非分散變量 的英文怎麼說

中文拼音 [fēifēnsǎnbiànliáng]
非分散變量 英文
non-dispersed variable
  • : Ⅰ名詞1 (錯誤) mistake; wrong; errors 2 (指非洲) short for africa 3 (姓氏) a surname Ⅱ動詞1 ...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : 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
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  1. According to the theory of light transmission, we derived the expression of rotation angle as a function of the dielectric constant conductivity of er fluid, and ( the angle between the electric vector of linearly polarized light and electric field ) from maxwell ' s equations and fresnel reflection, on the condition of several appropriate approximations and assumptions

    進而導出了均相結構電流液在外電場與光場交互作用下旋光角與(入射線偏振光振動方向與外加電場方向間夾角)及參數(為外加電場e 、顆粒介電常數、體積數、絕緣油介電常數、位置矢( ? )等的函數)的西北工業大學應用物理系碩士學位論文摘要理論表達式。
  2. After measured the laser energy distribution of kunming slr station, the parameters of this non - gassian and non - spherical symmetric laser beam were deduced according to correlation definition. applying its laws and deduced laser beam parameters, the change of laser beam dirvergence angle was studied in detail when adjusts transmission system focus. moreover, calculation based on these measured data indicates that the laser shaded by the second mirror of telescope is amazingly up to 39. 8 %, an optical element was designed for the settlement and it worked satisfactorily when put it into practice

    之後測了雲南天文臺激光的橫向能佈,根據相關定義確定了這束高斯球面激光的參數,應用它的傳輸換規律和測參數研究了調焦中激光發角的化,並根據測數據計算出激光發射時副鏡擋光比例達到驚人的39 . 8 ,研製出光劈解決這一問題,取得了很好的效果。
  3. Finally, based on the approximation capability of gengeralized multilinear fuzzy logic systems ( gmfls ), a new scheme of decentralized adaptive fuzzy controllers for a class of multiple - input - multiple - output nonlinear systems with a triangular matrix function control structure is proposed

    最後針對一類具有下三角形矩陣函數控制增益的多線性系統,並利用廣義多線性模糊邏輯系統的逼近能力,提出了一種自適應模糊控制器設計的新方案。
  4. Firstly, based on a modified lyapunov function and the approximation capability of the first type fuzzy systems, two new design schemes of decentralized adaptive fuzzy controller for two class of similar multivariable nonlinear continuous systems with a triangular matrix function control structure is proposed in this paper, respectively

    本文首先對兩類結構相似的具有下三角形矩陣函數控制增益的多線性連續系統,基於一種修改的李亞普諾夫函數,並利用第一類模糊系統(即具有線性可調參數的模糊系統)的逼近能力,別提出一種自適應模糊控制器設計的方案。
  5. Avoiding the use of mathematic models, the fuzzy logical control ( flc ) system meets the control demands of the tunnel ventilation process well which is a nonlinear distribution system. but because of its lacking of learning and adaptive ability, many problems has emerged when using flc : the membership functions of the fuzzy variables cannot be changed, the fuzzy logical rules cannot be modified automatically when environmental variables such as traffic model, average exhaust, etc, are changed. for this reason, the paper uses fuzzy neural network control ( fnnc ) system to improve the control process

    模糊控制系統避開了數學模型,能很好適應公路隧道通風系統線性和式參數特徵,但是模糊控制系統本身的學習和適應能力差,導致了模糊各語言值隸屬函數和控制規則不能隨著環境參數(如交通、基準排放等)的改而自動調整和修改等問題,本文將具有強大學習能力的神經網路融合到模糊控制系統中,研究和探討了隧道通風模糊神經控制方法。
  6. When the stress at the tip of crack is inflicted on the m - type ferrite particle dispersed in matrix as a second particle, not only the toughness of composites will be pro ved because of the non - elastic area produced by the particle but also the strength change of magnetic field and the stress distribution in the structural ceramics will be detected by the strength of spontaneous magnetization varying while magnetic materials being pressed or drawn

    這是因為當結構陶瓷中裂紋尖端的應力作用在彌於基體內的鐵磁體二相粒子上時,鐵磁粒子不僅在裂紋尖端周圍產生的彈性區域使復合材料的韌性提高;而且還能利用鐵磁材料在外應力作用下自發磁化強度發生化的性質,通過測復合材料在應力作用下磁場強度的化,探測出結構陶瓷中的應力佈情況。
  7. The main contributions of the second part of this dissertation are focused on the cryptographic properties of logical functions over finite field, with the help of the properties of trace functions, and that of p - polynomials, as well as the permutation theory over finite field : the new definition of chrestenson linear spectrum is given and the relation between the new chrestenson linear spectrum and the chrestenson cyclic spectrum is presented, followed by the inverse formula of logical function over finite field ; the distribution for linear structures of the logical functions over finite field is discussed and the complete construction of logical functions taking on all vectors as linear structures is suggested, which leads to the conception of the extended affine functions over finite field, whose cryptographic properties is similar to that of the affine functions over field gf ( 2 ) and prime field fp ; the relationship between the degeneration of logical functions and the linear structures, the degeneration of logical functions and the support of chrestenson spectrum, as well as the relation between the nonlinearity and the linear structures are discussed ; using the relation of the logical functions over finite field and the vector logical functions over its prime field, we reveal the relationship between the perfect nonlinear functions over finite field and the vector generalized bent functions over its prime field ; the existence or not of the perfect nonlinear functions with any variables over any finite fields is offered, and some methods are proposed to construct the perfect nonlinear functions by using the balanced p - polynomials over finite field

    重新定義了有限域上邏輯函數的chrestenson線性譜,考察了新定義的chrestenson線性譜和原來的chrestenson循環譜的關系,並利用一組對偶基給出了有限域上邏輯函數的反演公式;給出了有限域上隨機聯合佈的解式,並利用隨機聯合佈的解式對有限域上邏輯函數的密碼性質進行了研究;給出了有限域上邏輯函數與相應素域上向邏輯函數的關系,探討了它們之間密碼性質的聯系,如平衡性,相關免疫性,擴性,線性結構以及線性度等;討論了有限域上邏輯函數各類線性結構之間的關系,並給出了任意點都是線性結構的邏輯函數的全部構造,由此引出了有限域上的「泛仿射函數」的概念;考察了有限域上邏輯函數的退化性與線性結構的關系、退化性與chrestenson譜支集的關系;給出了有限域邏輯函數線性度的定義,利用有限域上邏輯函數的線性度與相應素域上向邏輯函數線性度的關系,考察了有限域上邏輯函數的線性度與線性結構的關系;利用有限域上邏輯函數與相信息工程大學博士學位論文應素域上向邏輯函數的關系,揭示了有限域上的廣義bent函數與相應素域上的廣義bent函數的關系,以及有限域上的完全線性函數與相應素域上向廣義bent函數之間的關系;給出了任意有限域上任意。
  8. Annual precipitation series about 50 years is stable and no period ; further, the climate drying and desertification are n ' t caused directly by the decrease of precipitation during the period of the research according to the relational analysis among precipitation temporal - spatial change, runoff, evaporation, potential evapotranspiration and soil water ; longyangxia reservoir which was built in 1986 does n ' t have influence on precipitation up to now ; but annual temperature series in gonghe is unstable, having a linear upward trend, and it increases about 0. 0247, 0. 0422 and 0. 0272c per year, and temperature rise must be having an influence on desertification, but there is a very little temperature change, so that the effect is very small ; annual potential evapotranspiration series is stable too, so climate change has little influence on plant water consumption. 2

    在青海共和盆地,近50年的年降雨序列是平穩的、無周期,其時空化與徑流、蒸發、潛在蒸和土壤水的關系表明,氣候乾燥和嚴重的荒漠化不是由於降雨減少直接引起,龍羊峽水庫對共和盆地年降雨化沒有影響;但是年氣溫序列是平穩的,茶卡、恰卜恰和貴南的年氣溫平均每年升高0 . 0247 、 0 . 0422和0 . 0272 ,且氣溫升高2 ,年潛在蒸增加57mm ,盆地內氣候逐漸乾燥,但影響比較小;由於歷年潛在蒸序列是平穩的,因此氣候化對盆地的作物潛在蒸的影響在研究期內是較小的。
  9. In the procedure, the column is first divided into a finite number of small segments in equal length. the deflection - curvature relation of each segment is determined using the finite - difference method. the final nonlinear algebraic equations are then obtained by means of the equilibrium condition for each segment

    運用這種方法,先將長柱離成若干等長的柱段,利用差方法求得各柱段截面上的撓度與曲率的關系,再根據各截面上外力與抵抗力的平衡條件,得到一組關于荷載與形關系的線性代數方程組;本文對該方程組採用載荷增法進行迭代求解。
  10. The paper uses a high order method to solve incompressible viscous complex flows based on a domain decomposition and matched method, the primitive variable and pressure poisson equation formulation are employed for the numerical solutions of the incompressible navier - stokes equations, in tensor forms, on non - staggered grids

    本文採用了一種基於塊耦合求解粘性不可壓縮復雜流場的高精度計算方法。計算模塊採用原始和壓力poisson方程方法,差方程為張形式的粘性不可壓縮navier - stokes方程組在交錯網格上離
  11. In this paper, we mainly study the global boundedness and infinity blow - up of solutions for a separate variable weakly coupled class of nonlinear reaction - diffusion system. the condition of global existence and infinity blow - up and blow - up rate are gained. in the introduction, we give a discussion about the background and general situation to the reaction - diffusion system

    本篇文章主要討論了一類反應項具有形式的弱耦合線性擴方程組解的整體有界和有限爆破性質,給出了整體存在和有限爆破條件並得到了有限爆破速率估計。
  12. The novel optimization algorithm, genetic algorithm popular these years, is introduced. genetic algorithm has the characteristics of multi - point searching, parallel computing and self - adaptive global optimization. so it is very suitable for the solution of complex engineering problems, which often have numerous variables, high dimension, highly nonlinear optimization objects, and the great solution spaces

    引入了近幾年興起的新型優化演算法? ?遺傳演算法,其具有多點搜索、并行計算和自適應全局尋優的特點,特別適用於求解離型設計多、維數高、優化目標高度線性、解空間十龐大的復雜工程問題。
  13. Abstract : an efficient parallel global router using random optimization that is independent of net ordering is roposed. parallel approaches are described and strategies guaranteeing the routing quality are discussed. the wire length model is implemented on multiprocessor, which enables the algorithm to approach feasibility of large - scale problems. timing - driven model on multiprocessor and wire length model on distributed processors are also presented. the parallel algorithm greatly reduces the run - time of routing. the experimental results show good speedups with no degradation of the routing quality

    文摘:設計實現了一個高效的線長模式下基於多處理機的并行總體布線器.通過對時延驅動模式下串、并行演算法的總運行時間和求解時間的比較,表明該并行演算法能夠在保證求解質無明顯化的前提下大大加快總體布線演算法的求解速度.同時,也提出了基於式體系結構的并行總體布線演算法
  14. The use of equation provided by codes implies that some inelastic panel zone distortion is expected at the predicted strength, and therefore the panel zone is expected to contribute to energy dissipation in a controlled manner during severe seismic loading. the finite element models utilized in this study, and analysis and results are hoped to be some proof for the code modification

    由於節點域受剪形,參與了能,其彈性形增加了鋼框架的側向位移,各國對此進行了很多研究;本文將節點區解為梁、柱和節點域的形,並推導出了計算公式,從公式中可以看出各部對側移的貢獻。
  15. In the new method the uncertainty of the system to be controlled is normalized firstly, and then the partition of unity that is subordinated to a open covering of state variables compact set is constructed, and the approximation is realized by using its property that can approximate nonlinear continuous function with arbitrary precision, then the decentralized adaptive robust controller of complex systems and adaptive laws of approximate parameter estimation are designed

    該方法首先對被控系統中的不確定性進行歸一化處理,進而構造出從屬于狀態的緊致域的一組開覆蓋的單位解,利用其具有以任意精度逼近線性連續函數的性質,實現了對被控系統不確定性的近似逼近,然後設計了復雜系統的魯棒控制器和參數估計的自適應律,並證明了這種控制器使被控系統的狀態及參數估計誤差一致終極有界。
  16. In this paper a numerical method for equations of transport and biodegradation in the fractured media is discussed. because the equations consist of terms related to advection, diffusion, biochemical as well as the term of exchange betwen the fracture and the porous media, it is very difficult to find their solution. in order to find more efficient method for solving these equations, several numerical methods for the equations without biochemical terms are discussed first. the numerical results show that the cubic spline method can be used to solve advection flow dominated problem which often occurred in the fractured media. then, the equation with both advection - diffusion term and biochemical term are discussed. the splitting - operator is used to decouple the advection and diffusion terms with biochemical term in the equations. the way to determine the smaller time step for solving fast biochemical terms is introduced through comparing the order of characteristic time of biochemical term with that advection ( diffusion ) term. numerical simulation results show that good agreement between analytical solution and experiment result is attained

    本文討論了含裂隙介質地下水污染物輸運與生物降解線性方程組數值求解方法.方程含有對流項、擴項、生長、死亡、吸附、解吸、趨化和孔隙與裂隙介質界面間的交換項的線性偶合,使演算法十困難.本文討論了無生化過程時的幾種求解方法,數值結果表明:用三次迎風插值法對常見的對流項占優勢,且場有較大梯度的問題較適用.在討論有生化反應過程時,利用對流項與生化反應項的特徵時間級估算,給出了求生化過程作用子步的時間步長估算辦法.用上述方法所得到的模擬結果與解析解、無化學反應和有化學反應的實測值對比,吻合很好
  17. Further more, it is pointed out that the boundary discrete method is not only adaptable to solve the nonorthogonal boundary problems of which the variables cml be separated, but also is able to deal with the nonlinear boundary value problems

    進一步指出,邊界離方法不僅可以解決某些可正交問題,而且可以解決某些線性邊值問題。
  18. But, there are two difficulties in the method. one is the existing of numerously discrete variables, high dimensionality and great solution spaces, which may lead to the explosion of combination. the other is that the relationship between optimization object and the design variables is often very complex, and can hardly be expressed by plaint equation

    然而,協同優化設計面臨著以下兩個難點:離型設計多、維數高、解空間十龐大,優化設計面臨著組合爆炸問題;優化目標與設計間的關系常復雜,往往難以建立起顯式的函數關系。
  19. Reactive power optimization is a large - scale nonlinear optimization problem with a large number of variables and uncertain parameters, the operating variables include continuous and discrete variables, so the optimization becomes very complex

    電力系統的無功優化問題是一個多、多約束的混合線性規劃問題,其操作既有連續又有離,使得優化過程十復雜。
  20. In the design optimization of space equipment satellite systems, there are lots of discrete and integer design variables, the design space is nonconvex and even disjointed, and has multimodality. unfortunately, current mdo procedures or strategies have difficulty to deal with discrete or integer design variables, they are very sensitive to complex design space, have propensity to converge to local optima near the starting point, and can not handle multiple objectives effectively. to overcome these difficulties, this dissertation adopt the idea of coevolution to systematically develop new multidisciplinary design optimization methods based on decomposition and coordination

    論文以航天裝備體系及其它復雜飛行器系統的多學科設計優化( multidisciplinarydesignoptimization ,簡稱mdo )為應用背景,針對航天裝備衛星系統設計中存在大和整數設計、設計空間凸和不連通、具有多個局部最優點等特點和現有mdo方法過程難以處理離和整數、對復雜設計空間常敏感、易於陷入局部最優、不能有效處理多目標等缺陷,採用協同進化的思想,系統地進行基於解協調的mdo方法研究。
分享友人