instantaneous state 中文意思是什麼

instantaneous state 解釋
瞬時狀態
  • instantaneous : adj 即刻的，瞬間的。 an instantaneous bomb 瞬發炸彈。 instantaneous death 即刻死去。 an instantan...
  • state : n 1 〈常作 S 〉國，國家；〈通例作 S 〉（美國、澳洲的）州；〈the States〉 美國。2 國務，政權，政府...
  1. The results and the main contributions of the dissertation are as following. when the instantaneous impact is assumed and the friction between the contact surfaces is taken into account, the relations between the pre - impact state and the post - impact state cannot be described by using any simple impact laws

    論文共計八章，其主要研究內容及學術貢獻如下： （ 1 ）在瞬間碰撞假設和考慮碰撞面切向摩擦的情況下，斜碰撞前後的系統狀態關系不能用任何簡單的碰撞關系描述。
  2. For micro - cavity semiconductor laser, station model is proposed in this paper and its steady - state and instantaneous characteristics when the coupling efficiency of spontaneous emission into a lasing mode is equal to 1 are analysised. for current noise, sp noise, noise, p noise, as well as current modulation, sp modulation, modulation and p modulation, using small - signal approximation, we derive the laser ' s corresponding transfer functions. and we calculate their signal - to - noise ratio ( snr ) gain in various parameters through frequency domain analysis in the premiss of large input snr

    本文對于微腔半導體激光器，提出站模型，能夠較直觀簡潔地分析微腔半導體激光器的穩態和瞬態特性，利用此模型對具有重要實用價值的= 1的微腔半導體激光器進行了討論；對于電流i噪聲、自發發射壽命_ （ sp ）噪聲、自發發射因子噪聲、光子壽命_ p噪聲，以及電流調制、 _ （ sp ）調制、調制、 _ p調制，在小信號近似下，得到了相應的激光器的傳遞函數；在大信噪比的前提下，對激光器進行了頻域分析，分別計算了它們在不同參數下的信噪比增益，分析了其抗噪聲性能。
  3. Validate system load flow and fault models using instantaneous voltage angles. use system - state measurements to increase stable system loading through reduced margin requirements

    批準電力潮流和故障類型使用瞬時電壓角度.通過縮減利潤需求，使用系統狀態測量以增加穩定的系統負荷
  4. Finally, the intelligent monitoring method is introduced including the instantaneous stress field identification of bracket and the selection of key points, the evaluation and alarm according to key points work state, etc

    其中包括，基於模糊模式識別理論的牛腿瞬時荷載的自動識別、牛腿關鍵點的選擇、及關鍵點工作狀態的評估與報警等等問題。
  5. With the development of automobile industry and road transportation ， the traffic accidents happen every day in the world and become a serious society problem the vehicle collision accidents are over 2 / 3 times as much as all traffic accidents they cause a large amount of social infuence and serious economic loss therefore ， it is urgent to study vehicle collision accidents comprehensively and systematically ， and the research also is the academic foundation to analyze and deal with traffic accident it is difficult to authenticate car velocity after traffic accident to dig over locate witness is right way mechanics is avaid tool in this field it is important to establish math model and this is precondition to calculate vehicle velocity firstly on the basis of summarizing the research results ， this paper deeply discusses the calculating model to analyze the instantaneous motion state in the vehicle collision, the interrelation among the every moving mechanics parameters in the every phase of the collision secondly ， according to the collinear collision and two - dimension collision and the restitution coefficient ， the paper estabishesthe post collision movement models it proves that these models are correct and valid thirdly ， this paper try to research reconstruction of road traffic accident and put forward the method on it

    對交通事故的科學分析應是建立在正確的數學模型與計算機模擬技術基礎上的定量分析，其基本條件就是要有能正確描述事故過程中汽車狀態的數學模型，只有建立正確的數學模型，才能較準確地推定事故車輛的碰撞速度。所以建立正確地車輛碰撞模型和運動模型正是汽車事故再現的關鍵問題。本文首先在總結前人研究的基礎上，深入地研究汽車碰撞理論，分析了車對車碰撞作用瞬間狀態的計算模型及碰撞恢復系數與碰撞前、后速度的關系；其次，根據交通事故中最普遍的一維和二維碰撞的不同情況，採用恢復系數和滑動摩擦系數等概念，分別建立了碰撞后車輛動力學模型；第三，對汽車碰撞事故再現進行了初步研究，確定了車對車碰撞事故模擬計算和反推計算方法，並給出相應的模擬程序流程圖。
  6. We derive and prove some system reliability indexes such as reliability, instantaneous availability, steady - state availability, mut, mdt and so on for these three new models. some numerical examples are given to illustrate the results in the thesis

    本文對所建立的三個新模型的一些可靠性指標，其中包括瞬時可用度、穩態可用度、平均停工時間、平均開工時間、忙時等，進行了推導與證明，並對結果進行了分析與數值演示。
  7. Based on the investigation with several voltage control methods, such as venturini method, instantaneous double - voltage synthesis method and space vector modulation method ( svm ), three new control strategies are put forward. firstly, a time - varying modulation coefficient svm method is proposed to improve mc ' s anti - disturbance performance under the asymmetry input voltage. secondly, a 5 - state switching strategy is presented for mc controlled by the svm method, which reduces the commutation number and switching losses remarkably

    在分析了venturini控製法、瞬時雙電壓法、空間矢量法等電壓控制方法的基礎上，提出了在非對稱輸入條件下矩陣變換器空間矢量法的時變調制比改進控制策略，提高了變換器的抗干擾性能；對空間矢量法的開關策略進行了研究，提出了新型5狀態開關策略，在保證其他性能不受影響的條件下，減少了變換器的換流次數和開關損耗；提出了一種矩陣變換器單電壓合成的新方法，它不僅使得變換器的控制簡單，計算量減少，而且使得開關損耗達到最少。
  8. In this formulation, the instantaneous state of a quantum system encodes the probabilities of its measurable properties, or " observables "

    在這公式里，量子系統的瞬間態編碼了其可測量特性的概率，或者「可見的」 。
  9. The necessary and sufficient conditions of uniqueness, recurrent, ergodicity, exponential ergodicity, strong ergodicity, stochastically monotone, feller and symmetric properties - in - for the processes are presented. chapter 3 is devoted to studying an extended birth - death q - matrix with catastrophes and instantaneous state. we are able to give easy - checking existence criteria for such processes

    第二章討論具有突變率的廣義生滅全穩定q -矩陣，圓滿地獲得了q -矩陣零流出、零流入以及q過程的唯一性、常返性、遍歷性、指數遍歷性、強遍歷性、隨機單調性、 feller性、配稱性等充分必要條件。
  10. The thermal state of the piston has been studied under the thermal shock in the first time. the lumped parameter system of the temperature has been established under the triangle rectangle and instantaneous impact. and the simulation results also have been got

    首次建立了活塞在受到矩形波、三角形波、瞬態沖擊等熱激勵時的溫度變化的集總參數模型，進而獲得了在上述熱沖擊下活塞溫度的解析解及穩態解。
  11. It is discovered that the fluctuating increment of the instantaneous angular acceleration curve of crankshaft ( ay method ) put forward in this paper can be used to diagnose the power and compression condition of multi - cylinder engine in the state of shorter, more rigid crankshaft and lighter torsional vibration and in the rapidly diagnosed situation, and the ay method is better than the fluctuating increment of the instantaneous rotation speed curve of crankshaft ( n method ) which is used widely now

    結果發現，在內燃機曲軸較短、剛性較大、扭振較小、對診斷速度要求很快的場合，用本文提出的曲軸瞬時角加速度波動增量j法能較準確地判斷多缸內燃機各缸的作功狀況和壓縮狀況，優于目前廣泛使用的曲軸瞬時轉速波動增量n法。
  12. In chapter 3, it systematically analyzes the bi - dimensioned instantaneous temperature range state of piston, cylinder liner and piston rings when diesel engine type 4135 is considered under the normal friction heat

    第3章系統地分析了4135柴油機在考慮摩擦熱的正常工況下活塞、缸套和活塞環各部分二維瞬態溫度的分佈和狀態。
  13. Logic computing is boole expression - based computing on level. it can realize simulating the instantaneous state of digital circuits. but it cannot simulate circuits continuously which have complex delay properties

    邏輯運算是基於布爾表達式的逐級運算，它能夠實現對數字電路瞬間狀態的模擬，但對具有復雜延遲特性的電路進行連續時間的模擬就無能為力了。
  14. This paper contrasts performance of current controlled two - state modulation inverter with one based on voltage mean value and instantaneous value feedback by simulation

    在此基礎上，對電流控制兩態調制逆變器和電壓平均值電壓瞬時值反饋的spwm逆變器的性能進行了模擬對比。
  15. Base on the kinematics relation of ctp, the corresponding reynolds equation or average reynolds equation, fluid film thickness equation under qusi - stable state in polar coordinates, balance equations of load and moments under full - film contact and partial - film contact states were set up respectively. these model equations were calculated by the finite difference method, and the instantaneous 3 - d distribution of fluid pressure and the slurry film was simulated by the matlab software

    根據ctp的運動關系，分別建立了極坐標下，全膜接觸工況時的非穩態牛頓流體在ctp過程中的一般reynolds方程、流體膜厚方程、載荷平衡方程和轉矩平衡方程，以及部分膜接觸工況下的平均reynolds方程、平均膜厚方程、接觸壓力方程、總載荷平衡方程和總轉矩平衡方程。
  16. It has been recognized that the predictability of successive instantaneous state of the atmosphere is limited and very little skills exist in forecasting weather phenomenon beyond 10 - 14 days. nevertheless, there is some skill, though very far from perfect, in predicting anomalies in the seasonal average of the weather

    可預測度與氣候模式大氣的瞬間狀態的可預測度有限，超過10 - 14天以外基本上不可預測。盡管如此，季節性天氣平均或短期氣候的預測仍然有一定技巧的。
  17. Firstly on the basis of summarizing the research results, this paper deeply discusses the calculating model to analyze the instantaneous motion state in the vehicle collision, the interrelation among the every moving mechanics parameters in the every phase of the collision

    本文首先在總結前人研究的基礎上，分析了車對車碰撞作用瞬間狀態的計算模型及碰撞恢復系數與碰撞前、后速度的關系，介紹了gim輪胎理論模型的簡化形式，建立了碰撞后車輛動力學模型。
  18. The simulation results show that this controller constrains the oscillation of acr and the queue length of switch. in some degree, the performances of steady and instantaneous state have been improved

    線性pid控制器在一定程度上抑制了系統振蕩，使得系統的穩態/動態性能有所改善，同時使得系統具有一定的魯棒性。
  19. Let m be a finite / / - invariant measure of q - matrix, as q is totally stable, consists of a single absorbing state or single - instantaneous state, we prove that exists g - processes p ( t ], in which m be a ^ - invariant measure of p ( t ), and construct the q - processes p ( t )

    第四章致力於p不變測度的研究，設m是q的有限11不變測度，在q是全穩定、單瞬時不可和準保守擬q矩陣，以及含有吸收態的情形，分別證明了存在q過程p t ）使m是po ）的人不變測度，並且都具體構造出q過程
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