推測航行 的英文怎麼說

中文拼音 [tuīcèhángháng]
推測航行 英文
dead reckoning （dr）
  • 推 : 動詞1 （向外用力使物體移動） push; shove 2 （磨或碾） turn a mill or grindstone; grind 3 （剪或削...
  • 測 : 動詞1. （測量） survey; fathom; measure 2. （測度; 推測） conjecture; infer
  • 航 : Ⅰ名詞（船） boat; shipⅡ動詞（航行） navigate （by water or air）; sail
  • 行 : 行Ⅰ名詞1 （行列） line; row 2 （排行） seniority among brothers and sisters:你行幾? 我行三。where...
  • 推測 : infer; conjecture; guess; reckoning
  • 航行 : 1 （水中行駛） navigate by water; seaway; sail 2 （空中行駛） navigate by air; fly 3 voyage; 航行...
  1. Part of the research have been applied by the fsdi aerial surveying and mapping corporation, it will be widely applied in the seems corporation

    本論文課題的部分研究成果已在鐵一院航測大隊試用，經進一步的完善可進行推廣。
  2. Drs - dead reckoning system

    推測航行系統
  3. This phrase is borrowed from the aeronautics flight testing industry of the 1950 ’ s, when pilots flew increasingly faster, or “ pushing the envelope ”, eventually breaking through the sound barrier and further

    這一個片語從1950年代的航空學飛行測試業被借，當飛行員逐漸地更快速地飛了的時候，或"推到極限" ，最後突破健全的障礙和比較遠的。
  4. Based on the firsthand observation information obtained from air observation, this paper gived a second extrapolation to aircraft possible flight path and made checks on targets relativity by the method of utility function overall evaluation, accomplished the data fusion of targets information, and resolved the problem of relating of air observation information fusion and flight path extrapolation

    摘要在得到對空觀察哨直接觀測信息的基礎上，對目標可能航向進行二次外推，並利用效用函數綜合評估法對目標相關性進行檢驗，完成對目標信息的融合，解決了觀察哨情報數據關聯和航跡外推問題。
  5. A number of statistical and analytical works have been done by the institutions such as thethird shipping affair engineering and relonnissanle design institue of ministry of communications, hohai university, yangize valley water hudroprower planning and institule, nanjing hydraulic research institute and so on [ 25 - 30 ]. in 1993, the correlation analyses based on the data from the short - term situ - observation at near sea - route of the yangtse river estuary and the ship - stations were carried out to deduce the wave factors used in the engineering design

    交通部第三航務工程堪察設計院、河海大學、長江流域水利規劃設計院、南京水利科學研究院等單位曾作過不少統計和分析工作[ 25 - 30 ] ，在九十年代前期，人們曾根據長江口深水航道或附近短期實測資料與引水船站進行過相關分析，進而推算出設計波要素。
  6. Assist in general fisheries development and extension work ; train fishermen in practical aspects of navigation or marine engineering ; conduct fisheries surveys and monitor water quality ; perform licensing work and regulatory duty

    協助進行一般漁業發展及推廣的工作；給予漁民航海或輪機方面的實際訓練；進行各項漁業調查和水質監測工作；及執行發牌與監理工作。
  7. In this thesis, the mechanism analysis and numerical simulation on the coupling flow field of microwave plasma within resonant cavity of mpt was discussed and the subsystem of small thrust measurement as well as the vacuum experimental study of mpt were completed

    在航天飛行器上有廣闊的應用前景。本論文對mpt微波等離子體耦合流場進行了機理分析和數值模擬，建立了mpt的小推力測量系統，協同進行了mpt真空環境實驗研究。
  8. Chapter two ascertains main technological factor of dong gou lock reconstructing, including forecast the cargo and volume through the lock to reason about representative type of vessel designed for through the lock and its operation organize. chapter three design the renovate engineering through ascertaining the main technological factor scale of the lock, dimension, designed water level and altitude, including design of structure of the lock, lock chamber and lock gate, and select the main technological factor and pattern of headstock gear. chapter four draws a comprehensive compare of the two design scheme of the renovate project with engineering project economy evaluation method, and makes out the recommended scheme, and furthermore, to calculate the economic evaluation index of the recommended scheme and makes the economic sensitivity analysis of the scheme and finally demonstrate economic feasibility of the scheme

    本論文共分四章：第一章主要介紹了原東溝船閘的地理位置和營運現狀，說明了船閘在航道建設和水資源綜合利用中的作用及東溝船閘改造的必要性；第二章東溝船閘改造的主要技術因素確定其中包括東溝船閘過閘貨種和貨運量發展的預測，並確定東溝船閘的設計代表船型及營運組織；第三章東溝船閘改造工程設計本章通過船閘改造工程主要技術參數：船閘規模、尺度、設計水位和高程等的確定，設計了二個船閘改造方案，包括鋼筋混凝土整體塢式閘首結構、閘室和閘門的設計，並選定了啟閉機的主要技術參數和型式；第四章採用了工程項目經濟評估方法對東溝船閘改造工程二個設計方案進行全面綜合比較后，確定了推薦方案。
  9. 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

    本文將在已有的航道整治經驗的基礎上，結合閩江大量現場實測資料、分析資料及過去的研究成果，運用物理模型對閩江竹岐至文山裡、科貢河段進行治導線研究，找出推薦方案。
  10. Abstract : variations of flow pattern, flow velocity in deep poo l and side bar, mainstream thread, and water surface, caused by excavation project, are investigated by two - dimensional mathematical model in an orthogonal curvili near coordinate system. the change of bed - load transport rate, and redeposition r ate are predicted. the influences of the excavation project on navigation are ana lyzed. grid - type and flat - type excavation alternatives are proposed and discuss ed

    文摘:採用正交曲線坐標系下的河道平面二維數學模型，研究了嘉陵江何家磧邊灘采砂后河道流勢、流態、灘槽流速、主流位置、水面高程及比降的變化規律，預測了采砂方案完成後卵石推移質輸沙率變化及其對航道的影響，並對格形開挖和平整開挖方案進行了比較分析
  11. The report cited roskosmos spokesman vyacheslav davidenko as saying that the launch was postponed because problems were discovered with elements of the spacecraft ' s control system, and that parts would have to be replaced and fully tested

    俄羅斯航天局發言人達維堅科23日說，最近在航天器控制系統發現的部件故障是導致推遲發射的原因，需要更換新部件並進行充分的測試。
  12. In terms of efficiency in energy consumption, traveling among planets in straight lines not from desirable. today, space probes customarily make use of hohmann transfer orbits and gravity assists in their interplanetary endeavours. this method, though still quite costly, does help to save fuel to a certain extent

    在太陽系的行星中穿梭，直線航行並非理想的路線，現在的探測船均使用赫曼轉移軌道以太陽為焦點連接行星的橢圓軌道，再配合行星推助的技術航行探測船經過行星時偷取行星的能量加速或減速。
  13. The agency never determined the exact nature of the problem that delayed last week ' s launch but surmised it was caused by a locking pin in the rocket ' s flight control, which failed to retract before launch because ice had formed on it

    這次發射原本定在上周，美國宇航局還沒能確定導致發射被推遲的問題究竟為何，但推測問題可能出在火箭飛行控制系統的一個鎖定銷上。上周發射之前，因控制系統上結冰鎖定銷沒能縮回。
  14. The main tasks of this thesis are : discussing the dead - reckoning theory of doppler velocity log and compass, decreasing location error methods, emulating several ship tracks ; discussing several aspects influencing the velocity precision of doppler velocity log ; in a pool trial, processing the trial data and achieving some conclusions

    本論文主要研究工作包括：對羅經和多普勒計程儀推算輔助導航系統的工作原理，及減小定位誤差的兩種方法和幾種軌跡進行了研究；對影響多普勒計程儀測速誤差的各個方面進行了綜述；最後對多普勒計程儀水池試驗的數據進行了處理，得出所要結論。
  15. Firstly, this paper summarizes modern weaponry stealth technology at home and abroad, and lays special emphasis on analyzing stealth problem of cruise missile ’ s guidance head cover, aerocraft radar canopy and other privileged sites. secondly it makes a research on related theories of transparent metallic mesh that applied to missile ’ s guidance head cover and aerocraft radar canopy, and deduces relational expression between transparent metallic mesh structural parameters and radar wave - shielding efficiency, infrared transmitting. we use laser direct writing technique to fabricate a metallic mesh ( dimension : 70mm 70mm ; line width : 5 m ; period : 350 m ) on glass surface, then do experiment to test radar wave - shielding of metallic mesh via radar transmitting and receiving device

    本文首先綜述了國內外現代武器系統隱身技術方法;重點對巡航導彈導引頭罩和飛機雷達艙罩等特殊部位的隱身問題進行了研究，研究了金屬網柵用於導彈頭罩和飛機雷達艙罩隱身的相關理論，推導了金屬網柵結構參數對雷達波屏蔽效率和透紅外關系式;用激光直寫工藝，在玻璃表面上製作了一塊面積為70mm 70mm ，線寬為5 m ，線周期為350 m的金屬網柵;在實驗室里用雷達發射和接收裝置測試了網柵對雷達波的屏蔽實驗;認為利用金屬網柵技術對雷達波具有一定的屏蔽作用，而且不影響精確制導的紅外線高效透過。
  16. The same conclusion as derived from the original pda under approximate condition is concluded this way without any approximations. the second method is the instant - state performance prediction based on the hyca method. this method not only gives the off - line recursive error variance relation, but also gets a series of performance measurement such as track life

    然後應用兩種方法對其進行性能估計和預測，一是基於riccati方程的穩態性能估計，其結果與pda演算法近似條件下得出的結論相同；二是基於hyca方法的瞬態性能預測，不僅給出了誤差方差的離線遞推關系，而且得到了航跡壽命等一系列性能指標的估計值。
  17. Based on multisensor target tracking system, the research of this thesis focuses on target location technique, target trajectory smoothing, filter, prediction based on a parameterized model, target tracking with nonlinear measurement, outlier detection and distributed systematic error estimate based on real - time data fusion and so on

    論文以多傳感器目標跟蹤系統為背景，針對目標定位測速技術、基於參數建模技術的目標航跡平滑、濾波和外推、非線性測量系統的目標跟蹤、基於實時數據融合模型的野值剔除和分散式系統誤差估計等方面進行了深入研究。
  18. The project will take 15 years and owing to the complexities involved, extensive studies and trials are being conducted before the new technologies are to be fully adopted. currently part of new services including digital - automatic terminal information service ( d - atis ), digital - meteorological information for aircraft in flight ( d - volmet ) and delivery of pre - departure clearance ( pdc ) over data links is provided at hkia to enhance the operational efficiency of both pilots and air traffic controllers

    有關計劃將需15年完成，由於系統復雜，民航處在全面採用新技術前會進行廣泛研究和測試。有關的研究和測試工作經已展開。目前，香港國際機場已推行部分嶄新服務，包括數據化自動航站情報服務、數據化遠航氣象情報服務和飛前放行指示數據鏈路服務，以提高飛行員和航空交通管制員的工作效率。
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