耗散常數 的英文怎麼說

中文拼音 [hàosǎnchángshǔ]
耗散常數 英文
di ipation co tant
  • 耗 : Ⅰ動1 （減損; 消耗） consume; cost 2 [方言] （拖延） waste time; dawdle Ⅱ名詞1 （壞的音信或消息） ...
  • 散 : 散動詞1. （由聚集而分離） break up; disperse 2. （散布） distribute; disseminate; give out 3. （排除） dispel; let out
  • 數 : 數副詞（屢次） frequently; repeatedly
  1. The calculations axe based on the equation of current motion with temperature and field - dependent critical current density, and the heat dissipation produced by flux motion in the normal state region and the superconducting state region

    此計算基於電流運動方程，考慮到電流密度是溫度和磁場的函數，考慮到在正常區和超導區由磁通運動產生的熱耗散。
  2. Methods of test for determination of permittivity and dissipation factor of electrical insulating material in sheet or tubular form

    片型和管型電絕緣材料介電常數和耗散因數測定試驗方法
  3. 10. 01 test methods for relative permittivity dielectric constant and dissipation factor by fluid displacement procedures

    液體位移法測定介電常數與耗散系數的方法
  4. Standard test methods for relative permittivity dielectric constant and dissipation factor by fluid displacement procedures

    用液體位移法測定介電常數與耗散系數的標準試驗方法
  5. Standard test method for dissipation factor and permittivity parallel with laminations of laminated sheet and plate materials

    與層壓薄板材和中厚板材平行的層片的耗散系數和介電常數的標準試驗方法
  6. An on - line minimum - variance estimator was developed for thrust acceleration applied to orbit transfer using discrete - time radar measurements. the mass - flow - rate of propellant was selected as a state variant, which was estimated by employing an integral state model and ekf filter. the variation equations for measurement vector to mass - flow - rate have been established to linearize the discrete - time measurement equations. the algorithm has applied successfully to maneuver process in commanding satellite into geo - stationary orbit. the results show that the algorithm developed here can monitor and determine whether engine works well or failure precisely and quickly during orbit transfer process

    飛行器軌道機動過程中，為跟蹤、定位機動目標和干預機動控制過程，需要統計處理離散的雷達觀測量實時估計推進發動機的推力，進而確定飛行器的瞬時軌道參數.本文所述演算法是該工程問題的探討和解決方案.文章建立了軌道機動過程中連續變質量運動模型和離散雷達量測模型，推進發動機的質量秒耗量作為表徵推力加速度的一個近似常量，應用擴展卡爾曼濾波對離散的雷達測量數據進行順序統計處理給出秒耗量的最小方差估計;文章詳細地推導了線性化量測模型的變分方程和觀測矩陣;模擬結果表明該演算法能快速、準確地估計推進發動機的質量秒耗量和向機動目標施加的實際推力
  7. The investigation in this dissertation shows the capabilities of ausm + scheme, such as the exact resolution of shock, low numerical dissipation, simple and requiring less computational effort. the successful applications on supercritical airfoils and wings show that the present flow solvers based on ausm + scheme are of valuable and promising in practical application

    通過本文的研究工作，展示了ausm +格式的激波高解析度、數值耗散小、編程簡潔、計算量較小等特性，同時，將其成功地應用於跨音速超臨界翼型、機翼的定常或非定常氣動特性的數值模擬和顫振研究中，具有一定的工程應用價值和良好的發展前景。
  8. Hamiltonian systems arise widely in the fields of physics, mechanics, engineering, pure and applied mathematics, etc. it is generally accepted that all real physical processes with negligible dissipation could be expressed, in some way, by hamiltonian formalism, so that the research work for corresponding numerical methods is of important interest

    Hamilton系統廣泛地出現於物理、力學、工程、純數學與應用數學等領域。通常可以認為，一切耗散效應可忽略的真實物理過程，都能夠以某一方式表達成哈氏方程的形式。從而，對其數值方法的研究無疑具有重要意義。
  9. Since sontag - type control based on control lyapunov function is an important control law in robust stabilization of affine systems, we point out that is a kind of variable structural control in essence. due to this recognition and the fact that control lyapunov functions are difficult to be constructed, we propose the concept of weak control lyapunov function and then prove the stabilizing property and the robustness of sontag - type control. using the way of proposing the control lyapunov function and the special structure of sontag - type control, we investigate the dissipassivation control of a kind of perturbed nonlinear systems

    基於控制李雅普諾夫函數的sontag - type控制，是仿射系統魯棒鎮定研究中一種非常重要的控制律，通過研究我們發現，該控制律實質上是一種變結構控制；基於這一認識，也考慮到控制李雅普諾夫函數難于構造，我們抽象出弱控制李雅普諾夫函數概念，並證明了基於弱控制李雅普諾夫函數的sontag - type控制的鎮定作用和優化特性；借鑒控制李雅普諾夫函數的抽象方式以及sontag - type控制的特殊結構，探討了一類受擾系統的耗散化控制；探討了齊性度理論與控制李雅普諾夫函數相結合的鎮定設計問題。
  10. The numerical results under different methods, especially the simulation of recirculation region and reattachment length were carefully checked and compared. it indicated that the " variable c ? " model could effectively increase the dissipation near the wall and, more over improve the simulation of the reattachment length to close to the experimental results. 4

    比較不同修正方法下的圓管湍流計算結果，尤其是迴流區域和再附著長度的模擬結果表明：變模型常數的-模型有效地的增加了近壁區域的湍能耗散率，使再附著長度的計算結果更接近於實驗結果。
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