集中參數系統 的英文怎麼說

中文拼音 [jízhōngshēnshǔxìtǒng]
集中參數系統 英文
lumped parameter system
  • 集 : gatherassemblecollect
  • 參 : 參構詞成分。
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 統 : Ⅰ名詞1 （事物間連續的關系） interconnected system 2 （衣服等的筒狀部分） any tube shaped part of ...
  • 集中 : concentratecentralizefocusamassgroupmassingput togather
  • 系統 : 1. （按一定關系組成的同類事物） system 2. （有條理的;有系統的） systematic
  1. Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping

    本文的主要內容如下： 1 ）對翅片管蒸發器結構特點進行分析，選取適當的微元控制體，就干、濕和霜工況下對每個微元分別進行傳熱傳質分析，基於經驗關系式確定霜的有關參數，對于霜工況下的霜生長建立模型，經適當假設，運用質量守恆、能量守恆和動量守恆方程建立適合動態模擬的蒸發器數學模型，為系統模擬奠定基礎； 2 ）對蒸發在大擾動下的開、停機過程，運用動態集中參數模型進行分析和計算，為更好地描述製冷系統運行的全過程奠定基礎，同時也為製冷系統實現自動控制提供一定的理論基礎； 3 ）對蒸發器正常運行過程，運用動態分佈參數和參數間定量耦合的觀點來分析和計算，為更好地了解穩態工況下各點參數的變化情況及各入口參數對蒸發器動態特性的影響即蒸發器性能對各參數變化的敏感性； 4 ）編寫翅片管蒸發器動態特性模擬計算程序，可以計算不同邊界條件和初始條件下的製冷劑熱力參數、空氣溫濕度和霜厚度分佈場，實現對翅片管蒸發器在干、濕和霜工況下的動態模擬。
  2. It was the first trial to employ the newly equipped migration data acquisition and analysis system for the scanning entomological radar and, a twin light - trap developed in china for, systematic long - term observations of migration of the beet armyworm spodoptera exigua, beet webworm loxostege sticticalis and cotton bollworm helicoverpa armigera in northern china the study provided direct evidence for the migration of 5 ". exigua in china, many parameters of migratory behaviour of the three species of insects, a better understanding of the relationship between migratory behaviour and wind or temperature field. the results enriched the theory of migration and provided new scientific knowledge for pest management in china

    本研究初步闡明了我國華北地區空中昆蟲群落結構，首次使用我國自行研製的掃描昆蟲雷達的數字化數據採集及分析系統，及價廉、高效的姊妹燈誘蟲法對華北地區甜菜夜蛾spodopteraexigua 、草地螟loxostegesticticalis和棉鈴蟲helicoverpaarmigera的遷飛進行了長期系統地觀測，得到了甜菜夜蛾在我國北方遷飛的直接證據，三種害蟲遷飛行為的若干參數，認識了昆蟲遷飛行為與風溫場的關系，豐富了昆蟲遷飛理論，為我國害蟲的治理提供了科學依據。
  3. This paper introduces the development process of wastewater disposal, it ' s auto control system, the level of nowadays and several new techniques of china and foreign countries. the immanent structure, control rules, main features and design methods of auto control systems in wastewater disposal process are studied in this paper. aiming at four typical parameters, such as temperature, dissolved oxygen, ph and the planes of water, the distributed control system is designed, composed by pc called epigyny computer and scm 8098 called hypogyny computer, and some sensors, shift deliver utensils and related meet orifices of parameters gathering and figures communication

    本文介紹了國內外污水處理及其自動控制系統的發展過程、當今水平和提高自動化程度的若干新技術；研究了污水處理自動控制系統的內在結構、控制規律、主要特點和設計方法；選取污水處理中的典型參數溫度、溶解氧、 ph值和液位等為控制對象，設計了以個人計算機為上位機、以8098單片機為下位機，並輔之以傳感器、變送器及相關介面單元所構成的二級集散控制系統（ dcs ） ；介紹了幾個主要程序模塊的設計思路、工作過程，這些程序模塊是：用高級語言visualbasic6 . 0開發的上位機人機交互界面程序、數據處理和圖表輸出程序，用執行效率高的匯編語言開發的下位機數據採集與系統監控程序、上位機與下位機之間的數據通信程序，匯編語言與vb之間的轉接程序，等等。
  4. The dynamic model of misaligned rotor - bearing system equipped with a flexible laminated membrane coupling was developed by using the method of lumped parameter in this dissertation, and the dynamic behavior, such as the nature characteristics, stability, steady state response of the system, etc. was analyzed based on the theory of linear vibration

    本文根據集總參數法建立了膜片聯軸器耦合的不對中轉子?軸承系統的動力學模型。基於線性振動理論分析了系統的固有特性、穩定性和不平衡響應。
  5. Then, based on the analysis of parachute design process, an expert system is used for the uncertain parameter decision and airdrop experiment fault diagnosis in the course of parachute design. the expert system is used in the parachute integrated design system

    通過對降落傘設計過程的分析，首次將專家系統技術引入降落傘設計過程中的不確定參數決策和空投試驗后的故障診斷，並在降落傘集成設計系統中得到了運用。
  6. 4. the algorithm solving an optimal control problem governed by a semilinear parabolic equation with the control in the coefficients and source term is studied. the strong variational method which presented by mayne to solve the optimal control of lump parameter system is developed to semilinear parabolic optimal control problem

    4 、把由mayne等所提出的用於求解集中參數系統最優控制的強變分法，推廣應用於一類控制變量含于高階導數項系數與源項中半線性拋物型系統最優控制之中。
  7. The temperature and humidity control system. the system consists of the local and administration stations and allows the center management being able to monitor the electric power supplying parameters, the electric power quality, the air conditioner running parameters and the ups running parameters in the local systems and facilities remotely using the administration station. the system divides the alert into levels, and uses different alert signals for different alarms

    在系統設計的過程中，根據系統安全性和管理的需要採用「分散式控制集中式管理」的設計模式，使區域結算中心機房管理人員，通過該系統平臺即可方便地觀看機房配電參數市電供電質量空調ups運行參數及報警狀態等信息，同時對報警事件，按照不同的報警級別，以不同的報警方式通知機房管理人員，確保機房安全穩定高效的運行。
  8. This article describes a way of special ultrasonic system which monitors thermal stress in seamless welded rails. this monitoring system is a non destructive testing system, which adopts avr mcu and high - precise time chip processing as the core of it, and adopts the critically refracted longitudinal wave as the object of measuring. my studying focuses on the theory of the monitoring system, which will be listed in this arctile : according to the snell theory, the theory of motivating of critically refracted longitudinal wave is described in details, and the finite element software is used to emulate the propagating course. the formulas of calculating the pts of swr are taken from the acoustoelasticity theory, and the calculating the parameters is introduced. according to assemble materials, three kinds of ways of monitoring the pts of swr using critically refracted longitudinal wave are described, which are measuring the sound - time in changeless distance, ultrasonic critical - angle refractomery and frequency spectrum, the first way of ways is used in this experiment system. the factors, which effect the monitoring system, are assaid in some degree based

    本文的研究工作重點在無縫焊接鋼軌溫度應力測量系統的理論模塊，包括根據snell原理，研究極限折射縱波的激發機理，並使用有限元軟體ansys進行模擬;根據聲彈性理論以及公式推導出計算無縫焊接鋼軌中的溫度應力的公式，並對其中參數的求解方法進行介紹;根據收集的資料，介紹了三種使用極限折射縱波測量無縫焊接鋼軌溫度應力的方法，即固定距離測量聲時法、臨界角折射法和頻譜分析法，本實驗系統使用的是第一種;根據實驗經驗以及相關資料，分析了影響極限折射縱波測量溫度應力的幾個因素，並提出了相應的解決方法;根據實驗系統的需要，獨立設計並加工出相關配套的實驗設備，包括實驗鋼塊、有機玻璃楔塊、固定件、載荷外框裝置等。
  9. Variable structure control is suitable for linear and nonlinear, continual and discrete, certain and uncertain, integrated and discrete parameter, synchronous and time - delay systems

    而變結構控制適應于線性與非線性、連續與離散、確定與不確定、集中參數與分佈參數、同步與時滯系統，具有一定意義下的完全魯棒性。
  10. U xl dcs is a powerful and competitive system with easy extension, perfect control, convenient data dealing, concentrated operation, friendly interface, simple and canonical installation, expedient debugging and safe and reliable running. by system configuration and software development for control, all important parameters in sintering process are stabilized and key procedures such like mineral blending and watering are insured for stability and precision

    Xl集散控制系統具有通用性強、控制功能完善、數據處理方便、顯示操作集中、人機界面友好、安裝簡單規范、調試方便、運行安全可靠的特點，經過系統配置和控制軟體編制，有效實現了燒結過程的主要參數穩定化控制，確保了混合配礦、濕度控制加水等關鍵工藝過程的穩定性和控制精度。
  11. The data is processed to obtain parameters required to model the system and then the system is realized on computer. now the position and load of the car of interest can be ready to be used. during the research, two methods are employed : neural network and attribute theory

    然後，對採集到的信號，進行數據分析、處理，並通過在對橋式起重機的整個狀態監測過程中，進行系統建模，並使得整個模型在計算機上實現，從而能夠及時得到小車的位置和載荷的重量參數。
  12. 1 the forecast model of the load of the heating system was put forward, parmeter of the model was recognized in genetic algorithm. on the basis of the result, the temperature of water supply was calculated and become target aim of burning system

    針對集中供熱系統的特點，設計了整個系統的運行控制方案。 1建立了供熱負荷預測模型，採用遺傳演算法對模型的參數辨識，並以此來計算當天的供熱溫度，指導鍋爐的自動控制。
  13. The subsystem is integrated in the cad system of catia, and applies kinematics 3d - manikin and mechanics 3d - manikin in different phase of aircraft cockpit design, and acquires perfect kinematics and mechanics results of pilot. the subsystem whose interface is friendly and utilization is directly, enriches the methods by which the designer estimates an aircraft cockpit design, and enhances the design efficiency and precision

    該子系統集成在catia系統中，在飛機座艙設計的各個階段分別引入了飛行員三維人體幾何模型和運動學模型，通過模擬飛行員的操作動作與計算視角、可達性、操縱力等參數，較好的反映了飛行員的運動學和動力學特徵；界面友好，操作直觀、簡便；豐富了設計人員對飛機座艙設計評估手段，保證了設計效率和精度；有利於飛機座艙設計水平的提高。
  14. Linear referencing system ( lrs ) provides the fundamental referencing space for transformation among various linear referencing methods ( lrm ) and supports multiple cartographic representations ( at any scale ), which presents a good way of integrating and sharing data in gis - t

    摘要線性參照系統在gis - t中提供了一種數據集成與共享的方法，可實現多種線性參照方法間的相互轉換及在任意比例尺的地圖上進行繪圖顯示。
  15. Lumped parameter systems are described by ordinary differential equations ; while distributed parameter systems are described by partial differential equations

    集中參數系統用常微分方程描述，而分佈參數系統用偏微分方程描述。
  16. Lumped parameter systems are those for which physical characteristics are assumed to be concentrated in one or more ‘ lumps ' and thus independent of any spatial distribution

    集中參數系統是指這樣一些系統，其物理特性都集中在一個或者多個集中體上，因此與空間分佈無關。
  17. What ' s more, the optimal solution cannot be guaranteed. according to the constraint nonlinear programming of designing horizontal trajectory presented by jiang shengzong in 2001, the paper constructs a nonlinear multilevel lumped parameter dynamical system by the nonlinear control theory and describes the existence of its solution and the controllability as well as the polykeys of this optimal control

    2001年江勝宗等人提出了側鉆水平井軌道設計的約束非線性規劃，本文應用非線性控制理論，建立了三維水平井井眼軌跡的非線性集中參數多階段動力系統，論述了該系統解的存在性及其最優控制的可控性和多解性。
  18. In this method, the mems design flow from the system level to device and process level was established and proved by the design of micro gyroscope. in the system level, the system modeling characterized by multi - discipline was simplified and solved by lumped - parameter modeling and nodal analysis method. the mems component library was constructed through analog hardware description language

    首先，針對mems系統級設計的多學科交叉的特點，提出了以集中參數建模方法解決mems系統的功能建模，以節點分析法解決不同功能元件的結構實現，以混合信號硬體描述語言作為系統建模和模擬的基礎，並以此建立mems元件庫。
  19. To many not strictiy self - similar image, the usual fractal image compression method based on block partition divides the image into non - overlap regular shape block collection. every block ' s iterate function system is found out by local self - similarity. the parameters of all iterate function system form fractal image compression code

    這種方法將圖象劃分為規則形狀的不重疊的子塊集，根據子塊的局部自相似性，找出集中每一個子塊的迭代函數系統，由全體子塊的迭代函數系統參數形成分形圖象壓縮編碼。
  20. Comparison of several lumped - parameter models to simulate the input impedance in systemic circulation

    心血管系統體循環輸入阻抗的幾種集中參數模型的比較和應用
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