散度定理 的英文怎麼說
中文拼音 [sǎndùdìnglǐ]
散度定理
英文
divergence theorem- 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
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 定 : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
- 理 : Ⅰ名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
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Taking a view of pure time field, this paper presents dissolvable signals and basic concepts of sampling ; and also gives the very condition of discrete of signal ; this paper uses linear algebra to analysis this kind of signal and then gives some results and relevant deductions ; based on these results, 1 made a further step to analysis some typical band - limited signals in order to proof the coherence of my theory of dissolvable signal to the typical sampling theory ; i made some preliminary study about the feasibility of sampling and recovering of this kind of signal
本文從純時域角度出發,給出了可分解信號及其采樣的基本概念;也指出了信號可離散化的條件;利用線性代數理論給出了對這類信號進行采樣的分析理論及相應的推論;並用這些結論對典型的帶限信號進行了分析,證明可分解信號采樣定理與經典采樣理論的一致性;初步探討了對這類信號的實行采樣與恢復的工程實現問題。Because of these insufficiency, this paper described the mechanism and discipline of technology diffusion and empirical analysis about it based on the study of the basic conception, model and mechanism and three perfect mathematic models such as bass model, logistic model and steffens - murthy model. this paper set up four economic mathematic models as follows
本文在充分分析技術創新擴散的基本概念、基本模式、基本機制以及借鑒技術創新擴散研究中相當成熟的三個模型: bass模型、 logistic模型和steffens - murthy模型的基礎上,進一步從定量分析的角度對技術創新擴散的機理和規律進行了探討,並進行了相關的實證分析。Determination of the dispersion degree of metals using gas chemisorption - part 1 : principles
利用氣體化學吸附作用測定金屬的分散度.第1部分:原理The voltage of lithium - intercalation reaction, impedance and structural stability of intercalation - type cathode material were analysed and calculated. theoritical results show that the reaction voltage depends on the content of lithium and the bond energy, and that the key ways to lower the electrode impedance are to increase the electronic conductivity of the electrode and the diffusion coefficient of lithium ion in the host and to decrease the size of powder. in addition, the thermal stability of lithium - insertion structure can be improved by using crystallographic co - lattice theory and doping treatment
本文從嵌入式陰極材料的嵌鋰反應的電壓、阻抗及結構穩定性的分析和理論計算著手,得到了電壓取決于基體中各種離子間的鍵能及鋰含量、降低電極阻抗的關鍵是提高電子型導電性和li ~ +在基體中的擴散系數及減小粉末粒度的理論依據及其利用晶體的共格原理和摻雜改性的方式來提高材料嵌鋰結構的熱穩定性的設計思路。The fact that wave velocity in quasi - saturated soil is equal to that of fully saturated soil could not be calculated by effective fluid compressibility or explained by unwell - distributed saturation. we account for this in a new reasonable way which was based on kuster scattering effect analysis
( 8 )根據kuster散射波理論,計算了飽和度大於85的準飽和土體的彈性波速,其結果與試驗非常吻合;但是,通常所用的等效孔隙流體壓縮系數的方法所計算的結果與實驗結果差別很大,對此,筆者給予了一定的解釋。In order to make clear the changing situation about various meteorological element fields during the heavy rain. the diagnostic analysis in three aspects was done in this text : the vapor conditions, in which the difference of the temperature and dew point, relative humidity, vapor flux and the divergence of vapor flux were discussed ; the dynamic and thermodynamic conditions, vorticity, divergence and vertical velocity were analyzed ; the vertical layer condition, which included potential temperature, static stability, convective ( potential ) instability and the vertical profile of eight physical fields over the observatory of shenyang
為了弄清這次暴雨過程各氣象要素場的演變情況,分三方面對暴雨的水汽條件(使用了溫度露點差、相對濕度、水汽通量和水汽通量散度) 、動力條件(使用了散度、渦度和垂直速度)和垂直層結條件(使用了位溫、靜力穩定度和潛在不穩定度以及沈陽單站的8個物理量的垂直廓線)等的變化,分別進行了診斷分析。The contrast analysis for the vertical distribution feature of the simulated physical quantities such as vorticity, divergence, vertical velocity. spiral degree etc suggests that there are a good disposal among the various physical quantities fields in the different stage during the period of sandstorm development, and reveals that the dynamic mechanism of the forming, developing, decreasing of the sandstorm weather and trigger and indication effects of the micro - mesoscale systems and secondary vertical circulation to the occurring and developing of sandstorm in northwest area
對渦度、散度、垂直速度、螺旋度等物理量的水平和垂直分佈特徵進行對比分析,發現各物理量場在沙塵暴發展的不同時期有著很好的配置,揭示出西北地區沙塵暴天氣的形成、發展、消弱的物理機制和中小尺度系統、次級垂直環流對沙塵暴天氣發生發展的觸發和指示作用。沙塵暴區上空螺旋度垂直分佈為高層負值,低層正值,螺旋度大小的演變與沙塵暴的出現有一定的對應關系。In the fields of fluid dynamics, entropy inequality reflects the second law of thermodynamics. i. e. entropy must increase across shock waves ( a kind of discontinuity ). all kind of approximate schemes should reflect the fact that it must satisfies some kind of discrete entropy inequality ). from the view of practical computation, stability and theo - retical error of any kind discrete schemes all dependend of the smoothness of the solution of ( 0. 2. 1 ). generally, the approximate solution have good stability and theoretial error in the area where the solutions have more regularity and poor stability and theoretial error in other area
從流體力學來看,它事實上是熱力學第二定理的反映,即熵越過激波(一種間斷)要增加。各種估計格式構造的估計解應反映這一事實,即滿足熵不等式。從實際計算來看,總是通過離散化求解,不考慮計算的積累誤差,它的穩定性與計算精度都依賴與真解的光滑性,一般說,在解較光滑的區域有較好的穩定性與計算精度,而在較粗糙的區域則相反。Secondly, according to the basic theory of the general spectrometer, in this paper we discuss the fundamental, the compositions and the characters of tcecs. we analyze the main influencing factors for resolving power, such as the dispersion of the x - ray on the detection circle, spectra location error and the aperture width etc. and we put out the ways to resolving the problems
接下來,本文根據經典光譜儀器的基本理論,著重討論了雙通道橢圓彎晶譜儀的基本原理,及其基本組成和基本特性,並從x射線波長在探測圓上的彌散度、光度參數與探測角之間的關系、狹縫寬度等方面對譜儀的精度和解析度的影響作了一定的分析,並提出了解決問題的辦法。Existence and uniqueness are proved by lax - milgram theorem for a type of degenerate divergence elliptic equation in a type of sobolev spaces with weight, and also the regularity will be studied
先用lax - milgram定理證明一類退化散度型橢圓型方程在帶權sobolev空間中弱解的存在唯一性,然後證明解的正則性。The scheme focuses on how to develop the platform by using. net technology, and the system design adopts soa and webservice technology architecture. this paper also describes bussiness cooperation management systm ( pr - bcms ) which includes the design and implementation of the workflow engine system, the distrbuted workflow schedule management mechanism, the visible web user - defined form and the data exchange platform
Net技術平臺,面向soa的系統設計,利用xmlwebservice技術構架來實現整個平臺的解決方案,其中重點提出了業務協作管理系統( pr - bcms ) ,包括工作流引擎系統、分散式工作流調度處理機制、可視化的web自定義表單、數據交換平臺的設計與實現。The computation of three dimensional volume is converted into that of integral of closed surface, which is based on the divergence theory
摘要利用散度定理將體積計算轉化為閉曲面上的積分,對曲面進行三角形網格剖分。Secondly, this thesis evaluates some main theories and method about market risk measurement. such as mean - variance criterion of markowitz and risk decentralization principal, single - factor model, multifactor model, down - risk model, black - scholes model and var model based on the calculation of loss. it also discusses the suitable conditions and defects of every theory and method, and think that var is a more perfect method for risk measurement by comparison
其次,評價了有關市場風險度量的一些主要理論和方法,如markowitz的均值?方差準則和風險分散原則、 capm模型和風險的市場因素模型、單因素模型、多因素模型、 downside - risk 、期權定價理論和現代基於損失計量風險的var等風險度量理論,並討論了各種風險度量方法的具體適用條件及相應的缺陷。In this paper, according to the integrated approach, which is qualitative and quantitative, some fundamental research on the complexity of the urban resource - environment system were done with the application of the dissipative structure theory
本論文按照從宏觀角度出發、定性與定量相結合的綜合集成的方法,運用耗散結構理論相關理論與方法,對城市資源與環境系統的復雜性進行了初步的探索。Another difficult research point is to develop a com - supported web server which can be used and introduced widely in the market. based on the practice, the sub - system of project management solves the problem of data input by the project dispatcher through project templates. the sub - system of project monitor resolves the difficult problem of monitoring the project ' s real - time status by the managers and has a certain analytic function for the statistic data
作為本系統的研究重點,用戶管理子系統解決了遠程分散式管理用戶的問題;另一個開發難點是支持插件的web服務器,它具有較好的應用推廣價值;項目管理子系統從實際出發,利用項目模板的形式解決了項目調度人員在創建項目時的數據錄入問題;項目監控子系統解決了各級管理人員監控項目進展情況的難點問題,並具有一定的統計分析功能。This paper uses methods of mathematical statistics to quantitatively measure the concentration and dispersion degree of spatial pattern and evaluate the convenience degree of spatial connection of wuhan in deviation ratio, compactness ratio, dispersion ratio, radial shape index and transportation distance
摘要運用數理統計方法,從偏離度、緊湊度、離散度、放射狀指數及出行距離等方面,對武漢市建成區幾何形狀的集中、分散程度和空間聯系的便捷程度進行定量化測度評價。In chapter 3 we analyze a useful statistical method - projection pursuit ( pp ), including its basic theory and application. we put out definitions of projection index and projection pursuit, then prove that pca is a special case of pp with sample variance as projection index and list some indices often used. in section 3. 3 we apply pp with information divergence index to hyperspectral image, and demonstrate the advanced ability of it by the comparison between it and pca
第三章圍繞一種新興的統計降維方法? ?投影尋蹤展開討論,概述投影尋蹤的一般理論,定義了投影指標和投影尋蹤的概念,證明了傳統的主成分分析方法是投影尋蹤的一個特例,證明了正態性與friedman指標為0的等價性;第三節針對高光譜圖像處理問題,從實例和理論兩個方面,論證了以信息散度為指標的投影尋蹤方法在提取信息的能力上優于以方差大小作為衡量信息量多少標準的主成分分析方法。Diffusion / oxidation furnace is a kind of very important equipment which is used in semiconductor process production line. it is applied in the manufacture process of the discrete semiconductor devices and integrated circuit which have diffusion, oxidation, annealing and alloying processing. it is also used in special temperature treatment of other material and is an auto - equipment which has the command of long time working, high precision and high stability
擴散/氧化爐是半導體工藝生產線上非常重要的一種工藝設備,用於分立半導體器件、集成電路製造過程中各種擴散、氧化、退火及合金工藝,也適用於對其他材料的特殊溫度處理,是一種要求能長時間連續工作、高精度、高穩定性的自動控制設備。At the same time we abroad some results of [ 1 ]. by introducing the concept of [ 3 ] about gr - linearly compact discrete ( gr - l. c. d. ), we have proved density theorem in semigroup graded module, and gain a equivalence : for, sqa is gr - injection if and only if for, rq is gr - linearly compact discrete ( gr - l. c. d. )
第四部分證明了半群分次模上的密度定理,並給出了一個等價條件,即:對任意的s s , _ sq _ a是分次內射的,當且僅當對任意的, _ rq _是分次線性離散緊的,記作: gr ? 1 . c . dFirst. for linear systems in more general divergent form stated in [ 1 ], we give a complete proof on the generation of an analytic semigroup for the linear system by verifying the general sufficient condition on the analytic semigroup ( (. a, b, ) is a - regular elliptic bvp ), which make up for the insufficiency in the existence of local solutions which was established by h. amann [ 2 ]. thus the h. amann ' s theory on local existence and global existence of ( 1 ) is valid for cross - diffusion system ( 1 )
所以我們首先利用h . amann [ 1 ]中給出的關于解析半群的充分條件( ( a , b , , , )是正則橢圓初邊值問題) 。詳細的證明了( 2 )對應的線性方程組生成解析半群,從而說明了h . amann的局部解存在性和整體解存在性理論在散度型方程組( 2 )中也是成立的,這在一定程度上彌補了h . amann [ 2 ]中局部解存在性理論證明的不完善。分享友人