軌線 的英文怎麼說

中文拼音 [guǐxiàn]
軌線 英文
[數學] path; trajectory; [俚] dog-leg path
  • : 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 (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...
  1. The subject of orthogonal trajectories remained dormant.

    正交軌線的問題一直處于沉寂狀態。
  2. In chapter 5. we discuss the patch perturbations of a integrable system

    第五章研究了可積系統的軌線變分問題。
  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分別為節錐面上的斜航與測地,後者的準為單葉雙曲面上沿直母方向的等螺距曲,且為直母族的正交軌線
  4. We may draw curves which have everywhere one of these directions for a tangent, these curves are called stress trajectory.

    我們可以畫一簇曲,這簇曲處處都有一個主方向作為切,這些曲叫做應力軌線
  5. By structure the bounded cubic systems in the plane, we prove that : 1 ) the system ( 1 ) have distribution of critical point with 5 - 4 ( 5 critical points with index + 1 and 4 critical points with index - 1 ), 3 - 2, 2 - 1, + 1 ; 2 ) the bounded cubic systems in the plane which has only one critical point with index + 1 have at least 11 structures ; 3 ) the distribution of finity critical points of bounded cubic systems with same topological structure near the equator have different struction

    摘要通過構造有界的平面三次系統,證實了( 1 )其有限奇點的5 4 ( 5個奇點指標為+ 1 ,另4個奇點指標為1 ) 、 3 2 、 2 1 、 + 1四種分佈均可實現; ( 2 )僅有一個指標為+ 1的有限奇點的有界三次系統至少有11種類型; ( 3 )赤道附近軌線拓撲結構相同的有界三次系統它們有限奇點的分佈可以有不同類型。
  6. The quasiclassical trajectory study for the n o2 no o atmospheric reaction

    的準經典軌線研究
  7. Railway fixed equipment. track circuits

    鐵路固定設備.鐵路軌線
  8. The necessary and sufficient conditions of the li nard system for intersection of positive secmi - orbits with characteric curve

    系統的正半軌線與特徵曲相交的充要條件
  9. The own ship maneuvering trajectory equations and optimal trajectory of bearing - only systems locating and tracking

    純方位系統定位與跟蹤的本載體最優軌線方程及其最優軌線
  10. The global asymptotical tracking of given trajectories is achieved and the boundedness of all signals of the resulted closed - loop system is also guaranteed

    兩種設計方案都實現了對給定目標軌線的全局漸近跟蹤,保證了閉環系統所有信號全局一致有界。
  11. In theorem 3. 3. 5, the derivative of lyapunov function along trajectories of system ( 1 ) does n ' t need to be required to be negative definite, which is different from functional differential systems

    在定理3 3石中, lyapunov函數沿系統)的解軌線的導數在iezumikhin型條件下不再局限於常負,這一點不同於泛函微分系統
  12. However, ppp ' s failure to hold does n ' t necessarily imply that no equilibrium exists. economists have found that equilibrium exchange rate is not a point but a trajectory related to internal and external equilibrium

    但ppp的失效並不意味著均衡匯率不存在,經濟學家們研究發現,均衡匯率不是一點,而是與經濟的內外均衡相聯系的一條軌線
  13. The method of multiple scales is used to determine the equations of modulation of amplitude and phase. the steady state response can be obtained by solving a couple of algebraic equations, which have been achieved by careful deduction under some conditions. and because of the complexity of the equations, programs are necessary to solve the equations mentioned above, and certain graphs are presented. based on chapter two, in chapter three, the method of multiple scales is introduced to the study of the multiple - dimensional nonlinear stochastic systems under random external excitation

    在第二章基礎上,第三章將多尺度法引入到相應的隨機系統的研究中;嚴格推導了系統的約簡方程,用矩方法求出穩態解應滿足的方程,獲得一些結果;並且數值模擬結果與理論推導的結果是一致的;並注意到,與其對應的確定性系統相比較,系統響應從周期解變為近似周期解,系統的相軌線從極限環變為擴大的近似極限環;隨著激勵帶寬的增大,此擴大的近似極限環的寬度將增大。
  14. In the second chapter, we obtain the necessary and sufficient condition where the cubic kolmogorov type system is bounded if homogeneous polynomials of degree 3 are relatively prime. and we obtain there are only four behaviours of the trajectories near the equator of the bounded cubic system if the homogeneous polynomials of degree 3 are relatively prime. in the third chapter, we study the existence and nonexistence of limit cycle for a class of bounded cubic systems

    第一章為引言;第二章,我們得到了齊三次項互素時三次kolmogorov型系統有界的充分必要條件及其在赤道上孤立奇點附近軌線的分佈情況有且僅有四種;第三章,我們研究了一類有界三次kolmogorov型系統極限環的存在性與不存在性。
  15. P. m. flight back to shenzhen. ( 4days tour ended )

    星期二) :乘座磁浮列車、參觀明珠輕軌線與上海鐵道學會交流。
  16. Iterative learning control is an important branch of intelligent control. the basic method of traditional ilc is to achieve control input based on the previous input and the pid - revised error of previous output. after some iteration, perfect tracking can be achieved over a fixed time interval

    迭代學習控制理論是智能控制的一個重要分支,傳統迭代學習的基本方法是,基於上次迭代時的輸入信息和輸出誤差的pid校正項,獲得本次迭代的控制輸入,經過若干次迭代,以期達到在給定的時間區間上實現被控對象以較高精度跟蹤一給定目標軌線
  17. In this thesis, according to rules of intensity design for standard gauge freight wagons, the major difference between the standard gauge and the meter - gauge was analyzed. especially, the longitudinal load is researched, and simulation programs are designed, the maximal longitudinal force between couplers is calculated in the situations of traction and brake. and based on the application situations of kunming railway bureau, the specification for the intensity design and accreditation test about the meter - gauge freight car is established

    本論文根據準貨車強度設計標準,對準、米差異較大部分,特別針對其縱向載荷進行了研究計算,編制了計算機模擬程序,求解了米貨物列車在牽引、制動等工況下車鉤間的最大縱向作用力,並結合昆明鐵路局米軌線路的實際運用情況,制定出了米貨車強度設計與試驗鑒定準則。
  18. Especially, when the isocline of x is monotone decreasing in 0 < x < 1, the svstem has no limit cycle and is globally stable ; next, we construct a saddle bifurcation at the boundary equilibrium and a degenerated bogdanov - takens bifurcation at the interior equilibrium by choosing appropriate parameter values in the following two sections, where our work are based on the theory of central manifolds and normal torms. we prove that is a codimention 3 focus - type equilibrium. system ( 6. 1 ) will have two limit cycles at some appropriate bifurcation parameter values, and have homoclinic or double - homoclinic orbits at some other appropriate bifurcation parameter values ; at last, we study the qualitative properties of the system at infinite in the poincare sphere

    因為系統在( 0 , 0 )點處沒有定義,這給研究其在( 0 , 0 )附近的動力學性質帶來了困難,我們應用文獻[ 17 ]中關于研究非性方程奇點的系列理論和方法,圓滿解決了這一問題,給出了第一象限內當t +或t -時,在全參數狀態下系統的軌線趨于( 0 , 0 )點的所有可能情況,其相圖也得以描繪;並且,系統不存在極限環的幾個充分條件我們也予以列出,當x的等傾在0 x 1范圍內遞減時,系統不存在極限環,全局漸近穩定;然後,我們以中心流形定理和正規型方法為主要工具,巧妙選擇參數,分別構造了一個余維2的鞍點分岔和一個余維3退化bogdanov - takens分岔,證明了平衡點是余維3的焦點型平衡點,存在參數, m ,的值使得系統( 6 . 1 )有兩個極限環,還存在參數, m ,的另外值使得系統( 6 . 1 )有同宿或雙同宿
  19. The results show that, when and 02 are in various intervals, the trajectories for systems ( i ) are either ultimately periodic or convergent to an equilibrium. the difference between system ( i ) and system ( ii ) only lies on the sign of self - feedback coefficient, but their asymptotic behavior of trajectories are much different. for the given initial value, the solutions for system ( ii ) all converge to the certain equilibrium

    結果表明:當_ 1和_ 2在不同的取值范圍內,系統( )的解或收斂到某一平衡點,或無限逼近於某個周期解,且部分_ 1 , _ 2下的極限環全局穩定;系統( )與系統( )的區別僅在於自反饋系數的符號為負,但由此其解軌線的極限性態發生了很大的變化,對于確定的初值,系統( )的解均收斂到確定的平衡點。
  20. Here these stability results do not require a lyapunov function to decrease along trajectories of the system, and we also do not give conditions on continuous portion or discrete portion of the systems respectively, but we can give mixing conditions on them to ensure that it does n ' t increase quickly

    本文所用的lyapunov直接方法不同於以往的常規方法,主要表現在所找的lyapunov函數不再局限於沿系統軌線單調遞減,也不再局限於對離散或連續部分分別設置條件,而是對其離散和連續部分設置混合條件以保證其不能增長太快
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