differential parameter 中文意思是什麼

differential parameter 解釋
微分參數
  • differential : adj 1 差別的,區別的;特定的。2 【數學】微分的。3 【物、機】差動的,差速的,差示的。n 1 (鐵路不...
  • parameter : n. 1. 【數學】參數,變數;參詞;參項。2. 【物理學】參量;(結晶體的)標軸。3. 〈廢語〉【天文學】通徑。vt. -ize 使參數化。
  1. I establish mechanics model of hyperboloid clutch with rollers with differential geometry. at the same time, in the base of above research, find the relation between the condition of ehl and the parameter hyperboloid clutch with rollers with formula of dowson. d, and validate the intensity of hyperboloid clutch with rollers

    同時,在對以上模型深入研究的基礎上,利用道森公式計算牽引傳動形成條件與加載器設計參數間的關系,並對加載器進行了牽引傳動強度校核。
  2. The result shows that all these system are simple eutectic, at the same time, the entropy of phase change of every system in the eutectic point is determined by using differential scanning calorimetry ( dsc ) on the basis of experimental research, through the improved one - parameter margules equation by introducing a new variable temperature, the improved equation was designed to compute solid - liquid equilibrium

    測定結果表明,這幾組體系均為簡單低共熔體系;同時利用差熱掃描量熱法( dsc )對上面各組體系低共熔點處的相變焓進行了測定。在實驗研究的基礎上,通過改進單參數margules方程並引入新的變量溫度,達到了將此方程用於固液平衡計算的目的。
  3. Collisonal quantum interference ( cqi ) was observed in the intramolecular rotational energy transfer in the experiment of the static cell, and the integral interference angles were measured. to observe more precise information, the experiment in the molecular beam should be taken, from which the differential interference angle can be obtained precisely. in this paper, the theoretical model of cqi is described in an atom - diatom system in the condition of the molecular beam, based on the first - born approximation of time dependent perturbation theory, taking into accounts the anisotropic lennard - jones interaction potentials. the method of observing and measuring correctly the differential interference angle is presented. the changing tendencies of the differential interference angle with the impact parameter, velocity, and et al. are discussed

    分子內部轉動傳能的靜態池實驗觀察到了碰撞量子干涉效應( cqi ) ,並且測得積分干涉角,為了獲得更加精確的分子內部轉動傳能的碰撞量子干涉效應信息,實驗就必須要採用分子束實驗進行.本文理論上採用各項異性相互作用勢,應用含時微擾理論的一級波恩近似,假想在分子束實驗的條件下,建立在原子-雙原子分子體系中碰撞量子干涉的理論模型.理論上推導出微分干涉角具體表達式,通過計算定性地討論了微分干涉角隨著碰撞參數、速率等的變化趨勢,同時初步探討了實驗的正確觀測途徑,得出了採用分子束進行實驗觀測的實驗方法,為進一步進行分子束實驗提供了理論基礎,對實驗的進行起到了一定的借鑒作用
  4. The elastic foundation model is considered as two - parameter elastic foundation model and its effect to moderate - thick plates are taken into account by a set of governing differential equations. united with hu hai - chang ’ s function, least squares collocation weighted residual method which uses b - spline function as trial function is put forward for solving the bending problems. compare with the results of finite element method of lines, spline finite strip method, accurate solution of series etc. it is proved that the method in this article has adequate accuracy and practical feasibility

    本文採用瑞斯納中厚板理論求解彈性地基板,建立雙參數地基與中厚板相互作用的控制微分方程,結合胡海昌的解耦函數,運用雙五次b樣條函數作為試函數的離散型最小二乘加權殘值法分析了雙參數地基上的中厚板的彎曲問題,並將結果與有限元線法、有限條法、級數精確解等進行比較,證明本文方法具有足夠的精確性與實際的可行性。
  5. Finally, a method is put forward to construct the nurbs curves on sphere, which extends the de boor recursive algorithm in r3 to one on the sphere by replacing the geodesic distances for the lines and studies their many geometric properties analogous to those in euclidean spaces, such as the differential property, the local property, the parameter invariance under a projective transformation, and so on

    兩種方法均給出誤差估計,使逼近螺線可達到任何預先給定的精確階。最後,給出球面nurbs曲線生成演算法:用球面上測地線? ?劣大圓弧代替直線段,將歐氏空間r ~ 3中的deboor遞推演算法推廣到球面上構造麯線。
  6. Zhang hong, wang chao, shan xinjian, ma jin. focal mechanism analysis and parameter estimation of zhangbei - shangyi earthquake from differential sar interferometry. chinese science bulletin, 2002, 47 ( 4 ) : 334 - 336

    張紅,王超,單新建.基於sar差分干涉測量的張北-尚義地震震源參數反演.科學通報, 46 ( 21 )
  7. The water quality respond relation of input - output measurements are established by systematic theory in this paper. according to the peculiarity of hydrology and the necessity of water quality inverse problem the multi - parameter inverse problem model based on ordinary differential equation is developed. the existence and uniqueness of the solution of the ordinary differential equation about two parameters or multi - parameter are to be proved. the unstability depending on errors between monitoring data and interpolation approximate data are analyzed and demonstrated. cubic spline interpolation function, the least two multiply and positive rule method are conjoined for obtained solution of multi - parameter. the results from this algorithm indicats its efficient to the multi - parameter identification in water quality modeling

    本文應用系統理論,建立了水質多參數輸入輸出之間的響應關系;根據河流水文水質變化特點和參數反問題的需求,建立了水質常微分方程多參數反問題模型.根據常微分方程參數反問題的數學理論,作者給出了兩參數和多參數水質常微分方程反問題的解的存在性、唯一性的理論證明過程和結論;還針對水質現有監測資料的測驗誤差和插值近似計算誤差造成參數反問題的不穩定性,將三次樣條插值函數、超定方程最小二乘法和正則化演算法有機地結合使用,成功地給出了水質參數反問題的穩定化演算法.最後給出了應用計算結果
  8. Choose models according to max oprating temperature, max oprating pressure, max operating differential pressure that listed the parameter table

    用戶根據用汽設備的最大用汽量(乘以選用倍率系數2 - 3倍) ,最高工作壓力、最高工作溫度、最高工作壓差對照表中參數選型。
  9. The optimal performance state ' s parameter of thermoelectric refrigerator under different work conditions was obtained on the assumption that the temperature in the cold side is invariable. and, the optimal performance state ' s parameter of thermoelectric refrigerator under the third kind boundary conditions was also obtained. the transmission of heat differential equation for the heat conduction process of thermoelectric module was derived and the solution with the first kind boundary conditions under the influence of thomson effect and the solution with the third kind boundary conditions without the influence of thomson effect was obtained

    在假設熱電製冷的熱端溫度固定的條件下,得出熱電製冷器在不同工況下的最佳工作參數並進一步求得在三類邊界條件下的最佳工作參數;導出了電偶臂在電與熱的偶合作用下傳熱微分方程,並對其進行解析求解:在考慮湯姆遜效應的影響下得出一類跟三類邊界條件下傳熱方程的解析解,在忽略湯姆遜效應的影響下得出二類跟三類相的邊界條件下傳熱方程的解析解。
  10. With the software cadence, model establishment and parasitic parameter extraction are made on the main pcb lines of the proposed circuits. equivalent circuit models of common mode combined with differential mode current and noise simulation models are also established on full bridge switching - mode converters. study on the simulation of conducted interference noise is made with the software saber and the effects on the circuits " noise by the main parasitic parameters are also analyzed

    在對全橋開關型變換器電路工作原理分析的基礎上,建立了全橋開關型變換器主要元器件的電磁干擾參數模型,利用cadence軟體對其pcb主要印製導線進行了建模分析和寄生參數的提取,得到了全橋開關型變換器傳導干擾的共模、差模噪聲電流等效電路模型以及噪聲模擬模型,並運用saber軟體進行了傳導性干擾噪聲的模擬研究,分析了主要寄生參數對電路噪聲的影響。
  11. The shortages of traditional pid ( proportion integral differential ) controller are that the system ’ s overshoot is large, regulation time is long and parameter is hard to be real - time adjusted and the system is difficult to meet the real - time control

    在這種情況下,傳統的pid控制器存在超調量大,調節時間長,參數不易實時在線調整的缺點,難以滿足實時控制的要求。
  12. Abstract : in order to solve the double parameters enveloped in the geartooth flank generating, the complicated double parameter envelope is simplified to the generating process between work - piece and imaginary crown generating gear by means of mathematical transformation. the equation of the imaginary crown generating surface and the partial derivatives are deduced, so the differential geometric parameters of the generating surface can be obtained. by analyzing the generating motion between the imaginary crown generating gear and the work - piece, all the first to third order geometric parameters of the generated tooth flank at any given point can be calculated

    文摘:為了解決直接求解展成法加工中存在的復雜雙參數包絡問題時的困難,提出通過數學變換,將此包絡問題轉化為假想平面產形輪與工件之間的展成問題來進行研究.推導了假想產形面的方程和各階偏導矢,於是可獲得產形面的微分幾何參數.通過分析假想平面產形輪與工件之間的展成運動,即可得到被展成齒面上任意指定點的全部一至三階微分幾何參數
  13. A solution of linear nonhomogenous differential equations has been found out on the basis of using the idea of parametric variation and an integral of the linear homogenous differential equation ' s parameter solutions

    摘要利用參數變動法的思想,通過已知滿足初始條件的齊線性方程(組)含參量特解,給出了非齊線性方程(組)特解的一般積分表示。
  14. In consider drilling rod state, hole state, creep into course influence foundation of parameter synthetically, the drilling rod model under acting on the pulling force and torsion together carries on the theory to calculate, receive drilling rod pulling force and torsion differential equation group, in order to benefit drilling rod strength further to analyse

    在綜合考慮鉆桿狀況、鉆孔狀況、鉆進過程參數的影響基礎上,對拉力和扭矩共同作用下的鉆桿模型進行理論計算,得到鉆桿拉力一扭矩微分方程組,以利於鉆桿受力的進一步分析。
  15. Based on parameter - parameter surfaces intersection curve, the differential geometric properties of implicit - implicit ones are in detail in the paper. these properties include tangents, curvature vector and higher - order derivative vector in cases of transversal intersection and tangent intersection

    本文在參?參曲面交線基礎上,詳細推導了隱?隱形式兩曲面空間交線的微分幾何性質,這些性質包括截交及切交下的切矢,曲率矢以及高階導矢等。
  16. 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。
  17. Based on modern optimization theory and optimal control theory, this dissertation studies some questions as follows : 1. the optimization model of parameter identification of three - dimensional geologic history numerical simulation, algorithm and its application geologic history numerical simulation is a basic content of basin numerical simulation, and the porosity is the major parameter in the evolution and development process of oil - bearing basin. according to the sedimentation and burial mechanism, the physical and chemical principles of oil geology, the mudstone porosity ' s non - linear parabolic partial differential equation has been established

    本文應用現代最優化及最優控制理論,對如下一些問題進行了研究: 1 、三維地史數值模擬的參數辨識優化模型、演算法及應用地史模擬是盆地數值模擬的一個基礎性的研究內容,地層孔隙度是含油氣盆地地史演化發育過程中的重要參數,根據地層沉積埋藏機理和石油地質的物理化學原理,通過引入數學物理方程概念,建立了泥巖三維孔隙度場方程,根據問題的特點,給出了方程的定解條件,對方程的動邊界也給出了處理方法,並且證明了解的存在性與惟一性,在此基礎上建立了以當今實測數據為擬合準則的三維地史數值模擬的參數辨識優化模型,這是一個含有二階偏微分方程約束的泛函極值問題。
  18. When impact applies on a discrete system in which one of constraints is a constant with coulomb friction, the phenomenon of slip - stick at the point can cause the change of friction and the integration for frictional force during infinitesimal impulsive interval becomes impossible according to traditional impulsive dynamics of discrete systems. by introducing a new dimensional time parameter, first - order momentum - impulse differential equations are obtained and the discussion over infinitesimal impulsive interval is transformed into a piece - wise study on the finite region of impulse

    在引入新的無量綱的時間參數后,通過建立相應的動量-沖量的一階微分方程,在趨近於零的沖擊區間的討論變為在有限區間中來分段研究含滑動-黏滯的沖擊過程,得到了受到多點打擊的離散系統考慮庫侖摩擦時的動力學的求解方法,即根據沖擊前的初始狀態無需回到繁瑣的微分方程的求解便可以得到沖擊后系統的動力學響應。
  19. In part i, using the method of upper and lower solutions conbined with monotone iterative technique, we discuss boundary value problem for the following impulsive differential equation with a parameter the existence of extremal solutions is considered

    在第一部分中,我們利用上下解方法和單調迭代技術,討論了帶參數的脈沖微分方程邊值問題極值解的存在性。
  20. Some notes on the differential method and the parameter method and the singular solution

    求解一階隱微分方程的微分法與參數法及奇解注記
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