,可以生成多種母輪廓回轉體外表面上的斜數控加工程序.燃燒室收斂-擴張段的母斜率變化大,加工難度大,是斜冷卻通道加工的最典型工件.經過理論分析和實際切削實驗,了針對該類型工件的片銑刀直徑選擇、銑削方式和方向、刀具調整和起刀點的設置等多項實際的加工方案.採用上述的一系列技術,已經成功地加工了數十個合格工件.經過兩年多的實際生產過程應用,驗證了所開發的斜冷卻通道加工方法的正確性和可行性.這些加工技術的製成功,對其他相似類型零件的加工亦具有參考意義
  7. The electro - magnetic telegraph was the wonderful and most unexpected consequence of the experiments of oersted and the mathematical investigations ofampe : and the modern art of navigation is an unforeseen emanation from the purely speculative and apparently merely curious enquiry, by the mathematicians of alexandria, into the properties of three curves formed by the intersection of a plane surface and a cone

    電報是奧斯忒的實驗和安培的數學最出乎人預料而令人驚異的結果;現代海技術則意外地產生於亞歷山大的數學家們對由一平面和一圓錐相交所形成的三條曲的性質進行的純粹思辯性的、顯然僅僅是出於好奇的探索。
  8. This thesis analyzes the demand of pharos management and researches a radio remote terminal for monitoring the pharos on - line using new technology

    本課題全面分析了標燈管理維護的要求,結合快速發展的新興技術,了一種對標燈在監控的無遠程監控終端系統。
  9. Firstly, the research of this paper is focus on preflight global planning algorithm based on cell decomposition methods and artificial potential field methods

    本文首先對基於柵格法和人工勢場法思想的離跡規劃演算法進行了
  10. In this paper, the numerical harbor should include following contents : 1. database of wave field, tidal current field, sediment field in researched area ; 2. database of ship styles. 3. numerical model used to analysis data. 4. plans of outer dike, utilities of sea line, and selections of waterway, which based on the above databases

    本文認為,對于港區而言,數值化的內容應包括以下幾個方面: ( l )所港區的波浪場、潮流場及泥沙場等自然條件數據庫的建立; ( 2 )船型數據庫的建立; ( 3 )數值分析模式的建立; ( 4 )提出建立在自然條件基礎之上的外堤布置、碼頭岸利用策略及道的擬定方案(即優化模式的建立) ; ( 5 )按照經濟最優原理快速準確地提出碼頭裝卸的策略及當前方案。
  11. 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路,一是基於地形高程的匹配方法,這是當前的重點;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( 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等問題。
  12. The short strip aerial triangulation of three line array ccd imagery

    影像短空中三角測量的模擬實驗
  13. This paper analyses the applied characteristic of phase - locked loops ( pll ) for the forward motion compensation technology of lmk aerial survey camera. according to the analysis, a new style pcb is produced. the realization by software for the forward motion compensation is discussed in this paper, which is realized by the ti prduction tms320f240

    在對lmk空攝影機像移補償控制系統的再設計工作中,本人設計出了新的補償電路路板,並進行了幾項典型的實驗和前向運動補償效果評價,經過外場飛行試驗,進一步證明了該設計的可靠性、可行性、實用性。
  14. The conventional sphere model of earth and circle model of orbit are discarded, and the ellipsoid model and the ellipse model are selected for further research, which achieves a method to determine the target position through the antenna pointing direction. and the spaceborne sar system design and simulation software is brought forth. this software accomplishes sar system coefficients design for antenna area, pulse repetition frequency, signal bandwidth, downlink data rate, radar transmitter power and satellite platform yaw steering

    本文從星載雷達的星地幾何關系入手,舍棄傳統星載合成孔徑雷達中的球地球模型和圓軌道模型,了在地球橢球模型和橢圓軌道模型下由雷達天確定目標坐標的方法,並在此基礎上製了星載合成孔徑雷達系統設計與模擬軟體,完成雷達系統天尺寸、脈沖重復頻率、信號帶寬、雷達信號數據率、雷達發射功率、衛星平臺的偏牽引等幾個方面的系統參數設計以及雷達多普勒特性、雷達系統模糊、雷達定位及精度的分析,最後完成雷達回波信號的模擬。
  15. The article has collected data / information concerning total crude and products trade, tanker fleet productivity, tanker fleet deliveries and deletions, developing of new building market, etc. on the basis of this, the article has taken middle east ? apan trading line as an example, had a deep study of the method of technology and economy demonstration of large oil carrier and had an analysis and comparison of different ship type plan, by means of computer calculation

    本文在收集、分析世界石油海運量、世界油輪船隊的發展和現狀、狀況以及新造船市場的發展與現狀的基礎上,以中東?日本為例,深入油輪論證的方法,通過計算機輔助計算,選擇出了適合該的最船型。
  16. This paper studies the design documents of the avionic system detailedly, including the interface control document and detailed design requirements, and summarizes the data structures and the communication formats of the system, and designs the simulation database. this paper also studies some protocols such as gjb289a, arinc429 and udp etc, and then determines the methods of data processing. according to the theory of the software engneering, this paper completes the requirements analysis, the globle

    本文根據設備的具體設計要求,完成了模擬設備的硬體設計;詳細電系統的系統設計文件? ?介面控制文件和詳細設計要求,總結出了電系統的數據結構和消息通訊格式,並在此基礎上設計了用來表達模擬對象的關系型模擬數據庫;了gjb289a 、 arinc429等總協議以及udp網路協議,明確了各類數據的處理方法;按照軟體工程的開發理論,完成了模擬軟體的需求分析、概要設計和詳細設計,進而通過編程在labwindows / cvi環境下實現了一個界面友好、靈活通用的模擬平臺。
  17. The thesis roots in the item supported by " fifteen " aviation funds, - new type aeronautic linear dc motor ( ldcm ), study its classes characteristics and work principle, mainly researches the drive and control technique of aeronautic linear dc step motor ( ldcsm ) using in emergency discharging oil valve on airplane

    本文源於「十五」空支撐基金項目-新型空用直直流電動機。論文了直直流電動機的分類、特點及其工作原理,重點針對飛機應急放油閥用空直直流步進電動機驅動控制技術進行了
  18. Based on a systematic discussion on the contents, characteristics and the up - to - now accomplishments of these three operations in cagd, we present our researches in three ways as follows : ( 1 ) efficient evaluation for parametric curves and surfaces based on generalized ball bases based on the generalization of mathematical model of surface lofting program in the consurf system, two generalized ball surfaces and the recursive algorithms for evaluating them are given. furthermore, the conversion algorithms from bezier form of a surface to these two generalized ball forms are presented

    在系統地論述cagd中此三類運算的內容、特點、已有成果的基礎上,就以下三方面給出了成果: ( 1 )基於廣義ball基的參數曲曲面快速求值以前英國空公司consurf系統機身模程序數學模型的推廣為基礎,定義了兩類廣義ball基曲面,給出了求值的遞推演算法,推導了b zier曲面到這兩類曲面的轉換演算法
  19. In order to strengthen hong kong s position as an air cargo hub, aa is considering a number of arrangements including incentive programmes to encourage freighter to use the midnight to 6 am quiet period and develop high speed cargo ferry links between the southern mainland and the airport

    為增強香港作為空運樞紐的地位,機場管理局正採取一系列措施,包括推出優惠計劃,以鼓勵空運公司使用午夜至清晨6時的非繁忙時間,及發展華南與機場之間的高速貨輪
  20. Based on the experience of existing waterway regulation, using a great deal of field data, analytic data and existing research findings, the ragulate lead on the area from zhuqi to kegong in minjiang river are studied by using physical models and schemes are recommended in this thesis

    本文將在已有的道整治經驗的基礎上,結合閩江大量現場實測資料、分析資料及過去的成果,運用物理模型對閩江竹岐至文山裡、科貢河段進行治導,找出推薦方案。
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