根軌跡 的英文怎麼說

中文拼音 [gēnguǐ]
根軌跡 英文
[數學] root locus
  • : Ⅰ名詞1 (植物的營養器官) root (of a plant) 2 (比喻子孫後代) descendants; posterity 3 [數學] ...
  • : 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 (...
  • 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...
  1. With the use of finite method we have developed computer simulation software for vacuum microtriodes with wedge - shaped and cone - shaped cathode on the basis of stduying deeply the field emission theory of vacuum microelectronics. the software included field section, grid point numbering, and the calculation of electric currents, transconductance and cathode capacitance, moreover, it can simulate the properties of vacuum microeletronic with variant structures and sizes. the relationship was studied and simulated among electic properties and device structures, sizes and cathode materials etc. the optimized design of vacuum microtiode was proposed

    本文在深入研究真空微電子器件場致發射理論的基礎上,據圓錐形、楔形陰極真空微電子三極體的不同特點,分別建立了物理和數學模型,在考慮空間電荷密度影響的前提下,以有限元法為基礎採用迭代的方法計算出真空微電子三極體內的電勢分佈情況,繪制出了等勢線、電子線,並得到了器件電學性能隨幾何參數的變化情況。
  2. So combine the item of “ space targets surveillance photoelectricity telescopes arrays system ”, this thesis does research in developing space targets visualization system. the main achievement in this thesis can be summarized as follows : 1. expatiate e the basic theory of satellite track dynamic, analyse the orbit characteristic of two - body problem and launch window, subastral point calculation, visibility and coverage analysis, two - line element sets

    本文結合「空間目標監視光電望遠鏡陣系統」課題,進行了空間目標可視化系統的設計和研究,主要作了以下幾方面的工作: 1 、闡述了衛星道動力學的基本原理,分析了二體道特性和發射窗口的基本特性,星下點計算、可見性和覆蓋分析和兩行數。
  3. The one used the actual locomotor orderliness gained by reverse seeking to amend the contour curve of the cam. the new academic contour curve of the cam and tracks of polar and right angle coordinates of the center of reamer were presented

    第一種是據反求得到的實際從動件運動規律,修正了開牙凸輪輪廓曲線,給出了新的凸輪理論輪廓曲線和刀具中心極坐標和直角坐標
  4. The output from this program would be a trace of the three rectangles.

    據此程序的輸出則為三個短形的
  5. This dissertation centers on the key word development, and deals with three problems. firstly, figure out the social and economic origins of the renascence of the private economy, depicting its tracks of developments and changes, then ; summarize the traits of the developments of the private economy in china

    本文緊緊圍繞「發展」二字,主要研究三個問題:第一,弄清私營經濟復生的社會經濟源,描繪它的發展變化,並在此基礎上概括我國私營經濟發展的特徵。
  6. Based on plenty of domestic and overseas documentation and accurate data about social security, this thesis utilizes a number of research methods, such as analysis, induction, assumption, comparison and historical materialism, etc. in expounding the significance and methods of building up the legal system of china ’ s rural social security in an all - round way from the following four aspects of expatiating on the fundamental issues of social security and the evolution track of china ’ s rural social security, exploring the social and historical rootstock resulting in the long - term predicament encountered by china ’ s rural social security, analyzing the so - called social security function of rural land, demonstrating the significance and routes of building the legal system of china ’ s minimum living security and social endowment insurance for rural residents, so as to reveal that the social and historical rootstock resulting in the long - term predicament encountered by china ’ s rural social security lies in the long - term social structure system of compartmentation between urban and rural areas, which is typically characterized by attaching more importance to industry than to agriculture, drawing profits from agriculture to accelerate industry ’ s development, by studying historically the predicament encountered by china ’ s rural social security, to disclose the serious reality that currently most of farmers lack social security and indicate the great significance of building up the legal system of china ’ s rural social security by refuting the argument that rural land can provide social security function, to clarify the necessity and feasibility of constructing the legal

    本文運用了分析、歸納、假設、比較和歷史唯物主義等研究方法,藉助國內外有關社會保障方面的大量研究資料和翔實數據,從闡述社會保障的基本問題與我國農村社會保障制度的歷史演變、探詢長期造成我國農村社會保障制度困境的社會歷史源、分析農村土地的社會保障功能以及論證構建農村居民最低生活保障法律制度與農村社會養老保險法律制度的意義和路徑四個方面全面論述了構建中國農村社會保障法律體系的意義和方法,目的是通過對我國農村社會保障困境的歷史性考察揭示造成我國農村社會保障長期積弱局面的社會歷史源就在於我國長期實行的重工輕農、以農養工的城鄉分割二元社會結構體制,通過對農地社會保障功能觀點的批駁揭示當前廣大農民缺乏社會保障的嚴峻現實,指出構建農村社會保障法律制度的重大意義,通過對構建中國農村居民最低生活保障法律制度和農村社會養老保險法律制度的積極探索論證構建我國農村社會保障法律體系的必要性和可行性。總之,同是作為中華人民共和國公民,無論是農村居民還是城市居民都應該在社會保障方面享有同等的權利。國家不能人為地重工輕農、厚此薄彼。
  7. The change of indoor contaminating material concentration is dynamical simulated by adjusting the flow of fiowrator. at the same time, the path formulas of simulate pollutant source is modified by experiment, and providing theoretical base for dynamic simulation

    通過調節轉子流量計的流量來達到動態模擬室內污染物質濃度的變化情況,並據對實驗結果的修正得出裝配式潔凈室室內模擬污染源的方程,為動態模擬提供了理論依據。
  8. The generation of the tool path means that by the geometrical models of parts, according to the adopted machines, the tools, the cutting patterns, the cutting allowance and etc., under some principles, the calculation of the cutter location was done and the tool path was generated

    刀具的生成是指通過零件幾何模型,據所選用的加工機床、刀具、走刀方式以及加工余量等,按照一定的導動規則進行刀位計算並生成加工運動
  9. 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,通過對非線性方程組的迭代求解,得到齒面方程的各個參數;由微分幾何和切齒嚙合原理推導了齒面上齒廓和齒線方向的曲率參數,得到了瞬時接觸橢圓的參數。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。
  10. As both the meshing point and ball ' s center are on the given cylinder, a general method for developing the cam ' s profile is studied. it is proved that the profile of positive and negative transmission is unique if the face gear, the difference between face tooth number and ball number and the diameter of ball are the same. the concrete expression of meshing cam on given spatial cycloid profile, and the characteristics of the profiles are discussed

    論文的主要工作包括: 1 、據嚙合點和鋼球中心均在同一圓柱面上的特點,研究了給定端齒齒廓條件下求解凸輪齒廓的一般方法;論證了在給定端齒、齒差數和鋼球直徑相同的條件下,正負齒差嚙合齒廓的唯一性;討論了端齒為球面擺線時,凸輪齒廓的具體表達式,並研究了該齒廓的性質。
  11. Stability analysis of operation for passenger car - trailer based on root - locus method

    基於根軌跡的拖掛式房車操縱穩定性分析
  12. Root locus method

    根軌跡
  13. Analysis of the influence of the accumulator on the stability of hydraulic system by root - locus

    根軌跡分析蓄能器對液壓系統穩定性影響
  14. If the part of the real axis between two o. l. poles ( o. l. zeros ) belong to the loci, there must be a point of breakaway from, or arrival at, the real axis

    如果實軸在兩個開環極點(開環零點)之間屬于根軌跡,則在其中必定有突破點(匯合點) 。
  15. Pid control method is established and the corresponding parameters are got with the methods of roots design and frequency design. finally, numeric simulation and semi - objects simulation are finished

    據自動控制原理,本文確定了pid控制的策略,建立了pid控制器,並由根軌跡設計方法和頻率設計方法確定了相應的控制器系數。
  16. 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,將控制系統分為俯仰、偏航、傾斜三個相互獨立的通道,用頻域分析法和根軌跡法設計控制律、選取控制器參數。
  17. The steady - state errors of current closed loop system with pi current regulator in stationary and synchronous frames are compared using complex vectors. also, the corrector of rotor displacement control is studied by the root locus method

    應用復合矢量概念,對比了靜止坐標系和同步旋轉坐標系pi電流調節器組成電流閉環系統的穩態誤差,並用根軌跡法對轉子位移控制系統的校正環節進行了研究。
  18. The control laws of longitudinal and lateral - directional autopilot modes are designed based on root locus theory. the control laws of altitude holding mode, heading holding mode, auto - throttle control and air speed holding mode are designed as well

    研究了無人機的飛行控制技術,利用根軌跡法設計了無人機的縱向與側向姿態保持控制律,設計了高度保持、航向保持、自動油門及速度保持控制律。
  19. In addition, the approximate formula for coefficient k p, ki, kd is also suggested by using characteristic index of forecast control. finally, through emulation, the fractional - order pi ~ d ~ arithmetic is compared with the integer - order pid arithmetic. the availability of the strategies and stability of systems are proved by doing some analysis and simulation

    然後利用根軌跡的方法分析了擁塞控制系統的穩定性,並在此基礎之上採用廣義預測控制方法所應用的特性指標求出了k _ p , k _ i , k _ d的近似計算公式。
  20. Topics covered include : properties and advantages of feedback systems, time - domain and frequency - domain performance measures, stability and degree of stability, root locus method, nyquist criterion, frequency - domain design, compensation techniques, application to a wide variety of physical systems, internal and external compensation of operational amplifiers, modelling and compensation of power coverter systems and phase lock loops

    所涉及的主題包括:反饋系統的特性和優勢,時域和頻域性能度量,穩定和穩定度,根軌跡法,奈魁斯特準則,頻域設計,補償技術,種類繁多的物理系統應用,運算放大器的內部和外部補償,能量轉換系統的建模和補償,以及鎖相環。
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