時間變化控制 的英文怎麼說

中文拼音 [shíjiānbiànhuàkòngzhì]
時間變化控制 英文
time variation control
  • 時 : shí］Ⅰ名1 （比較長的一段時間）time; times; days:當時at that time; in those days; 古時 ancient tim...
  • 間 : 間Ⅰ名詞1 （中間） between; among 2 （一定的空間或時間里） with a definite time or space 3 （一間...
  • 控 : 動詞1 （告發;控告） accuse; charge 2 （控制） control; dominate 3 （使容器口兒朝下 讓裏面的液體慢...
  • 制 : Ⅰ動詞1 （製造） make; manufacture 2 （擬訂; 規定） draw up; establish 3 （用強力約束; 限定; 管束...
  • 時間 : time; hour; 北京時間十九點整19 hours beijing time; 上課時間school hours; 時間與空間 time and spac...
  • 控制 : control; dominate; regulate; govern; manage; check; cybernate; manipulate; encraty; rule; rein; c...
  1. Takes the case of beijing city, this dissertation mainly studies the spatial distribution characteristics and temporal change trend of urban land price in different uses, and explores the spatial structure of land price and the mechanism of its formation, in order to supply some references for city function zoning, optimizing city land use structure and regulating city land market

    本文以北京市為例，主要研究不同用途城市地價的空間分佈特徵和時間變化趨勢，揭示城市地價空間結構及其形成機制，為確定城市功能分區、優化城市用地結構和宏觀調控城市土地市場提供依據。
  2. Control chart is a kind of charts that are used to analysis and determinate whether a process is in - control or not. it use a graph to illuminate the quality variations in production process, and help to find the sources of the variations - common causes or special causes. it is a useful statistical method to keep a process in a stable situation

    控制圖是用於分析和判斷工序是否處于控制狀態所使用的帶有控制界限的圖，它通過圖形的方法，顯示生產過程隨時間變化的質量波動，並分析判斷它是由於偶然因素還是由於系統因素造成的，從而提示管理者及時採取相應的措施，消除系統因素的影響，保持工序的穩定狀態而進行的動態控制的統計方法。
  3. To optimize milti - period inventory systems, in which quantity discounts are available, demand rates change over time, and checking and replenishments are made periodically, an algorithm was proposed to search control rules

    摘要針對供應商提供數量折扣、需求率隨時間變化、周期性檢查並補充庫存的多階段庫存控制策略，提出一種優化演算法。
  4. Considering the high correlation between quantity demand of spare parts and life of equipment, this paper offers an inventory model to determine the times of order, reorder point and quantity of spare parts during the whole life of equipment on condition that the demand rate of spare parts changes with time while the total cost of ordering and stocking is lowest

    基於備件的需求量與設備使用周期密切相關這一關鍵點，從設備的整個使用周期入手，結合設備的使用情況，在備件需求率隨時間變化的情況下，對備件庫存控制問題進行了研究，建立了在設備整個使用周期內使備件總訂貨成本和存儲費用最低的數學模型，給出了備件最佳訂貨次數、訂貨時間和訂貨批量的計算公式。
  5. Thirdly, this paper set up the diffusion model of innovation including variant latent consumers such as adopters, possible ones and unknown ones. then given the differential diffusion equation according to the study of the transmission of these three parts and discussed the stability of solution and controllability and measurability of this system. finally described the influence of the economy and government to the innovation diffusion

    再次，本文將創新產品的所有潛在採用者分為可能者、採用者以及未知者三類，並通過分析這三者之間的轉化關系，得出了這三類採用者隨時間變化的微分方程，並運用控制論的方法對方程進行了穩態分析和可控、可測性評價，分析了國家政策等外部因素對加速創新擴散的影響。
  6. In the models, the time dependent parabolic equations, deduced from the mild slope equations with currents or not, are used as the governing equations. based on the general conditions for open and fixed natural boundaries with an arbitrary reflection coefficient and phase shift, the boundary conditions for the present models are treated. the alternative direction implicit method is used to solve the governing equations and the numerical schemes are unconditional stable

    在建立模型時，將原始的橢圓型緩坡方程的近似型式? ?依賴時間變化的拋物型方程，作為控制方程；從將開邊界條件、不同反射特性的固壁邊界條件相統一的表達式出發，對邊界條件進行處理；用adi法數值求解控制方程，格式無條件穩定；節省了計算機內存和計算量。
  7. ( 2 ) a series of experiments on time scale distortion are made with real river model, inflow and outflow boundary condition, and continuous simulation. by means of analysis of the experimental data on model water level, water - surface gradient, cross velocity, outflow discharge process and the sediment transportation capacity, the main physical reasons for the above hydraulic parameters deviations caused by time scale distortion are illustrated : response delay of model channel storage capacity and rate of water level with time

    （ 2 ）採用真實的河工模型和入出流邊界控制條件以及連續模擬的方法進行了有關時間變態率的系列試驗，通過模型水位、比降、流速、出口流量過程線和斷面挾沙力試驗資料的分析，闡明了時間變態引起上述各種水力參數偏離的主要物理原因：模型的槽蓄響應和洪水過程時間變化率的響應滯后。
  8. The simulating eye model was created based on anatomy and muscle characteristics, and animated by multi - curve spectrum, which indicates time - varying muscle contraction

    首先依據人眼解剖結構及肌肉控制原理建立模擬模型，再用表示各肌肉歸一化收縮量隨時間變化的多線譜曲線驅動模型，模擬不同的人眼運動及表情。
  9. Have introduced the demand analysis of the e - commerce web site of " yue tan shi jie " in detail in the thesis, have put forward the plan of structure design of the database on the basis of demand analysis, and during function of website, how be according to the actual conditions of the website, make procedure to control database space, memory change, data file change situation regularly ; how to carry on the database performance optimize according to the controlling report ; how to make backup schemes

    論文中詳細介紹了在「月壇視界」網站需求分析的基礎上提出的數據庫結構設計方案，以及在網站的運行期間，如何依據網站的實際情況，編製程序實現對網站數據庫的表空間變化、內存變化、數據文件變化等情況進行定時監控；如何基於監控報告進行數據庫性能優化；如何從實際出發制定切實可行的數據庫備份方案。
  10. Chapter 4 focuses on the theory of voltage space vector pulse width modulation ( svpwm ) and its control strategy. a fast space vector modulation algorithm for 3 - level 3 - phase converter is also described in this chapter

    首先，分析介紹了空間矢量控制在三相三電平逆變器控制中的應用，採用了一種簡單的空間矢量演算法，簡化了實時計算。
  11. Considering the characteristics of internal force and structures of simply supported pc bridges, a novel automatically step - up method ( asum ), taking into account the influence of steel arrangement, steel ratio, stress losses of tendons and time - dependent concrete modulus, to analyze creep and shrinkage effects is presented. this method accepts all kinds of expressions of creep and shrinkage, and it is easy to calculate total stress, strain of concrete and steel and deflection of bridge at any time, the expected prediction accuracy will be obtained by further dividing the time - step within duration

    首先，針對預應力混凝土簡支梁橋的受力特徵和構造特點，提出了徐變效應分析的全量形式自動遞進法，可考慮截面上鋼筋位置、配筋率、預應力鋼筋鬆弛、混凝土彈性模量隨時間變化等影響，且計算式可適用於任何形式的收縮、徐變特性表達式；建立的公式可方便地求解任意時刻混凝土、鋼筋的應力與應變和跨中梁體的豎向變形，計算精度可方便地通過計算時段的細分來控制，直至給出滿意的結果。
  12. The limited - jerk control commands are designed by fixing on a jerk maximum to limit the varying ratio of the reference orders, then the optimal time delays are solved by minimizing the oscillation energy of flexible modes

    通過確定最大沖擊值，對指令信號的時間變化率加以限制來設計有限沖擊控制指令，然後令柔性模態振蕩能量最小，計算濾波器的最優時滯。
  13. Layout input pole length ' s locus when the mechanism follows kadang movement in two ways. one is multinomial curve locus and the other is linearity intermixed by parabola curve locus. we study the displacement > velocity and acceleration curve consulting time under variety velocity characters, and get the best curve and the best velocity character, which will have a very important significance for kadang movement ' s input control of this mechanism

    對卡當運動輸入桿件的伸長進行了軌跡規劃，採用了多項式與混有拋物線的線性函數作為規劃軌跡，研究了不同速度參數條件下的位移、速度、加速度的時間變化曲線，給出了最優曲線和最優速度，這對于機構卡當運動輸入控制的實現和優化具有重要意義。
  14. Water properties like salinity and concentration of suspended sediments in the estuary vary in time and space, and alter the element partitioning between solid phase and solution via adsorption and desorption

    河口中的鹽度、懸浮泥沙濃度等因素的時空變化頻繁，並通過吸附及解吸等過程式控制制著化學元素在顆粒固相和溶液相之間的相態分配。
  15. 3, considering of the combustion reaction controlled by multi - mechanism, calculated results showed combustion wave of the continual combustion also changed to an unstable combustion way, the combustion temperature and wave propagating velocity changed periodically. by changing factors about the reaction mechanism, results showed the periodic oscillation combustion was mainly caused by the effect and feedback between chemical reaction and thermal conduction

    3 、計算結果同時顯示， shs燃燒過程中的不穩定主要來源於燃燒過程的熱反饋造成的化學反應機理變化，在這種存在多機理控制的反應體系中，燃燒過程的溫度會隨時間變化而出現有規律的振蕩。
  16. Controls the appearance of the waves over time. the range is 0 to 1. the default is 0

    控制波紋隨著時間變化的外觀.范圍是0到1 .預設的是0
  17. Power bond graph is used to established the bond graph model of the lifting and dropping of hydraulic pile hammer and state space equation in the paper for hydraulic pile hammer is perplexing nonlinear system. in order to attain the graph that pressure, position, velocity, acceleration vary with time in the course of driving pile simulation procedure solving state space equation is designed on the basis of combining four - order runge - kutta method with predicator - corrector method, dynamic simulation of the hydraulic system is studied in matlab 6. 5. it is convenient to analyse dynamic characteristics of the hydraulic syste m, beneficial to the design and parameter optimization of the hydraulic system. in the final part of the paper, under detailed analysis of the control characteristics for double - acting hydraulic pile hammer with double cylinders, control system based on the programmable logic controllers founded on technology of modern compute is designed

    由於液壓打樁錘液壓系統是一個復雜的非線性系統，本文採用功率鍵合圖法建立液壓打樁錘上行、下降的鍵合圖模型和狀態空間方程，通過四階龍格?庫塔法和預估?校正法相結合編制了模擬程序對狀態空間方程求解，在matlab6 . 5中進行液壓系統的動態模擬，獲得液壓打樁錘運動過程中壓力、位移、速度、加速度等隨時間變化的曲線圖。此曲線圖方便了對液壓系統動態特性分析，為液壓系統的設計和參數優化提供了有益的借鑒。最後，在深入分析雙缸雙作用液壓打樁錘控制系統的功能要求后，採用了以現代計算機技術為基礎的新型工業控制裝置? plc可編程式控制制器，設計出了雙缸雙作用液壓打樁錘的電器控制系統。
  18. According to the positive and negative deviations of the obligatory objective, the realized degree coefficients are calculated for the different levels of control strategy

    利用該目標規劃模型，可根據旅客列車實際運行的需要，通過變化控制策略和賦予各目標的優先因子，實現對列車發車時間域的優化。
  19. Abstract : factors that influence the delay precision of commerical delay detonator were introduced. the charging and pressing technique, variation and time variation law of the composition, the powder processing was discussed

    文摘:介紹了工業延期雷管延期精度的影響因素，並對裝配工藝中的裝壓藥工藝方法、藥劑變化原因、藥劑時間變化規律和制藥工藝控制進行了討論。
  20. Three semi - active control algorithms based on energy absorbed, kinetic energy, and energy of deformation of buildings are investigated. in physics coordinate, both the dynamic characteristics of buildings controlled and the effects of semi - active control using them are studied. the choices of parameters of control devices are studied

    基於地震作用下結構的能量響應方程，提出了根據結構吸收能量、相對動能和變形能的隨時間變化（對時間的一次導數）進行結構的半主動「開關」減震的控制律；在物理坐標系中分析了這三種控制律的動力特徵和控制效果，以及作動器參數的選取。
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