根軌跡法 的英文怎麼說

中文拼音 [gēnguǐjīfǎ]
根軌跡法 英文
root locus method
  • 根 : 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] ...
  • 軌 : 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
  • 跡 : 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 （...
  • 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...
  • 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，根據圓錐形、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、電子軌跡線，並得到了器件電學性能隨幾何參數的變化情況。
  2. 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軌跡、探詢長期造成我國農村社會保障制度困境的社會歷史根源、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根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。
  3. 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 、根據嚙合點和鋼球中心軌跡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。
  4. This paper introduces a method for calculating accurate coordinates in a cam contour. using a computer program, puts forward a technological process for machining the cam contour with a nc linear cutting machine. both of them are suitable for development of new products and localization of inport products

    介紹運用計算機精確計算凸輪輪廓尺寸的方法及數控線切割機加工凸輪輪廓工藝.其計算過程是：先根據凸輪輪廓尺寸原始數據運用c + +語言編程，然後用計算機精確計算凸輪輪廓尺寸.其加工步驟是：先按數控線切割機的指令格式編程，然後線切割機按程序指令控制鉬絲的運行軌跡
  5. Root locus method

    根軌跡法
  6. 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

    根據自動控制原理，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。
  7. 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。
  8. 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。
  9. 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。
  10. 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。
  11. 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。
  12. The assemblage angle and maximum step are studied, the method to calculate the maximum step of random structure paramers and random walking orientations is proposed and some formulations are deduced. the singularity and singularity workspace are analysed. based in zmp theory, the track programming is finished depending on leg position workspace

    根據zmp理論，在腿位置運動空間內作了軌跡規劃，劃分了步行周期，求出了腳圓心的軌跡，對速度和加速度作了規劃，應用離線軌跡規劃方法，給出了離線求取桿長伸長值及速度值的演算法框圖。
  13. In this paper, according to the technological requirement of machining optical parts and the principle of locus shaping technique, the author devised a special set of feed control system

    本文根據光學零件加工的工藝要求和軌跡成形法加工的原理，設計出一套專門的微量進給控制系統。
  14. According to the movement traces of yarn carriers on the braiding machine bed, a perform was divided into three regions, i. e. interior, surface and corner, and distinct control volumes were defined for each region. analyzing the control volume of each region, the yarn architecture of perform was described and three kinds of local unit cell were identified. then the relations between the braiding parameters of the perform were derived

    根據編織過程中攜紗器的運動軌跡特點，將預成形件劃分為三個不同的區域，分別定義了不同的控制體積單元，識別了預成形件的兩種局部單胞模型，分析了預成形件的紗線構造，並導出了編織結構參數之間的關系，同時給出三維編織復合材料的設計方法。
  15. Secondly, according to the requirement of the parametric sensitivity analysis, the method based on orthogonal experiment is chosen to cope with the difficulty of obtaining the sensitivity analysis through the partial derivative of explicit function. and it also overcomes the traditional single factor cyclical method ' s shortcoming ? impossibility to analysis interactional factors. furthermore, some significative conclusions are acquired from the sensitivity analysis

    其次根據軌跡優化問題靈敏度分析的需要，選取基於正交試驗的靈敏度分析方法，解決了軌跡優化問題沒有顯函數，無法通過求其偏導數獲得靈敏度的難點，同時克服了傳統的單因素輪換法對該類問題進行靈敏度分析帶來的弊端? ?無法對有相互作用的因素進行靈敏度分析，並通過對軌跡優化問題進行靈敏度分析，得出了一些有益的結論。
  16. On the basis of the known actual contour equation of cam in the disk typed cam mechanism with swinging oblique bottomed follower, this paper expounded another method for determining inversely the track equation of cutter center and the motion law of follower, and three key techniques in numerical inverse seeking were solved successfully by adopting the method of curve matching

    摘要根據已知擺動斜底從動件盤狀凸輪機構的凸輪實際廓線方程，闡述了反求確定刀具中心軌跡方程和從動件運動規律的另一種方法，並採用曲線擬合等方法成功地解決了數值反求中的3個關鍵技術。
  17. Thus the areas of the overlapping regions are compensated efficiently and the accuracy of measurement is highly improved. the volume of the bubbles can be estimated on the bubbles " area information, and a genetic algorithm ( ga ) based method is used to match and track bubbles in the image sequences, which solve tracking problem under complex conditions efficiently, such as some bubbles may have kinetic occlusion and crossover, some newly generated bubbles may entered into flow field and run away. a smooth kinetic locus is obtained by fitting the discrete centroids with a cubic spline function and at the same time the visual measurement is realized

    根據氣泡在圖像平面中的面積估計氣泡的體積，並對流場中的所有氣泡採用遺傳演算法進行最佳的匹配跟蹤，有效地解決了氣泡群在流場中出現如遮擋、交又、新它『出現、逃逸等復雜情況下的準確跟蹤，並採用三次樣條插值方法對離散的質心點軌跡進行擬合，得到氣泡在流場中平滑的運動軌跡，從而實現了摻氣水流特性的可視化測童。
  18. Abstract : a numerical model which can evaluate the movement of each individual occupant is developed, the model which divides a building setting into planar grids can described the position of each occupant at any point of time. the movement speed and direction of each occupant are dominated by the characteristic in the grids such as density, location etc. the approach in calculating movement pattern of each occupant and the exact evacuation time have been demonstrated in this paper, the result of the simulation is more accurate than that of the other software

    文摘:將建築物在平面上劃分成能反映人員具體位置的幾何坐標網格，根據不同人員在不同網格內的移動特性確定其移動速度，建立了描述人員疏散過程的數學模型，用場模擬的方法可以準確得到建築物疏散時間和人員疏散軌跡，其模擬結果與國外同類軟體對比具有較好的精度。
  19. Based on the hydrodynamic, by using momentum theory to the liquid in the flow channel, the computational formula of the air exciting - vibration force is acquired. by using four - step runge - kutta method, the periodic response results of the elastic rotor system with one single - disc are gained. then the dynamic characteristics of the rotor system at the certain rotate speed and the certain physic parameter of system are analyzed by using the phase spaces and poincare maps of this system

    基於流體動力學，通過對葉片流道內的流體模型應用動量定理，得到此汽流激振力模型，並採用四階龍格庫塔法，得出了單盤彈性轉子系統的周期響應規律，然後根據系統的相軌跡及poincare映射圖，分析了系統在特定轉速及特定的轉子系統參數下的運動特徵。
  20. The part represented by the polygon of the half section profile in its axis plane and cutter ' s trajectories for recording and arranging machining errors data are presented based on the analysis of the geometrical characteristics of the part and machining in turning process

    摘要根據車削加工工件的幾何外形和成形特點，提出了包含加工誤差信息的回轉體類工件半剖輪廓多邊形建模方法和記錄、組織加工誤差信息的刀具軌跡法。
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