dynamic characteristic 中文意思是什麼

dynamic characteristic 解釋
動力特性
  • dynamic : adj 1 動力的,動力學的;力學(上)的;動(態)的;起動的。2 有力的,有生氣的;能動的;(工作)效...
  • characteristic : adj 有特性的;表示…特性的,…特有的。 Japan s characteristic art 日本特有的藝術。n 特性,特徵,性...
  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. Dynamic characteristic model of the electric motorcycle

    電動摩托車動力性能計算模型
  3. Dynamic characteristic of curve - arch - bridge for model test

    彎拱橋動力特性的模型試驗
  4. Research on dynamic characteristic of eddy acceleration geophone

    渦流檢波器動特性的研究
  5. The result of optimization and analysis show : 1 ) across - axis sensitivity is smaller, less than 2 % of the primary axis sensitivity ; 2 ) the first mode is dominant at primary axis, which reduce intersectional coupling ; 3 ) when damp ratio is between 0. 3 and 0. 7, accelerometer has better dynamic characteristic

    分析結果表明此種結構的具有: 1 )橫向靈敏度小, x 、 z方向的橫向靈敏度均不到敏感方向的2 ; 2 )在敏感方向上,一階模態起主導作用,其它模態的影響較小,有利於減小交叉耦合的影響; 3 )當阻尼比毛為0 . 3 ? 0 . 7時,傳感器具有較好的動態特性。
  6. It has important significance to probe and master in theory the dynamic characteristic during suspending period in improving the pumping stations designing, reducing the investment and ensuring the safe and reliable operation of pumping systems. - in this paper, a theoretical study was made on the dynamic characteristics of a large low - lift pumping system within suspending period

    停泵動態特性是大型低揚程泵、泵裝置、泵站重要運行特性之一,但其研究成果卻很少,不適應實際工程要求。從理論上探求和掌握大型低揚程泵站停泵動態特性,對于提高泵站工程設計水平,降低工程投資,實現科學管理,保證泵系統、泵站安全可靠運行具有十分重要意義。
  7. Magnetoelectricity gear method is a general torsional oscillation measurement method. it has disadvantages on less measure point and improved - needed dynamic characteristic. in the paper a new method of measuring torsional oscillation of the turbine - generator shaft was proposed on the basis of high speed ccd ( charge coupled device ) photography

    現行的扭振測量方法以磁電式齒輪測量法為主,這種方法存在測點少,動態特性有待提高的缺點,就此本文提出了一種基於高速ccd ( chargecoupleddevice )攝像技術的汽輪發電機組軸系扭振測量的新方法。
  8. Due to the moving base existence of the minehunting and the frame structure characteristic of the sonar array, a new modeling thought in which the boat body coordinates is regarded as moving coordinates and the whirligig equation of sonar array compared with the self coordinates is founded on the basis of the euler ' s theorem and the coordinate transform is introduced. the dynamic equations of minehunting sonar array with the state matrix form are founded by settling the dynamic models with the vector form. so it offers theory foundation for analyzing the dynamic characteristic and designing robust control

    由於獵雷艇作為動基座的存在和聲納基陣的框架結構特點,提出了以艇體坐標系為運動坐標系,運用變形的歐拉定理和坐標變換建立聲納基陣相對自身坐標系的旋轉運動方程的建模思想;將所建立的矢量形式的動力學模型展開整理,獲得了狀態矩陣形式的獵雷聲納基陣動力學方程,為系統動力學模型的實用化奠定了基礎。
  9. By the idea of dynamic mechanism and macroscopical control modeling, mathematical model describing the dynamic characteristic of bed temperature and mainstream pressure of 410t / h cfbb is proposed in this thesis

    本文利用動態機理宏觀控制建模的思想,建立了描述410t / h循環流化床鍋爐床溫和主汽壓動態特性的數學模型。
  10. Dynamic characteristic of the fan system was tested in this paper. the time constants of acceleration and deceleration was gotten and bode diagram of frequency response was presented. the results show that the frequency response of the system is satisfying in the range up to 0. 2 hz

    本文對風機系統的動態特性進行了測試,得到了它的加減速時間,並通過譜分析法得到了系統的幅相頻響應曲線( bode圖) ,結果表明系統在低於0 . 2赫茲范圍有較好的相應特性。
  11. The thermo - couple dynamic characteristic correction

    熱電偶動態特性校正
  12. Aiming at the compensation benefits calculation combined with development layout of the yellow river mainstream cascades is now taken into account the dynamic characteristic of different level years, the compensation benefit simulation model of the yellow river mainstream cascade reservoirs is adopted to calculate the power generation compensation benefits of the yellow river upstream run - of - river power stations in three level years of 2000, 2010 and 2020

    摘要針對以往補償效益的研究都是靜態計算而言,本文結合不同水平年黃河幹流梯級的滾動開發規劃,考慮不同年代補償效益的動態特性,採用黃河幹流梯級水庫補償效益的模擬模型,計算了2000 、 2010以及2020三個水平年黃河上游徑流式梯級電站的發電補償效益。
  13. The content of this thesis comes from the fujian natural science found following research task 。 it studies on a space cantilever single beam attached to a moving support 。 inertia forces which are brought by the support ' s movement , are acceded to the equivalent initiative forces and the equivalent initiative moments 。 when we consider the relation of the forces and deformation , we change the method of material mechanical analysis to the elastic mechanical analysis 。 further more , we discusses the feasibility of the method which uses the multi - rigid - body discrete model to simulate the dynamic characteristic of a elastic body 。 first , the finite segment method is adopted to establish the models of the beam 。 based on kane ' s equations , dynamic math - model for the beam are derived 。 and by use of c - language and runge - kutta procedure , the computer - oriented procedure can give the whole responses of the beam 。 second , with compare to the numerical examples , the method which uses the multi - rigid - body discrete model to simulate the dynamic characteristic of a elastic body which is under the condition of movement is verified to be feasible 。

    本論文為福建省自然科學基金后續研究課題,以已知支撐運動的單個空間懸臂梁為對象,在等效主動力與等效主動力矩中加入支撐轉動引起的慣性力,並在考慮力與變形關系時,用更一般的彈性力學分析代替材料力學分析,進一步研究用多剛體離散模型來模擬其動力學特性的可行性。首先,用有限段建立機械臂的多剛體離散模型,用kane動力學方法建立其動力學方程。並用c語言編制演算法程序,採用了四階runge - kutta積分程序求解微分方程組,給出構件的全部動態歷程。
  14. Size effect on the dynamic characteristic of a micro beam based on cosserat theory

    理論的微梁振動特性的尺度效應
  15. Dynamic characteristic calibrater

    動態特性校準儀
  16. Exciting method is used to measure the damping, the four damping coefficients of the radial part and a damping coefficient of the thrust part can be obtained though hammering the testing bearing which is in a equilibrium position. based on the testing data, the dynamic characteristic curves of the radial - thrust floating ring hybrid bearing are drawn and compared with the theoretical curves

    採用激振法測量軸承的阻尼,對處于平衡位置的測試軸承分別沿水平方向、上45度方向及軸向進行錘擊,根據錘擊法原理求得各個轉速下軸承徑向部分內、外膜總阻尼系數以及推力部分內、外膜總阻尼系數。
  17. The evaluation of contactor performances according as dynamic characteristic curves is put forward the first time. fuzzy logic and neural network are introduced to establish a model for the contactor performances intelligent evaluation system. the model mentioned above can give a performance evaluation result in the meanwhile of the contractor dynamic process testing

    首次提出以動態特性曲線參數作為接觸器性能評判的依據,並構造了基於模糊聚類分析和神經網路演算法的接觸器動態特性性能評判模型,在實現對接觸器動態過程測試的同時,給出接觸器動態特性性能評判結果。
  18. Dynamic characteristic of arc

    電弧動特性
  19. Because of the digitally rebalanced circuit, the sensor is capable of achieving better static and dynamic characteristic, higher sensitivity and stability. in this paper, the propagation path of light in the step index fiber and graded index fiber is introduced firstly. then the paper sets up the coupled power model and develops the coupling function

    在文中,首先介紹了光線在階躍型光纖和梯度折射型光纖中的傳播路徑,以及在一端鍍有反射膜的1 4波節長度的grin透鏡中的成像規律,並推導了光功率耦合函數。
  20. The dynamic characteristic of producing wells during the huff and puff in the xinzhuang field, henan, china

    開挖邊坡自組織特性及災害防治對策研究
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