曲線航線 的英文怎麼說

中文拼音 [qūxiànhángxiàn]
曲線航線 英文
curved course
  • 曲 : 曲名詞1 （一種韻文形式） qu a type of verse for singing which emerged in the southern song and ji...
  • 線 : 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...
  • 航 : Ⅰ名詞（船） boat; shipⅡ動詞（航行） navigate （by water or air）; sail
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  • 航線 : air line; air route; route; airway; shipping line; way; itinerary; azimuth; pathway; trajectory; ...
  1. The approach of curve fitting is used to mark out of the flight path

    航跡的規劃採用曲線擬合的方式。
  2. Function test and calibration self - heterodyne curve for direction finder on sea trial

    航行試驗中測向儀效用試驗及自差曲線校正。
  3. The directrixes of the in former two transmissions are the loxodrome and the geodesic on the pitch cones, that of the latter is an equal - pitch line along the direction of straight generatrixes in the hyperboloid surface, also is the vertical trajectory of the straight generatrixes

    前兩種傳動形式的準線分別為節錐面上的斜航線與測地線，後者的準線為單葉雙曲面上沿直母線方向的等螺距曲線，且為直母線族的正交軌線。
  4. 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研究最出乎人預料而令人驚異的結果；現代航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線的性質進行的純粹思辯性的、顯然僅僅是出於好奇的探索。
  5. 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、已有研究成果的基礎上，就以下三方面給出了研究成果： （ 1 ）基於廣義ball基的參數曲線曲面快速求值以前英國航空公司consurf系統機身模線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
  6. A wind calculation is also provided when the uav flights along the straight course. at last, simulation in flight envelope with matlab / simulink is is offered with data and graph to prove the simulation design is successful

    最後，通過matlab / simulink實現了無人機全過程飛行的非線性模擬驗證，分析了無人機在全航程飛行過程中的飛行數據/曲線，驗證了本文研究內容的正確性。
  7. By the simulation, it is indicated that the curve motion model based on the particle can describe the curve motion of the target. and it is shown that the performance of the ukf algorithm is more precise than the tradition nonlinear filtering technique. by the contrast between the simulation results and the positioning result of commercial data process software,

    模擬結果表明，基於質點的曲線運動模型可較準確地描述進行曲線運動的載體; ukf演算法作為衛星導航系統的非線性濾波技術，較之傳統的線性濾波技術可獲得較高的定位精度;其定位結果與商業數據處理軟體相比，可滿足定位精度要求，該演算法可以直接應用於衛星導航系統的軟體實現。
  8. A nonlinear ship steering controller is designed successfully. even considered the noises caused by wind, wave and current, the matlab simulation tracking error is almost zero. simulation results show that the presented algorithm is effective and robust

    在存在舵機非線性和海浪干擾的情況下，分別跟蹤階躍響應及正弦曲線，航向跟蹤效果很好，幾乎無偏差跟蹤，且打舵小，具有較強的魯棒性。
  9. Through flume experiment and numerical simulation, preliminary work on computation of water surface profile in regulation river reach, numerical simulation of flow with single spur dike in flume, and 3 - d numerical solution of flow around spur dikes group are carried out in this paper

    本文通過模型實驗和數值模擬相結合的研究方法，在整治河段一維水面曲線計算，單丁壩繞流數值模擬，紊流數學模型在航道整治工程中的應用以及丁壩群附近水流的三維流動特性等方面做了一些初步研究。
  10. The ship was tacking trying to make the harbor

    該船在頂風曲線航行，力圖駛入港口停靠。
  11. When submarine curves close the water surface, the course is affected by the quasi white noise disturbances. the close water control structure is same with that in deep water. the simulations show that the control effects are close to the ideal situations

    由於在近水面航行時，航向所受到的主要是接近於白噪聲的干擾，所以採用了結構和水下相同的航向自動舵，由模擬曲線可看出控制效果比較理想。
  12. 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
  13. Furthermore, the spectrum characteristics of normal seawater and oil polluted water are also analyzed and discussed, from which we reach the conclusions that the transformation method can be used for obtaining reflectance data and airborne hyperspectral data can be used for oil film detection as well

    進一步對正常海水和油污染水體的光譜特性進行分析，通過反射率曲線比較，得出運用基於圖像特徵的反射率處理模型提取光譜信息和運用航空高光譜數據進行海上油污染檢測的可行性。
  14. 3. bring forward a new idea : the ideology of synergetics used in atomic simulation and multi - scale simulation of materials design. on the basis of this, next tasks were put forward : ( 1 ) analyzing the changes of stress - strain curves of the interphase before and after pre - treatment ; ( 2 ) the efficient of the coupling effect of o2, na2s04 and h2o stream on the oxidation and erosion resistance of interphase ; ( 3 ) the methods of improving environment performance of interphase above 1273k

    提出將協同學的思想用於原子級模擬及跨尺度模擬的思路，並在此基礎上，提出下一步的工作設想： （ 1 ）分析熱處理前後界面相區域應力-應變曲線的變化； （ 2 ）航空發動機模擬環境中，氧、硫酸鈉蒸汽及水蒸汽耦合效應對界面相抗氧化性、抗腐蝕性的影響； （ 3 ） 1273k以上界面相環境性能提高的方法。
  15. In technique rebuilding of system, discharge curve of ni - mh battery was measured, and power supplies in uav were improved. the security, adaptability and efficiency of miniature aerial rs systems could be improved obviously by microwave video transmission system and self - regulating blocking net in landing

    在對系統的技術改造中，測定了ni - mh電池組放電曲線，對無人機機載電源做了改進，配合加裝的微波視頻傳輸系統和自行研製的降落阻尼攔阻網可以大大提高無人機航空遙感系統的安全性、適應性和作業能力。
  16. The second chapter tries to find a way on how to find and establish core competence in a container shipping company. economics methods are adopted here, such as the theory of industrial organization, market structure, demand curve, experience curve and surplus value. cases are introduced to explain the practice of core competence theory, such as mediterranean shipping, hapag - lloyd and maersk shipping company

    本章在運用產業組織理論分析航運業的產業發展階段和市場結構的基礎上，通過需求曲線、經驗曲線分析來論述航運企業追求剩餘價值的競爭的本質，並徵引了地中海航運、哈勞集裝箱運輸公司和馬士基航運的實例，闡述了核心競爭力理論在航運業的具體應用。
  17. Considering the shortcomings in the genetic algorithms, some improvements are proposed in order to elucidate its strong optimizing ability, genetic algorithms are used to optimize the pid parameters of ship autopilot. the comparison between the different simulation curves shows the validity of genetic algorithms in looking for the best parameters

    本文首先用遺傳演算法來對船舶航向保持自動舵的pid控制參數進行在線優化，通過對用常規工程方法整定的pid控制和用遺傳演算法優化的pid控制的模擬曲線的比較，說明了遺傳演算法強的全局尋優能力。
  18. With the help of simulink, fuzzy logic box provided by matlab, s - functions are written in c and m files. the output plots of heading and rudder angle can be obtained. the experiments are performed to test the disturbance rejection properties of the fuzzy model reference adaptive control compared with fuzzy control

    利用matlab提供的simulink動態模擬環境，模糊邏輯工具箱及s -函數，將模型參考模糊自適應控制運用於船舶操舵系統，觀察航向及舵角輸出曲線，然後考慮風、浪及其它隨機干擾，分析系統的抗干擾性。
  19. Rotating pipes system are often encountered in the rotary machinery of engineering applications. with the popularity of rotary machinery in industry, the characteristics of the fluid flow and heat transfer in the controlling pipe system, the transporting pipe system, and the cooling pipe system are the main factors to improve the efficiencies of the rotary machinery. meanwhile, when a man is in the aerocraft with a high rotating speed or in the rotating machine for training, the flow in the blood vessel of body will change evidently and so the study on the flow in the blood vessel also becomes the important research field in the aerial - physiology

    在旋轉狀態下，這些曲線管路系統中的流動和換熱特性將會發生什麼樣的變化，是對管路系統的性能以及旋轉裝置的運行安全至關重要的問題，也是管道流動中研究很少，又是迫切需要解決的課題；同時，這個課題還可以應用於生物流體力學：當人體處于作高速旋轉或曲線運動的飛行器或宇航飛行員訓練的旋轉裝置中，人體血管內血液流動將會發生什麼樣的變化，是航天生理學研究的重要課題。
  20. Decca navigator system : receivers for ships - minimum performance standards - methods of testing and required test results

    臺卡遠程連續波相位雙曲線無線電導航系統.船用接收機.最少性能標準.試驗方法和規定的試驗結果
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