dimensional variable 中文意思是什麼

dimensional variable 解釋
尺寸變量
  • dimensional : adj. 1. 尺寸的。2. 空間的。3. 【數學】因次的;…次(元)的。
  • variable : adj 1 易變的,變化無常的,無定的 (opp constant steady)。2 可變的,能變的;變換的。3 【數學】變...
  1. The variable parameter taper equation, which was suitable to pin us elliottii plantation form changing law, was built with the sample wood datas on the basis of the research of about form shape in the tree mensuration, one - dimensional volume table, two - dimensional volume table, one - dimensional timber - produced rate table for timber assortment, and two - dimensional timber - produced rate table for timber assortment were complied based on the above

    摘要在樹干形狀研究的基礎上,利用樣木資料建立了一個適合濕地松人工林干形變化規律的可變參數削度方程,據以編制了一元材積表、二元材積表、一元材種出材率表和二元材種出材率表,這些數表經檢驗誤差較小,精度較高,可在林業生產上推廣應用。
  2. Three - dimensional numerical simulation of surrounding rock stability of underground cavity with variable cross - section

    變截面洞庫圍巖穩定性的三維數值模擬
  3. Calculating skill on the distribution of2 - dimensional continuous random variable functions

    二維連續型隨機變量函數的分佈計算技巧
  4. From mathematical models for inverse scattering in two dimensional inho - mogenous media including variable impedance, all kinds of probable mixed variable impedance boundaries and cracks, from interior and exterior trans - mission problems and radiation condition, ill - posed integral equation and indicator function method are formulated for the diverse of boundary iden - tification. it is shown that the kernel of the integral equation characters the boundary of scatterer, which is determined by solving it by virtual of regularity method, meanwhile, some numerical tests are given. 3

    在二維非均勻介質逆散射邊界識別的數學模型(包括一般的非均勻介質,正交各向異性介質,變阻抗介質,各種可能的混合變阻抗邊界問題)下,由內透射問題和外透射問題以及輻射條件,推導了上述介質的邊界識別的積分方程和指示函數方法,由於積分方程的核充分表徵了散射物的邊界,由此說明只要利用正則化方法求解該積分方程,就可以確定散射物的邊界。
  5. At present, most studies are linked to the semi - discrete scheme and the one - dimensional spatial variable. but there are very few studies about the full - discrete scheme and the higher dimensional spatial variable. furthermore, the former ca n ' t be extended directly to the latter

    目前,大多數科研成果只限於對原方程是半離散和空間變量是一維的情況,對全離散格式和高維情況研究甚少,而後者並不是前者的平行推廣。
  6. With the fast development of computer technology and the specialization trend of 3d gis, it is necessary and realizable to building a visible, digital, informational and intelligentized system with the three - dimensional visualization foundation, only in which variable of data and information can be fed back to users in time, dynamic and straight

    隨著計算機技術的快速發展以及三維地理信息系統的部門化的發展趨勢,構建一個可視化、數字化、信息化、智能化的水利領域三維可視化系統不僅是必要的而且是可行的,要實現這樣一個系統,三維可視化是基礎,只有在可視化的環境中才能將各種數據和信息及時、動態、直觀地反饋給用戶。
  7. As the legged system has a similar dynamics to that of three - dimensional inverted pendulum mode, whose supporting point is equivalently located at the zmp, what is more, there is dynamical relationship between the zero moment point ( zmp ) and the center of gravity ( cog ), so this paper proposed the method that controls the cog of the whole humanoid body system in real - time through the 3 - d inverted pendulum based on variable zmp : first, the irregular terrain analyzed and described, the author proposed an usual obstacles - spanning method, based on the position and the shape of obstacles, the author programmed the smooth trajectory of anklebones

    由於機器人的腿系統和三維倒立擺模型有著相似的動力學特徵,模型的支撐點就是機器人的零力矩點zmp ,另外零力矩點zmp和重心cog之間存在著動態關系,本文採用基於可變zmp的三維倒立擺動力學原理來對類人猿機器人進行質心軌跡生成。首先,通過對復雜地況進行分類統一描述,提出了一套通用的越障軌跡規劃方法,結合復雜地況下障礙的位置和形狀,規劃了機器人連續的踝關節軌跡。
  8. To declare a one - dimensional array variable

    聲明一維數組變量
  9. Presents the new independentmodal - space variable structure control for flexible structures with distributed parameter model, which is decoupled into a number of 2 - dimensional subsystems in terms of coordination transmission where, the variable structure control law is designed within the given boundary of structural uncertainty and disturbance, and concludes from simulation results that the algorithm is not only simple so as to accomplish in real time, but also is very robust

    對具有分佈參數模型的撓性結構提出了模態空間變結構控制方案,利用坐標變換把整個系統分為若干個獨立的二維模態子空間.在每個獨立的模態子空間內,在給定參數不確定性范圍和干擾力矩范圍的情況下,設計變結構控制控制器.通過模擬驗證了控制演算法的有效性;控制演算法簡單,易於實時完成,又具有較好的魯棒性
  10. A variable time - headway car following model was presented based on time - headway distributing rule in actual traffic and one dimensional cellular automaton modeling theory

    摘要依據不間斷車流的車頭時距分佈規律和一維元胞自動機建模理論,提出了一種可變時距跟車模型。
  11. Firstly, a two - dimensional decoupling theory is developed when colored noise is included in a nonlinear dynamical system. by a functional analysis, the colored noise is transformed to an effective noise that includes the noise correlation time, the mean dynamical variable, and the original noise strength

    首先,我們發展了分析非線性系統中色噪聲的二維退耦理論,通過泛函分析,將二維非線性系統中的色噪聲變換成含有噪聲關聯時間、噪聲強度和系統變量平均值等參量的有效噪聲。
  12. ( 1 ) based on two types of riccati equations, two kinds of new methods are proposed to obtain solutions of nonlinear differential equations. twelve families of exact solutions of wbk equation are found by using one of two methods ; ( 2 ) the homogeneous balance method is improved cind investigated to ( 2 + l ) - dimensional broer - kaup equation such that many families of new solutions are derived. ( 4 ) based on the isospectral lax pair of riccati form for generalized kdv equation with the force term, new darboux transformation and solitary - like wave solutions and rational solutions are obtained ; ( 4 ) by constructing darboux transformation and the superposition formula of generalized variable coefficients kdv equation with the force term, new single solitary - like wave solutions, double solitary - like wave solutions and rational solutions are found for ( 2 + l ) - dimensional generalized kp equation

    第二章和第三章考慮非線性偏微分方程的精確解的構造:首先給出了c - d對和c - d可積系統的基本理論,然後在第三章中具體研究了它們的應用: ( 1 )基於兩種riccati方程,提出了兩種新的求解非線性微分方程更多解的方法,利用其中的一種方法,得到了wbk方程的12組精確解; ( 2 )對齊次子衡法進行改進,以致於獲得了( 2 + 1 ) -維broer - kaup方程的很多新解; ( 3 )基於帶有外力項的廣義kdv方程的riccati形式的非等譜lax對,提出了該方程的一個新的darboux變換,利用該變換,得到了新的類孤波解和有理解; ( 4 )通過構造了帶有外力項的變系數kdv方程的darboux變換及疊加原理,獲得( 2 + 1 ) -維廣義kp方程的新的類單孤波解、雙類孤波解和有理解。
  13. A variable vector propeller, called the " varivec propeller ", is under development as a new propulsion system for the undersea robot. the varivec propeller is a kind of specific propeller that is capable of continuously generating any degree of thrust in any three dimensional direction by varying blades " pitches cyclically in the process of rotation and responds easily to the slightest change in the robot

    全方向推進器是一種在運動過程中螺距角可以變化的螺旋槳,該推進器是一種全新的設計,它最大特點是通過葉片螺距角在槳葉旋轉的過程中周期性的改變,產生前後、上下、左右六個方向的推力,並可以容易的對海洋機器人的微小運動作出反應。
  14. The physical and mathematical models are founded. numerical simulation of marangoni convection in the liquid bridge and gas channel was performed by employing the primitive variable method and using galerkin finite element method, which is applied for discretization of non - dimensional governing equations and boundary conditions. the relationship between the suppressing status of mc in the liquid bridge and the inlet gas velocity or the channel width is obtained, and the suppressing status of some kinds of marangoni numbers ( ma ) or size ratios of liquid bridge a is analyzed

    採用原始變量法,用galerkin有限單元法對無量綱控制方程及邊界條件進行離散后,數值模擬了微重力條件下半浮區硅熔體及氣體流道內的marangoni對流,得出了無量綱氣流沖刷速度及流道寬度變化和熔體內熱毛細對流抑製程度的關系,進而分析了不同的無量綱參數ma數和不同熔體幾何尺寸比a下熱毛細對流抑制情況。
  15. By using pro / engineer, three - dimensional parametric model of arm is presented for further design of arm and layout between satellite and antenna. independent variable parameters of hoop truss and relations between assemblies are obtained by analyzing the function, basic theory and construction properties of hoop truss

    通過對衛星天線環形桁架的功能、結構及工作原理的分析,確定了天線環形桁架結構的獨立可變參數並建立了各裝配間的參數協調關系,在此基礎上藉助三維參數化造型技術,獲得了天線環形桁架的三維參數化實體模型。
  16. One is, based on answering the above open problem on a finite dimensional euclidean space by means of partially ordered theory, to research the existence of solutions, global error bounds of proximal solutions and sensitivity of parametric unique solutions and present a class of variable - parameter three - step iterative algorithms for generalized set - valued variational inclusion problems by using - resolvent operator of set - valued mapping. two is to consider the convexity, closedness and boundedness of the solution set of general set - valued variational inclusion problems and the sensitivity of the parametric solution set by means of graphical convergence theory. three is to discuss directly the existence of solutions by using analytical methods for set - valued mixed quasi - variational - like inequalities and suggest a class of direct variable - parameter three - step iterative algorithms for solving generalized set - valued variational inclusions

    研究分有三個方面:一是藉助于偏序理論在有限維歐氏空間中解決了上述公開問題,在此基礎上利用集值映射的-預解運算元,研究了廣義集值變分包含問題解的存在性、逼近解的全局誤差界、參數唯一解的靈敏性,並提出了一類變參數三步迭代演算法;二是藉助于圖收斂理論研究了一般集值變分包含問題解集的凸性、閉性和有界性以及參數解集的靈敏性;三是用分析的方法直接討論了集值混合擬類變分不等式問題解的存在性並提出了一類求解廣義集值變分包含問題的直接變參數三步迭代演算法。
  17. Public transport. road vehicles. dimensional requirements for variable electronic external signs

    公共運輸.道路車輛.可變電子外部信號標志的尺寸要求
  18. Public transport - road vehicles - dimensional requirements for variable electronic external signs

    公共運輸.道路車輛.可調的電子外部信號的尺寸要求
  19. Important missing aspects are : turbulent flow, numerical discretization techniques specially the relevant and difficult topic of numerical treatment of advection and related numerical methods of solution, variable property fluids, boundary layers, stability, etc. rather, it focuses on more primitive and fundamental issues of numerical treatment of advective equation and proper formulation of initial boundary value ( ib vp ). numerical problems associated with advective dominated transport include spurious oscillation, numerical dispersion, peak clipping, and grid oriention. however, the key of numerical solution of three - dimensional advective problem is searching for a high - precision interpolating function, which can keep the computational stability and low damping

    3 、針對三維純對流方程提出了實用的擬協調單元模式,並與線性插值模式和協調單元模式比較后表明,在物理量大梯度變化的情況下,線性插值模式會產生較大的數值阻尼,導致解的失真;協調單元模式具有極高的計算精度和良好的計算穩定性,還可較好地克服數值阻尼,但由於計及物理量的二階導數項,計算工作量大,邊界條件給定尚存在一定的困難;而擬協調單元模式不僅具有協調單元模式計算精度高的優點,還避免了物理量的二階導數項,可大大地減少計算工作量。
  20. The solutions of 2 - dimensional theory of elasticity are decomposed by a solution with differential operators. its saint - venant ' s solution and special solution are expressed by ordinary different equations containing one variable z. the relationship is uncovered between the bend the

    在板彈性彎曲理論中,分離出了與零特徵解對應的聖維南解關于x 、 y方向的偏微分方程,分析了薄板彎曲理論與彈性彎曲理論聖維南解的關系。
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