線性整函數 的英文怎麼說
中文拼音 [xiànxìngzhěnghánshǔ]
線性整函數
英文
linear integral function- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 整 : Ⅰ形容詞1 (全部在內; 完整) whole; all; complete 2 (整齊) neat; tidy; orderly Ⅱ動詞1 (整理; 整...
- 函 : 名詞1. [書面語] (匣; 封套) case; envelope 2. (信件) letter 3. (姓氏) a surname
- 數 : 數副詞(屢次) frequently; repeatedly
- 線性 : [數學] [物理學] linear; linearity線性代數 linear algebra; 線性方程 linear equation; 線性規劃 line...
- 函數 : [數學] function函數計算機 function computer; 函數計算器 function calculator; 函數運算 functional operation
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The global inverse function theorem is applied for the existence and uniqueness of periodical solutions to the semilinear boundary value problems. some results are improved
摘要本文運用整體反函數理論證明了一類半線性方程邊值問題周期解的存在唯一性,推廣和改進了已有的一些結果。By using kernel functions, the data in the original space was mapped into a high - dimensional feature space, in which more features of the data were exposed so that clustering could be performed efficiently
核函數的非線性映射使得原始數據的特徵更完整地顯現出來,從而能夠更客觀準確地聚類。It contributes to the deeper comprehesion of these probability distributions, affords more detailed theoretical basis for further studying and simulating satellite mobile channels, ? theoretical analyses and discussions of the models which are often used in the study of the propagating characteristics of satallite mobile channels are given ; meantime, some discussions on the work of model simulations are also given, ? incorrect derivation of the equality between c. loo model and corazza model in some other papers is pointed out. via the conception of received power, we derivate that in the rural environments these two models really have the equal relationship by the way of theoretical derivation and simulatant fittings. therefore, it is able to use corazza model in studying the characteristics of satellite mobile channels in the rural environments and able to avoid the iterant work of modeling, in order to enhance the efficiency and accuracy of research work, ? detailed processes of simulating lutz model by using matlab6. 0 _ simulink4. 0 and the results of comparisions are given
本文包含有以下的主要內容: ?對衛星移動通信通道傳播特性研究中常用的三個概率分佈給出了詳細的推導過程;以便對這幾個在衛星移動通信通道傳播特性的研究中常用的概率分佈函數有更深的理解,對進一步研究衛星移動通信通道傳播特性和對通道的建模提供了更為詳盡的理論基礎; ?對衛星移動通信通道傳播特性的研究中常用的通道模型進行了理論上的分析和討論,並對衛星移動通信通道建模的研究工作提出了一定的看法; ?指出了以前的文獻中關于c . loo模型和corazza模型的等同性的證明錯誤;並從接收信號功率的角度出發,通過理論推導及模擬曲線擬合重新證明了在鄉村環境下,這兩個模型的確是具有等同性的;從而在對鄉村環境下的衛星移動通信通道傳播特性進行研究時,可以只採用corazza模型來對實際的通道進行建模,這樣可以避免重復的建模工作並提高研究工作的效率和準確性; ?給出了lutz模型在matlab6 . 0 _ simulink4 . 0環境下的軟體模擬實現的詳細過程和整體模擬測試的對比結果,保證了該模型在硬體實現時的可靠性和可行性,從而可以將它們應用於指導模型的硬體模擬實現並可以降低硬體實現時的風險。A method of penalty function for solving nonlinear mixed integer programming
非線性混合整數規劃的罰函數解法A method of non - linear penalty function for solving integer programming and mixed integer programming
一種求解整數規劃與混合整數規劃非線性罰函數方法And so on, the mathematical model and transfer function of the tracking system are built, and the feasibility of the tracking control system design is demonstrated. furthermore, the static error of the system with a unit incline input is deduced. a majority of model of unit is based on analytics, so the general model can apply to other optical intersatellite communications systems
在此基礎上,將atp跟蹤控制子系統視為線性定常系統,通過解析法和實驗法對子系統的各個控制環節的單元器件進行合理建模,得出整個環路總的開環及閉環傳遞函數,論證了本課題所設計的atp跟蹤控制環路的可行性及其視軸輸入為斜坡信號時的理論穩態誤差。For the algorithm of reactive power optimization, presented in this paper, in order to found the linear programming model equations, the objective function is minimum total power losses, the controlled variables include the compensating capacity of reactive power, generator bus voltages and transformer tap positions, the state variables include reactive power of the generators, and the voltage amplitudes in the ends of transformers
本文研究的電力系統無功優化演算法是以整個網路的損耗最小為目標函數,以無功補償設備出力、發電機端電壓和可調變壓器變比為控制變量,以發電機的無功出力和變壓器端電壓幅值為狀態變量建立了線性規劃模型方程。We get the estimates of the upper bounds of hausdorff and fractal dimensions for the global attractors. in section 5. 3, the cauchy problem is studied, by using the weighted function space and the interpolating inequality, the existence of the global attractors for the damped generalized coupled nonlinear wave equations in an unbounded domain is proved. in section 5. 4, the time periodic solution problem of damped generalized coupled nonlinear wave equations with periodic boundary conditions is studied, the existence of time periodic soluation of this problem is proved by using the convergence of approximate time periodic solution sequences
第五章,考慮了一類廣義耦合的非線性波動方程組,在第二節中討論了周期初值問題,證明了整體光滑解的存在性和唯一性,得到了整體吸引子,給出了hausdorff維數和分形維數的上界估計;在第三節中討論了cauchy問題,利用加權函數和加權空間的插值不等式,證明了無界區域上整體吸引子的存在性;在第四節中證明了時間周期解的存在性。As further extension of the uniform b - spline basis functions, the author extends the uniform b - spline basis functions of degree 3 and degree 4, and generates the blending functions of degree 5 ( 3 - b ) n degree 5 ( 4 - b ) and degree 6 ( 4 - b )
作為均勻b樣條曲線的進一步擴展,作者對三次和四次b樣條基函數進行擴展,構造了三b五次、四b五次、四b六次調配函數,從而產生了連續性分別達到c ~ 3和c ~ 4連續的多項式曲線,它們的形狀都可以用參數進行調整。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非線性和分散式參數特徵,但是模糊控制系統本身的學習和適應能力差,導致了模糊變量各語言值隸屬函數和控制規則不能隨著環境參數(如交通量、基準排放量等)的改變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。In the end the stochastic finite element method ( sfem ) is used to point out the key part for maintenance. 9. the girder aqueduct structure of li river of the snwtp as an example is analysised for its risk. every parts of the structure are studied ; the failure modes and failure functions are established
9 、進行了南水北調澧河渡槽的力學風險分析,研究了渡槽各部位的破壞模式,建立了相應的失效模式功能函數,計算了各部位的可靠指標,隨后運用非線性隨機有限元理論詳細分析了渡槽整體結構,得出了一些有益結論。Based on method of imprecision and adopting over all preference aggregation function, the three uncertainties, namelyrandom, fuzzy and unknown, which affect means and fluctuation of the system performance, would be taken into account for improving the traditional robust designs linear weighted sum method
根據不精確法,採用整體偏好聚合函數,將隨機、模糊、未確知三種不確定性對系統性能均值和波動性的影響綜合起來考慮,改善了傳統穩健設計的線性加權和法的缺陷。Displacement function means for calculating geostress in fem analysis of underground houses is used, based on crustal stress data of underground cavern of pump water station of tong guanshan yixing to store energy, applying the displacement function theory and 3d nonlinear fem, the thesis simulates a displacement field applied the boundary in engineering area and obtain the initial crust stress field through load function in ansys. the result shows that the error between regressed ones and actual ones is controlled in allowed limit and supply the important data for building and design
根據宜興銅官山抽水蓄能電站地下廠房區的地應力實測資料,運用位移函數法理論,採用三維非線性有限元計算方法,反演出施加在廠房區邊界上的位移場,藉助州sys有限元分析軟體,獲取模型邊界節點的坐標信息,然後通過ansys軟體的載荷函數將邊界位移程序化施加到模型邊界上,最後得到整個區域的初始地應力場,結果表明回歸后的地應力值與實測值接近,為地下工程的施工設計提供了重要的資料。The dissertation refers to comparatively full literatures in the field of vsc, and the development history and characteristics of vsc are summarized, and the elementary concepts, elementary definitions, elementary properties, elementary principles and design methods are particularly introduced, and the causes of the chattering phenomenon are systematically analysed, and the study status of the chattering phenomenon and the main methods to eliminate the chattering are elaborated. for the deficiencies of traditionary methods, three improved methods are developed, which are improved exponent reaching law solution, variable boundary layer solution and the solution by adding an auxiliary continuous control term. for uncertain linear systems, an adaptive fuzzy integral variable structure control stategy ( afivsc ) is put forward to eliminate the chattering around the sliding plane, which introduces fuzzy logic to soften the non - linear discontinuous sig nal in the control variable and utilizes adaptive theory to adjust output membership function according to how much the uncertainty of the system is
比較全面地查閱了關于變結構控制理論的文獻,總結了滑模變結構控制的發展歷史和特點,詳細介紹了變結構控制的基本概念、基本定義、基本性質、基本原理以及設計方法;系統分析了變結構控制系統抖振產生的機理,並闡述了國內外目前對抖振問題的研究現狀以及消除抖振的主要方法;針對傳統抑制和消除抖振方法的不足,改進了傳統方法,得到了三種新的消除抖振的方法? ?即改進的指數趨近律法、可變邊界層法和附加連續項法;針對不確定性線性系統,在變結構控制策略中引入模糊邏輯和自適應理論來消除滑動平面上的抖振,提出了一種自適應模糊積分變結構控制方案( afivsc ) ,利用模糊邏輯來柔化控制量中非線性不連續部分,採用自適應理論,根據系統不確定性大小在線調整模糊輸出量的隸屬函數,另外,鑒于模糊控制本質上是有靜差的,所以本文選擇了帶積分項的切換函數,由於積分項的存在使系統較正為無靜差系統。The additional sub - scale flux is mainly determined by the average grid value, coefficient of variation and correlations among the meteorology parameters. ( 2 ) the additional sub - scale turbulence flux is composed by two parts, one part is induced by the correlations among the transfer coefficient, surface temperature and soil humidity, another is caused by non - line relationship between the transfer coefficient and roughness, stability
( 2 )非均勻分佈引起的附加次網格地表湍流通量主要由兩部分組成:一是地表次網格上輸送系數和地表溫度、濕度的相關項,另一是由於模式中計算整體輸送系數時,整體輸送系數是地表粗糙度和穩定度的非線性函數所造成擾動項。In ship steering controller design, the nonlinear ship model should be written in siso strict feedback form. we start the recursive design with the system first state variable and continue with the second one. by introducing a change of coordinates, we choose lyapunov functions to stabilize the system and obtain the control law
在船舶航向控制方面,考慮船舶的穩態回轉非線性,應用backstepping方法設計:首先把系統化成單入單出的嚴格反饋控制形式(呈下三角結構) ,假設系統后一個狀態變量是前一個狀態變量的虛擬控制,通過適當的變量代換,在每一步構造李亞普諾夫函數,使前一子系統在虛擬控制下漸近穩定,逐步遞推出控制器控制規律,使整個系統在平衡點滿足一致漸近穩定性。In chapter 2, we investigate the problem on the orders of growth and the convergences of the zero - sequence of the solutions of second linear differential equations with entire coefficients to the functions with smaller order of growth
其中第二章研究了二階整函數系數線性微分方程的解取慢增長函數時的增長級與零點收斂的問題;第三章研究了一類高階亞純系數線性微分方程解的超級。The popularity of fractal markets is proved after demonstrations on three disparate financial time series. 2 estimating the nonlinear cointegration function is the key issue in nonlinear cointegration research. wavelet neural network is introduced into the nonlinear cointegration modeling, and the modeling method is presented
2 、非線性協整函數的估計是非線性協整研究中的核心問題,論文將小波神經網路引入非線性協整建模研究之中,利用小波神經網路給出了非線性協整建模方法。In chapter 2, we study the further results on the properties of growth of solutions of one kind of higher order linear differential equations with entire coefficients, when there is one coefficient that is main dominating to the properties of the solutions, we obtain precise estimate of hyper - order of solutions of equations either homogeneous or non - homogeneous and relations between the solutions and functions with smaller growth
本文研究了某些高階線性微分方程解的增長性問題。其中第二章研究了一類高階整函數系數微分方程解的增長性的進一步結果,當存在某個系數對方程的解的性質起主要支配作用時,得到了齊次與非齊次方程解的超級的精確估計及方程的解與小函數的關系。The linear growth of the entire function expressed by the double random dirichlet series
級數所表示的整函數線性增長性分享友人