等航速法 的英文怎麼說

中文拼音 [děnghángsùfǎ]
等航速法 英文
constant speed method
  • 等 : Ⅰ量詞1 （等級） class; grade; rank 2 （種; 類） kind; sort; type Ⅱ形容詞（程度或數量上相同） equa...
  • 航 : Ⅰ名詞（船） boat; shipⅡ動詞（航行） navigate （by water or air）; sail
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  • 法 : Ⅰ名詞1 （由國家制定或認可的行為規則的總稱） law 2 （方法; 方式） way; method; mode; means 3 （標...
  • 航速 : speed of a ship or plane; navigational speed
  1. Formerly one was obliged to travel in india by the old cumbrous methods of going on foot or on horseback, in palanquins or unwieldy coaches ; now, fast steamboats ply on the indus and the ganges, and a great railway, with branch lines joining the main line at many points on its route, traverses the peninsula from bombay to calcutta in three days. this railway does not run in a direct line across india

    從前在印度旅行只靠那些古老的辦法，例如：步行騎馬坐雙輪車或獨輪車坐轎子用人馱坐馬車等等。如今在恆河與印度河上，有快速輪船航行。又有一條大鐵路橫貫整個印度，並且沿途還有支線。
  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

    本論文系統研究了自主式水下航行器的建模、非線性自適應滑模控制、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. The method of wing shape optimization of space shutlle has been developed with penalty function approach in which the objective function is the mass of the wing and the constraints are the hypersonic re - entry flight cross range, lift / drag ratio, and subsonic flight lift / drag ratio, the margin of the longitudial static stability and the magnitude of the horizontal landing speed etc

    摘要介紹了在滿足高超音速再入橫向機動航程，高超音速再入飛行時的升阻比，亞音速進場飛行時的升阻比，縱向靜穩定性裕度和水平著陸速度等飛行性能設計要求下，用罰函數法尋求使航天飛機機翼質量為最小的外形優化方法並給出了算例。
  4. Using coordinate transformation method, the formula of imv on every point of image plane was deduced, and it included almost all motorial factors : the flight velocity of aircraft, roll, pitch, yaw, camera ' s scan and so on. thus, it is a precise formula, and it is also applied to frame cameras and push _ room cameras with array ccd

    利用坐標系變換的方法可推出像面上各點的像移速度公式，該公式包含了幾乎所有的運動因素：飛機的前向飛行、飛機的姿態角變化、相機自身的擺掃運動等等，是精確的像移速度公式。本公式同樣適用於畫幅式航空相機和線陣ccd推掃型航空相機。
  5. To optimize the multi - phase homing trajectory, an improved adaptive genetic algorithm ( iaga ) was proposed, which could efficiently improve convergence speed and avoid the occurrence of premature

    在對分段歸航軌跡的優化中，提出了改進自適應遺傳演算法，該演算法通過增加「強化」運算元、改進對種群「早熟」程度評價指標等，有效地提高了收斂速度、避免了「早熟」現象。
  6. The main measures are : damming improving flow condition riverbed excavation etc. riverbed excavation is always used in reducing velocity of a channel with bad flow condition. in singularity channel, velocity can be reduced with the increase of crossing area by excavating riverbeds

    整治採取的主要措施有：築壩壅水、改善流態、開挖河槽等等，對于流態惡劣的急流灘，常採用開挖河槽擴大過水斷面面積的方法來降低航道流速。
  7. Due to issues of dongting lake districts flood composition, the evolution of sediment flow, the river and lake ( r & l ) distribution characteristic as well as the layout of r & l - dredging engineering, the article simulated the model of the dongting lake terrain change by using the gis technology and adopted the limited volumetric method to establish the two - dimensional hydraulics computation model of lake in order to forecast the water level, the flow capacity, the speed of flow and changes of flow field after implemented the project, which have provided the reliable theoretic basis for the decision - making and implementation of renovation for river course, canal and harbor and river course - dredging engineering

    摘要針對洞庭湖區的洪水組成、水流泥沙演變、河道湖泊水系分佈特點以及河道湖泊疏浚工程布局情況，利用gis技術模擬洞庭湖地形變化，採用有限體積法建立了湖泊二維水力學計算模型預測疏浚工程實施后的水位、流量、流速流場變化，為河道、航道港口整治、河道疏浚清淤等工程決策與實施提供了可靠理論依據。
  8. For this reason, the following problems are researched emphatically : firstly, the long - term prediction method for calculating the extreme values of slamming pressure is founded. the effects of sea conditions, ship speeds, traveling directions, loading conditions on the results of long - term prediction are studied. on this basis, the computing process is simplified rationally, so as to this method can be used in practical engineering computations

    為此，本文主要在下面幾個方面進行了探索：首先，建立了底板砰擊極值壓力的長期預報方法，通過分析海況、航速、航向角、裝載狀態等不同的影響，合理簡化了長期預報的計算過程。
  9. The thesis analyse the error and the feasibility of the system. because the precision of position and direction is related with the precision of the heading and the distance, the thesis discuss the method of obtaining the distance using milemeter, water milemeten engine ' s rotate speed and accelerometer, and the method of obtaining the heading using the combination of the gyrocompass and the digital compass. then the thesis introduce the details of the system realization, include the hardware and the software

    由於航位推算的精度與航程和航向的精度直接相關，因此，論文討論了用里程計、水速表、引擎轉速或加速度計等獲取里程的方法，用航向保持器和數字磁羅盤組合的方法獲取航向角的方法（初始尋北由數字磁羅盤來完成） ，這為採用數據融合方法提高航程和航向精度打下了基礎。
  10. In this paper, an approach of the systematic artificial neutral net was introduced into the analysis on the ship - against - bridges probability with a computer programs. based on the basic data of the present 12 typical bridges as the sample, 4 chief influential factors as the input coefficient, such as the bridge span, the water flow rate, the incline angle between water flow direction and the direction normal to bridge axis, and the curve in the course near the bridge area, with the ship - against - bridge probability as the output coefficient, the intelligent judging system of the ship - against - bridges probability reflecting the influence of the above input parameters is obtained after training

    本文首次將人工神經網路系統方法引入了船撞橋概率的研究當中，編制了計算程序，成功地以現有12座典型橋梁的基礎數據為樣本，以橋梁跨徑、水流流速、水流方向與橋軸法線的夾角以及橋區航道彎曲度等4個船撞橋主要影響因素為輸入參數，以船撞橋概率為輸出參數，經訓練得到了能較好地反映上述輸入參數影響的船撞橋概率判斷系統。
  11. Recent activities for the airborne scalar gravimetry are summarized in this paper, they includes five aspects, viz. improvement of traditional airborne scalar gravity systems, development of new system concepts, optimization of acceleration deriving from dgps, optimization of filtering and estimation methods, and the application of airborne gravity data in various mapping and exploration applications

    本文概述了航空標量重力測量的研究現狀及發展動態，傳統航空重力測量系統的改進，新型系統方案的研究，從gps中導出加速度的理論和方法，濾波和估算方法及航空重力數據的應用等五個方面的重要研究成果。
  12. The constitutions and principles of position of gps > glonass and beidou navigation system are described all around in this article, and the following technologies are studied and realized : communication between com ports with oop technology, compound navigation with gps and glonass. calculate velocity, pseudorange difference, smoothing pseudorange with the carrier - phase and models to correct error are also done ; the transforms between wgs - 84 and pz - 90, as well as wgs - 84 and beijing54 coordinate system ; the technologies to display and manage bitmap, vector map based on mapx also ; conversion of data formats between gjb and mif data format of maplnfo corp. arithmetic of creation dem data based on contour line data from 1 -. 25000 map data with gjb format. texture the surface of terrains with corrected aviation image

    本文全面介紹了gps 、 glonass 、北斗導航系統的組成、定位原理，研究並實現了面向對象的串口通信技術、 gps + glonass組合導航、測速及偽距差分、相位平滑偽距差分以及有關誤差的模型改正、 wgs ? 84和pz ? 90 、 wgs ? 84和北京54坐標系的坐標轉換、柵格地圖的顯示和管理、基於mapx的矢量地圖的顯示和管理、 1 : 25萬軍標數據和mapinfo的mif數據格式雙向轉換、基於軍標數據的dem生成演算法、基於opengl的三維地形構造、航空圖像紋理地形表面、三維坐標量算、虛擬現實模擬導航、三維地形的層次細化演算法以及數字圖像處理中的圖像增強、幾何變換、影像匹配等技術。
  13. With the development of the technology of the computer stereovision, the binocular stereo sensor has applied in field of industry detection, object identification, robot automatic guidance, navigation etc. with the appearance of new opto - electronic scanning technique, automatic technique, highspeed data processing technique and more effective algorithm, the binocular stereo ranging method has new headway and application the contents are arranged as following

    隨著計算機視覺技術的不斷發展，立體視覺傳感器得到越來越廣泛的應用，尤其是雙目視覺傳感器的結構簡單、使用方便、速度快、精度高等諸多優點被廣泛應用地于工業檢測、物體識別、機器人自導引、航天、航空及軍事等很多領域。隨著新型光電掃描技術、新型陣列型光電探測器件及更有效的演算法出現，結合迅猛發展的自動控制與高速數據處理技術，立體視差測距方法有了新進展及應用。
  14. The advantages of this software are direct image, reciprocity, friendly interface and wide adaptation. we mainly solved some technical problems such as self - adjustment of resolution, the realization of learning progress recording, the methods of controlling voice, the non - synchronous transport speed of animation and the acquirement of navigation

    在本教學輔助軟體製作過程中，我們主要解決了解析度的自動調節及實現、學習進度記錄的實現、聲音控制方法的實現、動畫與聲音的播放速度不同步的問題及解決方法、導航的實現等技術難題。
  15. This thesis is composed of seven chapters : the first chapter is the introduction of this thesis. it is summary of the background, the technology method, and the significance of research ; in the second chapter, the writer propounded the new method for speed regulating to realize the mainland method. the introduction of the foundation of fuzzy control is the content of the third chapter. the main content of the fourth chapter is the theoretical foundation of fuzzy control ; in the fifth chapter, the writer propounded a kind of self - adaptive fuzzy controller according to the defnult of the conventional fuzzy controller and its properties and structure are alse illustrated at the same time ; the main content of the sixth chapter is the design of sa fuzzy controller ; the seventh chapter is the summary of hardware and software of vfsr for controlling system

    本論文共分七章：第一章是緒論，簡介課題研究的背景、技術方法及研究意義；第二章簡單分析了傳統pid調速技術存在的問題，提出新的調速實現方案；第三章給出了模糊集合論中的一些基本概念、運算定理等；第四章主要介紹模糊控制的工作原理，並指出常規模糊控制的缺陷及其多種改進方案；在第五章中，作者根據常規模糊控制器的不足，設計了自適應模糊控制器，並闡述了它的性能結構和工作原理；第六章的主要內容是自適應模糊控制器的設計；第七章是船模純粹自航試驗調速系統的實現。
  16. The waterway depth contour can be adjusted artificially in certain field. so the across of depth contours can be avoided effectively. in addition, the precision of depth contours is high and the speed of drawing is fast

    在航道等深線的繪制方面，本文提出了一種新的航道等深線圓滑方法，可以在一定范圍內人為調整等深線的張馳，有效地避免了等深線之間的交叉，並且等深線的繪制精度較高，繪制速度也特別快。
  17. Because the ins error equation is unstable, some initial states error will cause error floating and error accumulating, if the filter observations were only position error, kalman filter will converge very slowly, and some states error ( such as yaw error ) will be great. since the milemeter altimeter and piloting could only output position information, this paper put forward a method, firstly estimateing states and then kalman filtering, to improve filtering effect. simulation proved that this method could effectively reduce the system states error, quicken filtering convergence and improve filtering precision

    由於慣導系統（ lsins ）的誤差方程是發散的，某些初始狀態的誤差會引起誤差的漂移和積累，當觀測量只有位置誤差時，卡爾曼濾波的收斂速度很慢，某些狀態（如方位角）誤差很大，而以上除慣導外的其它導航傳感器直接提供的只是位置信息，為了改善濾波器性能，本文根據里程計等傳感器的特點，提出了首先對狀態做出估計，然後在狀態估計的基礎上，進行卡爾曼濾波的方法。
  18. The distance measure instruments made by traditional bulk silicon cmos process is not able to work in the hard environment because of the restriction of the bulk silicon material structure. the environment of the space radiation and high temperature will degrade the measure precise and the work speed of the instruments

    傳統的體硅cmos工藝製造的測距儀由於體硅材料和器件結構的限制，無法工作在惡劣的環境下，空間的輻射、溫度的升高等都會導致器件和電路的性能急劇惡化，測量精度和工作速度下降，不能滿足宇航事業的要求。
  19. Some key technical problems about construction method, vehicle velocity and clearance of the tunnel scheme were discussed according to the geographical location, engineering geological conditions, request of the harbor entrance and shipping, localization of the tunnel and some principal technical criterions

    根據泰州公路過江通道的地理位置、工程地質條件、港口航運要求、通道工程定位以及工程的主要技術標準等，對泰州公路過江隧道方案的隧道建設方法、隧道行車速度和建築限界等若干關鍵技術問題進行了分析論證。
  20. ( 2 ) identifying the 2 puzzles confusing the study of aas, which are the reliability of data received from target ship and the communications of the intention of collision avoidance between ships, by analyzing the research of aas domestically and internationally

    對于在arpa中可以直接得到的類似於他船相對航向、相對航速、距離、方位、 cpa 、 tcpa等信息，研究並實踐了其在ais中的獲取及處理方法。提出了abaas （ aisbasedautomaticanti - collisionsystem ）的概念和設想。
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