船位推算 的英文怎麼說

中文拼音 [chuánwèituīsuàn]
船位推算 英文
dead reckoning
  • 船 : 名詞1. （水上的運輸工具, 船舶的通稱） boat; ship; vessels 2. （姓氏） a surname
  • 位 : Ⅰ名詞1 （所在或所佔的地方） place; location 2 （職位; 地位） position; post; status 3 （特指皇帝...
  • 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...
  • 算 : Ⅰ動詞1 （計算數目） calculate; reckon; compute; figure 2 （計算進去） include; count 3 （謀劃;計...
  • 推算 : calculate; reckon; reckoning; prediction; calcu-lating
  1. 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。
  2. 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。
  3. This paper is based on the cosco vessel investment decision support system project. firstly, according to the shipping enterprise ' s situation and character, a program suitable to the shipping enterprise is given, which is used to help decision - maker analyze the economical effect of the investment and choose correct investment project. secondly, the author extends the use of the evaluation method of single ship investment, simplifys the calculation of revenue and cost, set up the multi - objective synthesis evaluation model of ship investment to evaluate ship investment considering the fleet as a whole, then to make decisions on vessel type jtonnage, number, financing pattern ; finally, the author analyzes the system, and designs the system, mainly including the design of operation database, design of decision support database, the design of models database, system interface, the style of the system, and analyzes the techni cal problems about the system, some functions has been put into use

    以輔助或支持企業的決策者分析投資的經濟效果，選擇投資方向及決策方案，使決策的結果更能滿足航運企業發展的實際需要，作出科學的決策；其次，本文將單船投資決策的技術經濟評價方法進行推廣，在計算npv指標中涉及到的復雜的成本與收入計算問題進行簡化，並利用運籌學的知識，建立船舶投資決策模型，從船隊整體角度對船舶投資進行綜合評價，以達到對船隊中投入船舶種類、船舶噸位、數量與融資方式選擇的多維決策；最後，本文對船舶投資決策支持系統進行了詳細的系統分析，作出整體框架設計，主要包括操作數據庫設計、 dss數據庫設計、模型庫設計和系統介面、系統風格設計，並對系統開發中涉及到的技術問題予以分析，並實現了部分功能。
  4. The act or process of calculating the position of a ship or an aircraft

    定位推算計算某艘船或某架飛機位置的行為或過程
  5. In the chapter 3, it mainly deduces the mathematic models of six factors of the target ship and the problems of " given point " and " well - timed point " in the plane orthogonal reference frame. also it can calculate the standard results of each assessment factor by means of these mathematic models

    第三章主要是在雷達標繪平面直角坐標系中，推導出目標船六要素、 「預定點」問題和「時機點」問題的數學解析模型，武漢理廠大學碩十學位論文並且通過這些數學模型計算出各個評估要素的標準值。
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