航跡分析 的英文怎麼說

中文拼音 [hángfēn]
航跡分析 英文
track analysis
  • : Ⅰ名詞(船) boat; shipⅡ動詞(航行) navigate (by water or air); sail
  • : 名詞1 (留下的印子; 痕跡) mark; trace 2 (前人遺留的建築或器物等) remains; ruins; vestige 3 (...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : Ⅰ動詞1. (分開; 散開) divide; separate 2. (分析) analyse; dissect; resolve Ⅱ名詞(姓氏) a surname
  1. Test and analysis of airplane ' s running track in taking o ff and landing

    飛機起飛著陸測試與
  2. The content of the study as follow : 1 to choice the ship form, mainly ship ' s overall size ; draft, according to design of shanghai deep - water port and development of container ; 2. to deside the date of width ; depth ; path ; tract and sinkage through simulator tests ; 3. to replenish and modify some date for channel design to very large container vessels in " design code of general layout for sea port " 4. to study ship ' s turning area ; ship ' s stop distance the new and special content of the study as follow : 1. statistics of path at the channel given by difference operators with the affections certain wind. currents. seas and other influences shows the path really needed under certain condition

    並可在各類道和水域的通安全評估及操船方法,帶寬度,道寬度,佈,船舶各種行狀態時的下沉量研究中應用。本課題研究的內容: ( 1 )根據洋山深水港設計規劃和集裝箱船舶的發展趨勢,通過研究、、比較,選擇最合適的船型,尤其是船舶主尺度和船舶吃水。 ( 2 )在大量模擬研究情況下,得出進港道所需的道寬度和深度。
  3. This paper presents a wider research field - risk analysis. through the study of the effects that threat factors and error factors impact on the flight risk and adjusting performance rules, the horizontal safe corridor, threat avoidance, vertical altitude real - time modification and the fastest trajectory programming are progressed

    總結前人在該方面的研究成果,提出一個更加廣義的研究角度? ?風險。通過對威脅因素、誤差因素對飛行風險的作用,調整性能準則而進行了水平安全走廊設計、威脅迴避、垂直離地高度實時修正以及最快速規劃。
  4. Thirdly, by neglecting the coupling influence, the control laws of pitching, yawing and sloping movements are designed separately with frequency domain analysis and root locus, and then the parameters of the controller are chosen

    第三,忽略耦合影響,將控制系統為俯仰、偏、傾斜三個相互獨立的通道,用頻域法和根軌法設計控制律、選取控制器參數。
  5. A general stack equation of mobile robot based on analyzing the motion of planar motion object and the mathematical models of four different kinds of common wheels is developed, accordingly, the mobility of mobile robot is addressed and the forward and inverse solutions to speed for specific configuration driven by differential speed are derived. utilizing the muir and newman convention, the description of the posture transformation matrices between different coordinate frames and the solution for the speed of point located on these frames are introduced. according to posture estimation, a more accurate method, dead reckoning algorithm, is developed for a specified configuration characterized by differential speed motorization, and simulations of this algorithm and other traditional methods are carried out using matlab while traversing a circular path

    本文對兩輪差速驅動移動機器人的運動學及其本體緩沖設計進行了探討,在對平面運動物體運動的基礎上結合四種常用車輪的數學模型,推導出了一個通用的移動機器人堆積方程,在此基礎上了移動機器人的移動能力、並針對兩輪差速構型推導了速度正解與逆解;使用muir和newman的運動學建模方法,推導了移動機器人上點及連桿坐標系位姿、速度變換關系矩陣及求解方法;在移動機器人位姿識別方法中結合差速驅動構型對位推演算法進行了:推導了一種理論精度較高的位推算演算法,並使用matlab對其與傳統的推算演算法在跟蹤圓弧軌情況下進行了模擬;最後針對本文所研究的機器人給出了一種比較系統、可靠的緩沖結構設計思路,較好地解決了移動機器人作業過程中外界因素及本身設計中引入的各種不確定誤差問題;本論文研究成果已在本實驗室所開發的樣機上得到實現,經過應用與考核證明其中的與設計是切實可行的。
  6. The visual motion track and position information on the track analysis map of navigation mark will help managers make their decisions effectively. multiple alarms are also used to send alarm messages to managers rapidly and reliably

    通過直觀的標軌圖詳細地顯示標的漂移軌和位置信息,為標管理人員提供有力的決策支持:使用多種報警方式,可靠地向標管理人員快速傳遞警報信息。
  7. The algorithm features full utilization of different installation positions and different angular resolutions of the two lrfs by assigning different tasks to them. the top lrf was used to set up the initial trace of new obstacles recognized from the result of d - s evidence theory based multi - period data fusion and the bottom one was used to maintain tracking of obstacles, providing relatively accurate positions of the obstacles

    該演算法的特點在於充利用了兩個激光測距雷達的不同安裝位置、不同解度對障礙檢測造成的有利條件,將多目標跟蹤的理論和技術融入障礙檢測的軟體框架中,並結合d - s證據理論融合多測量周期的識別結果,由頂雷達建立障礙的初始,而底雷達進行的跟蹤和維持。
  8. With studying the character of the fairway, the hydrology, the model circumstance, this paper starts with the geog raphical environment at the bridge area, and uses the computer to simulate the navigation track under these situation, then provides correlating data and analyzing method engineer to optimize the position of the piers and seaman to maneuver the ship when they enter the bridge area

    本文從橋區的地理環境出發,通過研究橋區的道特徵、水文特徵、典型環境條件,建立了相關的數學模型,並運用計算機模擬船舶在這些條件下的,從而為橋梁的選址、橋墩位置的優化以及船舶駕駛員在進入橋區時的行方法提供相關的數據和手段。
  9. The main works are as follows. 1. three key problems of hough transform in track initialization field are presented : parameter quantization, accumulate method and parameter extraction

    以基於hough變換的起始為具體研究對象,比較深入地了標準hough變換在應用中存在的三個關鍵問題:參數量化、積累方式和參數提取。
  10. To apply neural networks to the simulation of ship maneuvering motion, an nnrm ( neural network recursive model ) is designed and used to simulate a serial full - scale tests conducted in yangtze river and the comparison between simulated results and the measured ones is satisfactory. ship trajectory tracking is a well - known maneuvering problem with an increasing practical and theoretical interest. but the real - world tracking applications encounter a number of difficulties caused by the presence of different kinds of uncertainty due to the unknown or not precisely known system model and environmental effects

    本文利用智能控制技術的優越性,嘗試將智能化控制技術用於船舶操縱運動模擬,初步探索了將現代控制理論和智能技術融入船舶操縱預報、模擬的研究方法,提出了用於船舶操縱運動模擬的線性神經網路( lnn ) 、神經網路遞推模型( nnrm )和nnrm 、交錯距離( cte )和視距( los )混合控制器模型三種控制模型:並將控制模型的理論研究應用到實船試驗數據、計算,將模擬結果與實際的試驗結果作了比較。
  11. The algorithm of strapdown inertial navigation system is also discussed and then use the flight - track generator to give a simulation, since a closed loop feedback integrated navigation system is designed in this paper, and the output of the filter must feed back to the strapdown inertial navigation system, the analysis of the algorithm in strapdown inertial navigation system is important. the scheme to design the trajectory of gps and the simulation of gps constellation are then studied, the simulation of gps constellation is given from the calculation of vernal equinox base on the principle of celestial mechanics, this method of different from other methods given by other paper and is useful to the research of satellite navigation system. a new method to abstract noise modal in integrated navigation system is proved to be useful in practice, this method, which is given by use the principles of stochastic processes, statistics, time series analysis, and system identification, is suitable for the kalman filter in integrated navigation system

    產生器的設計,該產生器是研究組合導問題的前提,從國外一些研究組合導系統的文獻中可以看出,設計這樣一個產生器是非常必要的,所以本文自行設計了這樣一個系統;還討論了捷聯慣性導系統中捷聯解算的方法,並進行了模擬研究,由於在本文設計的閉環反饋式組合導系統中,對捷聯慣導系統的平臺誤差進行閉環控制,需要將濾波器輸出的校正量反饋到捷聯解算內部,所以必須對捷聯解算進行深入的研究和,更何況捷聯解算問題本身也是導界的一個熱門研究課題;另外,本文還介紹了gps軌道及其星座模擬的設計思想和方案,與以往gps軌道和星座模擬不同的是本文從天體力學中計算春點開始,逐步進行gps軌道及其星座模擬,這樣的設計方法對從事衛星導的研究工作是有價值的;還對組合導中誤差建模方法進行了研究,綜合運用隨機過程、概率統計、時序及系統辯識等方面的理論提出了一套適合組合導卡爾曼濾波的誤差建模方法,並運用實際研究工作中的測量數據對該方法進行了驗證。
  12. Then its mathematical model is set up and its validity is proved by computer simulation results. in the following, a new processing method of using three - antenna to detect, locate and image moving target is proposed based on dpca and interferometric theory. this method can not only suppress ground clutter effectively and detect moving target but also locate accurately azimuth position of moving target and estimate its velocity

    深入了dpca和干涉的原理后,提出一種沿放置的三天線sar動目標檢測和成像方法,詳細描述了該方法的工作機理,給出系統組成框圖,並給出該方法進行動目標檢測、定位、測速和成像的步驟,然後給出了計算機模擬方案及大量的模擬結果,充證明了採用該方法不僅能夠有效的抑制地雜波、檢測動目標,還能夠對動目標精確定位,準確估計出動目標的速度,對動目標重新聚焦成像。
  13. To this designed the optimal trajectory, simulations are completed respectively, and results are analyzed

    對所優化設計的飛行別進行飛行模擬驗證與
  14. In order to provide a basic and effective practical engineering tool for handling quality planning, analysing and evaluating, which is needed hi helicopter prototype development, this research work is launched on the fundation of comprehending the new aeronautical standard of united states army - ads - 33, and has obtained the achievements as following : ( 1 ) performance definition of pcs according to the criteria requirements for an explicit helicopter, beginning at analysis of its missions. ( 2 ) establishment of a helicopter attitude controller, which can meet the criteria requirements, by using the technology of adaptive neural network model - inverse control ; implementation of two response types ( rts ) and two control modes ; evaluation of quantitative parameters according to the ads - 33. ( 3 ) establishment of a helicopter trajectory contoller based on the attitude controller ; simulations of mission task elements ( mtes ) and evaluation of handling quality

    為了給型號研製中飛行品質的規劃、和評價提供基本的、有效的工程實用工具,本課題在充消化理解美軍新標ads - 33的基礎上,作了以下工作: ( 1 )針對具體直升機,從任務入手,根據規范要求確定對飛控系統的要求; ( 2 )應用自適應神經網路模型逆控制技術,構造了能夠滿足飛行品質要求的直升機姿態控制器,實現了兩種響應型式、兩種控制模式,並根據ads - 33進行了定量指標評估; ( 3 )在姿態控制器的基礎上,構造了軌跟蹤器,進行了任務科目基元模擬和飛行品質評估。
  15. The chapter 3 and 4 are the core of this dissertation. under the theory of ship manoeuvre capability, it calculates the moving track and strap especially affected by wind and current. base on the analysis of those parameter, the basic theory is provided on navigational safety in the bridge waters

    以試驗及調研的數據為依據,運用第三章建立的數學模型、計算船舶在橋區運動的軌帶,重點計算在風、流等因素影響下的船舶橫向漂移量,並對船舶在橋區運動軌方程的參數及橋區影響船舶橫向漂移量的因素進行,為船舶在橋區安全行提供理論依據。
  16. The same target will appear two courses on the electronic chart for the errors of the two sensors are statistically independent. the paper mainly includes two points : ( 1 ) study the fusion between ais data and radar data in vts ; first the paper discusses the kalman filter of the target ' s tracking. on the basis of which we study the data fusion between the track of radar target and that of ais target

    對于雷達目標的,選擇雷達作為位置傳感器,對于ais目標,選擇gps (全球定位系統)接收機作為位置傳感器,由於測量雷達和ais的傳感器是不同的,兩種傳感器誤差是相互獨立的,這樣在海圖上顯示目標的時候出現對于同一目標出現不同的,本研究的重點包括兩個方面: ( 1 )研究vts系統中ais數據和雷達數據的融合:首先討論目標的kalman濾波,在目標kalman濾波的基礎上對雷達目標和ais目標的進行數據融合的研究;同時本研究將對ais的位置傳感器gps和非差gps兩種情況進行和處理。
  17. Green " s theorem is employed to find the quantity relationship among the constraints of heating rate, dynamic pressure and lift in reentry flight. the paper deduced the approximate solution of the optimal aeroassisted coplanar trajectories under the three typical constraints. the performance index to be minimized are either heat input, the total dynamic pressure, time during the atmospheric flight, the time integral of the square of the path inclination ; or maximize the time of flight during the atmospheric portion of the trajetory. an important conclusion is firstly obtained : under the three constraints above, the optimal aeroassisted coplanar transfers with the first forth kinds payoffs have the same optimal control laws

    採用格林函數法,給出了同一平面氣動力輔助變軌飛行的3種過程約束(氣動加熱率、動壓、升力約束)條件之間關系的近似定量描述形成的飛行包絡線.由此求解了天器同時受3種約束條件時,各種性能指標下的同一平面氣動力輔助變軌軌的近似解及相應的最優控制規律.文中對近似解與控制規律的內部結構作了細致的,得到了一些有益的結論
  18. Space - borne radar parameters are used in simulation. base on the doppler frequency of rebound jamming signal, along - track interferometric detection scheme, which is proposed in chapter 4, is employed to detect point target rebound jamming in simulation, and the results validate the feasibility of this kind detection scheme. at last, a detailed comparison between rebound jamming and false target jamming is made

    第五章介紹了彈射式干擾原理,對干擾信號特徵及干擾效果作了具體的,並利用機載sar參數作了干擾模擬實驗;根據彈射式干擾信號多普勒頻率的特點,利用沿雙天線干涉對消技術對彈射式點目標干擾進行檢測,了模擬結果;最後還將彈射式干擾與虛假圖像干擾進行了比較。
  19. The new filter algorithm obtained is easily realized in the tws system, which can be applied to maneuver target tracking. then the third and the forth chapter discussed tracks association and tracks quality management. at last i simulated the tracking algorithm

    同時在前人的研究的基礎上給出了,質量的估計方法,提出了工程實用性強、通用性好、又可的多參數計累計的可質量管理鏈。
  20. In this thesis, the problems, related with research of automatic and precise homing of parafoil system, were analyzed thoroughly and systematically in method of theoretical analysis and numerical simulation, including dynamics, trajectory design and trajectory following

    本文以「實現翼傘系統自主、準確歸」為中心,採用理論與數值模擬相結合的方法,對翼傘系統動力學、規劃和跟蹤控制問題進行了比較系統深入的研究,得到了若干有意義的結論。
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