軌跡方向 的英文怎麼說

中文拼音 [guǐfāngxiàng]
軌跡方向 英文
course bearing
  • : Ⅰ名詞1. (路軌;軌道) rail; track 2. (比喻辦法、規矩、秩序等) rut; path; course Ⅱ動詞[書面語] (遵循; 依循) follow
  • : 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 (...
  • : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
  • 軌跡 : 1 [數學] (某點在空間移動的路線) locus; trajectory; trail; travel; path; way; [電子學] trace; li...
  • 方向 : direction; orientation
  1. The complex nonlinear pursuit - evasion model of two spacecraft in near - earth coplanar orbit is simplified to linear model, the circular region the radius of which is equal to capture radius is defined as target set, capture is achieved when the evader come into the target set and the game is over ; the boundary of useable part ( bup ) is determined, and the analytical form solution of the linear equations is obtained by backward integration of the state variables from the bup, the linear barrier of the pursuit - evasion model and the optimum thrust of the both sides are thus obtained

    本文將近地共面道內運動的兩飛行器非線性追逃模型簡化為線性模型,以捕獲半徑的圓域定為目標集,確定目標集邊界上的可用部分,並以此為各狀態變量的起點,對時間進行倒積分,求得線性程組的解析解,從而確定了該追逃模型的線性界柵,以及界柵上對策雙的最優推力,即求得了滿足最優策略時相對運動的和推力。
  2. By analyzing the simulated velocities, it was shown that : in the middle of eddies, the drifter was controlled mainly by the sea surface geostrophic current ; in the edge of eddies, the ekman drift played an important role in diving the drifter into ( out of ) eddies ; the mean circulation made the drifters flow correctly in some regions

    背景流的空間分佈決定著浮標漂移的最終去,特別是背景流改變的區域,背景流的存在使得模擬浮標能夠像真實一樣運移。
  3. This dissertation focuses on the issue of the present farming organization structure in china. the research framework is that, while constructing some fundamental frame of theory for the research of farming organization structure, the study explores the theoretical basis behind the present farming organization structure in china ; while probing into general factors hindering the changing of the organization structure, the study tries to find out the deep - seated reasons which made the current farming organization structure incommensurate to the situations nowadays ; while studying the changing trend of farming organization structure in modern agriculture, the study suggests a basic orientation for the farming organization structure in this country ; while historically analyzing the developing process of the farming organization structure since 1949 in china, the study strives to find out its changing track ; then, while concretely analyzing the status quo, characteristic and adaptability of the current farming organization structure in china, the study explores its existing problems and their impacts on the agricultural development ; finally on the bases of the analyses above, the study brings forward an innovative ideas, some patterns and countermeasures for the current farming organization structure in china

    研究的總體思路是:通過農業生產組織結構基本理論框架的闡釋,提出中國農業生產組織結構問題研究的理論依據;通過對生產組織結構變遷的一般影響因素的探討,分析我國現階段農業生產組織結構不合理的深層次原因;通過對現代農業中生產組織結構選擇趨勢的研究,指出現階段中國農業生產組織結構模式選擇的基本;通過對1949年以來我國農業生產組織結構變遷的過程進行歷史分析,找出我國農業生產組織結構變遷的歷史,以總結經驗、吸取教訓,使現階段農業生產組織結構創新少走彎路;在理論分析和歷史分析之後,具體剖析了中國農業生產組織結構的現狀、特點以及對農業發展的適應性問題,揭示現階段我國農業生產組織結構中存在的問題以及生產組織結構不合理對農業發展的影響;在上述鋪墊的基礎上,提出現階段中國農業生產組織結構創新的思路、模式以及對策,以期對解決我國農業生產組織結構中存在的問題有所助益。
  4. We propose a novel controllable atomic beam - spiller based on the uccc and discuss the splitting mechanism of the guided atomic beam in the beam splitter from two aspects of the magnetic - field distribution and the trace of the guiding centers. the splitting ratio of the beam splitter can be adjusted by adding a homogeneous bias magnetic field along the y - direction, and the relationship between the splitting ratio and the additional bias field is analyzed

    本文提出了一種採用在y上加一偏置磁場來實現分束比可控的新穎原子分束器,並從磁場分佈和導引中心兩個面,詳細分析和討論了基於u -型載流導體所構建的原子分束器的分束機制。
  5. This dissertation is consisted of two parties , and these as following are its main content - first , we have looked backward into the academic origin of suwen ( 素 問 ) collative school. this dissertation has sorted out a clue that the learning developed from the field of plain - ology to the field of the medicine. when qian - jia plain - ology was at its height , the object of textual research of anhui - school plain - ology had extended from confucian sutra to the astronomy and geography , historical institutions , medicine , agriculture , calendar , etc. due to extending to medicine books , a system of textual research that belonged to anhui - school plain - ology , and its contents of study relate to many ways of medicine , such as neijing ( 內 經 ) 、 shanghan ( 份 寒 ) 、 bencao ( 本草 ) and other subjects of clinic

    本論文首次整理展示了一條由樸學醫學領域滲透的學術發展。乾嘉樸學鼎盛時期,皖派樸學的考據對象已從儒家經書擴展到醫學、農業、歷算等科技典籍。醫學文獻的滲透,很自然地形成了一條皖派樸學醫學考證流派體系,內容涉及醫學諸多面,如《內經》 、 《傷寒》 、 《本草》以及臨床諸科, 《素問》校詁則是其中的重要內容。
  6. Established the system of coordinates of roll testing, getting the parameters of equation of tooth face by solving the non - linear equations set ; according to the differential geometry and meshing principle, deduce the curvature parameters of tooth face and tooth profile, and get the parameters of instantaneous contact ellipse. emulate the contact trace and contact area of the working tooth face, and drawing the instantaneous drive ratio error curve

    建立了克林貝格擺線齒錐齒輪嚙合分析的對滾模型,通過對非線性程組的迭代求解,得到齒面程的各個參數;由微分幾何和切齒嚙合原理推導了齒面上齒廓和齒線的曲率參數,得到了瞬時接觸橢圓的參數。根據設計參數和機床調整參數繪制了工作齒面的接觸和接觸區圖形,並求得了瞬時傳動比的誤差曲線。
  7. ? to make the solid have realistic surface, we adopt advanced solid modeling method - constructive solid geometry. ? to free end - user from overwork, we presents and realizes many auto - processing algorithms, such as searching of inner - point, definition of polygon ' s counter - clockwise direction, as well as generation of numeric control codes. ? to checkout the collision and interference between cutter and part, we accomplish numeric control machining simulation, which can help end - user validate the correctness and rationality of numeric control codes, so it is needless that do repetitive test - cut before normal manufacture

    正如將在後續章節中所講述的那樣,我們在系統中採用了許多先進的技術,其中主要包括以下幾點:採用分層設計思想,使三維物體的設計得到了簡化;採用先進的實體造型法,使所建立的實體真實感強;實現了內點自動查找、多邊形自動定義等演算法,提高了系統的自動化水平;實現了刀具的自動生成、優化;實現了數控代碼的自動編寫,克服了手動編寫的缺點;實現了數控加工模擬,能檢驗數控代碼的正確性和合理性,並能自動檢測刀具與工件之間的干涉。
  8. In order to geosteering, log - geology model of target formation should be built according to logging data and the interpreting result of wells nearby. geosteering parameters model is created to build simulative curves. compared these curves with logging curves, the position and drilling direction of the bit can be found combined with the concrete geological situation

    要實現地質導,首先要根據鄰井的測井資料及其解釋結果建立目標層測井地質模式,然後通過建立地質導參數的預測模型構造相應的模擬曲線,將模擬曲線與實測曲線進行對比,結合具體地質情況,確定鉆頭在目標層中的位置及其鉆進,及時調整井眼,使其始終保持在目標層中物性最好的部位。
  9. This study made a conclusion ? amely in order to realize following the geological target while drilling, on the basis of making a better geological and drilling design for horizontal well, we must make full use of mwd, lwd and integrate logging to carry out lithfacy identifying in real time, the lwd interpretation and formation evaluation, to set up geological model of target formation, to select geosteering marked formation and compare simulative curves with lwd curves f to fix on the drilling direction of bit upper and declination, the position in target oil - gas layer, to revise borehole track in real time, to make it extend in reservoir better interval as possible

    研究認為,在做好水平井地質設計和鉆井設計的基礎上,要實現隨鉆跟蹤地質目標鉆井,必須充分利用隨鉆測量、隨鉆測井和錄井等資料,從實時巖性識別、隨鉆測井解釋和地層評價、目標層地質模型建立、導標志層的選取及模擬曲線對比等面入手,確定鉆頭上下傾鉆進及在目標層中的位置,以實時調整井眼,使其盡可能在儲層物性較好的部位延伸。
  10. The md simulation data were analyzed in terms of average atomic positions, root mean square ( rms ) fluctuations, monomer - monomer interactions, hydrogen bond ( h - bond ) network, secondary structure, and so on. through the comparison, we found that when the system includes zn2 + ions and phenol, the stability of insulin hexamer is enhanced, but the conformational flexibility related to its biological activity is decreased. in addition, the insulin hexamer tends to dissociate in the absence of zn2 + and phenol

    通過對這兩個模擬所得到的在原子的平均位置、均根漲落、均根偏差、單體之間相互作用、氫鍵網路、二級結構等面進行的比較分析發現,對于包含鋅離子和苯酚的體系,胰島素六聚體的穩定性得到了增強,但其構象柔性卻受到了削弱;對不含鋅離子和苯酚的體系,胰島素六聚體的穩定性明顯減弱,構象柔性卻表現得較為突出,在這種情況下,胰島素六聚體還表現出解聚的傾
  11. A niched - penalty approach is used to transform this optimal kinematical design problem to an unconstrained one. a kinematic accuracy comparison of the genetic designed fine - tuning stewart platform with the quasi - newtonian designed one is made. the comparison results have shown that the kinematic accuracy of the genetic designed fine - tuning stewart platform has a much higher accuracy and a compact structure than that of the quasi - newtonian designed one, which guarantees the accomplishment of high precision trajectory tracking and reduces the disturbance of wind to the feed - supporting system

    以並聯機器人jacobian矩陣的條件數為優化設計的目標函數,提出了基於遺傳演算法的並聯機器人最優運動學性能結構參數優化設計法,採用實值遺傳演算法,對精調stewart平臺進行了優化設計,得到了最優運動學的精調stewart平臺結構參數,為實現新一代大射電望遠鏡饋源指跟蹤系統高精度跟蹤控制奠定了堅實的基礎。
  12. On basis of fractal theory and the principle of fractional brownian motion, this paper puts emphasis on the following parts : firstly, the determination of fractal non - scale range on calculate fractional dimension is discussed, which adopts method associated artificial cognition with track decision. secondly, primeval data are segmented into blocks to evaluate their sub - fractional dimensions. in this process, the maximal value of sub - fractional dimensions in different directions is prioritized

    本文利用分形幾何理論與分形布朗運動原理,重點研究和分析了以下的幾個問題:分形維數計算時無標度區的確定,使用了人工法與法相結合的法;對原始數據進行分塊分別計算其子分形維數,考慮了實際地形特徵的性,計算得到的子維數為局部的最大坡度上的維數;改進了傳統的隨機中點移位( rmd )內插技術,使用不同的插值比系數進行插值。
  13. Neglecting the influence of some factors, such as liquid ' s viscidity etc., upon the process of empty bubble breaking, the authors analyze the pressure variation on bubble ' s wall in all directions when it shrinks, and deduce the equation of its moving track towards the rigid side wall under the function of asymmetry pressure

    摘要通過對忽略液體粘性等一些因素對空泡潰滅過程的影響,分析了空泡在收縮過程中,泡壁四周壓強的變化,得出空泡在此不均勻壓強的合力作用下剛性邊壁運動的程。
  14. In addition to pic method, the numerical computation method is used as a compensation for the study of the characteristics of electron beam. the two methods are used separately to attain the trajectory of axially - emitted electron beam in diode region and drift region, and the trajectory of radially - emitted electron beam with axial, azimuthal, as well as compounded axial and azimuthal magnetic field. three two - dimensional codes and two three - dimensional codes have been made out to compute the trajectories

    本文特點之一就是採用粒子模擬和數值計算相結合的法進行模擬計算,分別得到了軸發射條件下電子在二極體區域和漂移區的,徑發射條件下電子在角磁場、軸磁場、角和軸復合磁場中電子的運動,分別編制了三個二維電子計算程序和兩個三維電子計算程序,最後將粒子模擬和數值計算得到的結果進行了對比,得到了較為滿意的結果。
  15. To make full use of the karst formation in guizhou province of china, a large spherical radio telescope array of the arecibo telescope was proposed in china in 1995. therefore, a completely new design project that integrating mechatronics and optics technologies with several large span cables is proposed to drive the feed - supporting system to realize the high precision positioning. for the high requirement of trajectory tracking of the feed - supporting system with large span cables, the feasibility of stewart platform served as a fine - tuning platform and the accomplishment of the high precision tracking are considered in details in this paper

    本文依託新一代大射電望遠機電光一體化創新設計案,針對饋源指跟蹤系統高精度跟蹤要求,以精調stewart平臺為研究對象,進行了6自曲度並聯機器人的運動學優化設計、動力學分析與奇異性分析,設計了強魯棒性自抗擾控制器實現高精度跟蹤控制;提出了新一代大射電望遠鏡饋源指跟蹤系統跟蹤獨立控制策略、規劃策略和控制模型; 50米縮比模型實驗驗證了跟蹤控制策略與法的工程有效姓和可行性。
  16. In the paper, based on the method of low pair replacing with high pair, the problem of cam design was transferred to that of linkage design. by means of rotary unit vectors, the equations of displacement, velocity and acceleration of the replacement mechanisms were developed. and then, the virtual linkage ' s length and direction were deduced

    論文基於高副低代原理,將平面凸輪機構設計與再現函數的平面連桿機構設計統一為同一種法,運用圓量函數建立代換機構的位移、速度、加速度矢量程式,求取虛擬連桿桿長和,由此展開凸輪理論廓線、實際廓線、曲率半徑和壓力角的求解,並得出用圓形刀具加工凸輪時刀具中心的程。
  17. Abstract : based on the principle that the radical force of each roller should be equal roughly during the stagger spinning process, matching relationships among reductions of rollers on slope are defined after considering fully various influence factors of radical force. then locus equation of each roller is defined by using geometry relationship

    文摘:基於錯距旋壓過程中各旋輪的徑力大致相等的原則,在充分考慮了影響徑旋壓力的各因素后,確定了處于斜坡時各旋輪的壓下量之間的匹配關系,進而利用幾何關系分別求得各旋輪的運動程。
  18. Abstract : this paper analysed the kinematic properties of ball joint hi nged on the piston rod and steering drag link of a separated assistant steering m echanism, and the equations of the path and mathematical model of pressure angle were established

    文摘:分析了分置式轉助力機構的液壓缸活塞桿與轉直拉桿相鉸接的球頭銷的運動特性,建立了其程及壓力角的數學模型。
  19. 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分析、計算船舶在橋區運動的及航帶,重點計算在風、流等因素影響下的船舶橫漂移量,並對船舶在橋區運動程的參數及橋區影響船舶橫漂移量的因素進行分析,為船舶在橋區安全航行提供理論依據。
  20. Using the dynamics model, the stability of evolution trajectory and critical value with different initial states, disturbance of environment parameter and disturbance of control decision - making parameters, which can decide the evolution trajectory ultimately in nonlinear time - dependent system, are discussed. according to the simulation results, some conclusion on the evolution trajectory control of complex economic organization of research and development are drawn, which proposes some method for the research of evolution of nonlinear economic system

    通過建立動力學模型,研究了非線性時變系統中決定演化最終的初始狀態、環境參數的擾動、可控決策參數擾動等各種情況下的演化穩定性和臨界值問題,通過模擬運算,得出了控制復雜研發型經濟組織演化的相關結論,為非線性經濟系統的演化研究提供了法。
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