數值數學 的英文怎麼說
中文拼音 [shǔzhíshǔxué]
數值數學
英文
numerical mathematics-
The numeric weather forecasting has got a great success in the last years, with the development of aerography, physics, computer and computing mathematics
近年來,隨著氣象學、物理學、計算機和計算數學等學科的迅速發展,數值天氣預報技術取得了巨大的成功。Deere k a. computational investigation of the aerodynamic effects on fluidic thrust vectoring. aiaa 2000 - 3598
喬渭陽,蔡元虎.基於次流噴射控制推力矢量噴管的實驗及數值研究.航空動力學報, 2001 , 16 ( 3 )Deng x g, zhuang f g, mao m l. on low mach number perfect gas flow calculations [ r ], aiaa paper 99 - 3317
鄧小剛.粘性超聲速復雜氣動力干擾的數值模擬[ d ] : [博士學位論文] ,中國空氣動力研究與發展中心, 1991Mayer a e h j, stowe r a. experimental study into mixing in a solid fuel ducted rocket combustion chamber [ r ]. aiaa 2000 - 3346
餘勇,陳小前,等.三維實驗固體火箭沖壓發動機燃燒室湍流反應流數值模擬[ j ] .國防科技大學學報, 2002 , ( 5 )This paper uses numerical analysis methods to simulate two fighters fighting in the air by computer and researches all the problems at different postures of the fighters when fighting. the mathematical modeling is preliminarily researched and designed during the air action emulation of two fighters. a sort of description means which is found is more realistic for the simplified modeling of the fighters
本文利用數值分析方法通過計算機模擬模擬戰斗機的空戰過程,研究戰斗機在各種空戰態勢下的戰斗使用問題,對雙機空戰模擬中的飛機數學模型進行初步研究與設計,找到一種較為符合實際的飛機簡化模型描述方法。The best optimum mathematical model is constituted. scalar factor of structural parameter on loop rectangular negative pressure and adsorption slide is calculated. structural parameter, air gas source pressure carrying capacity and thickness of air cell are made sure by hydrodynamics and the theory of gas lubrication
詳細論述了導軌副的設計過程,運用數學上的拉格朗日條件極值求解法,建立最優化數學模型,求出環矩形負壓吸附導軌的結構參數的比例情況,並運用流體力學和氣體潤滑理論確定了環矩形負壓吸附導軌的結構參數、氣源氣壓、承載能力和氣膜厚度的確定性結論。In section one, by using fice scheme and time - gcm, a model of trace gases and oh airglow affected by gravity wave is set up, then the propagation of nonlinear gravity wave and the effect on trace gases and oh airglow are analyzed. the result shows gravity wave excited by tropospause forcing can propagate stably to the mesosphere through the stratosphere so that energy and momentum can be transferred from one region to another. in this process, gravity wave undergoes growth, overturning, convection and breaking
在第一部分的工作中,利用全隱歐拉格式和全球熱層-電離層-中間層-電動力學環流耦合模式( time - gcm ) ,對重力波的非線性傳播及其在傳播過程中對中高層大氣中氧族和氫族成分和與之密切相關的oh氣輝輻射的影響進行了數值模擬,結果表明,從對流層向上傳播的重力波經歷了產生、發展、飽和、對流產生直至破碎的非線性演化,大氣的非等溫結構加速了重力波在中層頂區的破碎,重力波的非線性傳播是小尺度對流和湍流產生的一個重要的源。On the penultimate blank page of a book of inferior literary style, entitled sweets of sin produced by bloom and so manipulated that its front cover came in contact with the surface of the table with a pencil supplied by stephen stephen wrote the irish characters for gee, eh, dee, em, simple and modified, and bloom in turn wrote the hebrew characters ghimel, aleph, daleth and in the absence of mem a substituted goph, explaining their arithmetical values as ordinal and cardinal numbers, videlicet 3, 1, 4 and 100
在用低俗文學體裁寫的一本題名偷情的快樂的書是布盧姆掏出來的,他擺得很巧妙,使封面和桌面接觸那底封前倒數第二張空白襯頁上,斯蒂芬用一管鉛筆斯蒂芬提供的以簡略體與裝飾體寫下相當于g a d m的愛爾蘭語字母117 。布盧姆則寫下希伯來字母ghimel aleph daleth和qoph這是用來代替所缺的mem的。他還說明,這些字母作為序數及基數的算數值,各自代表三一四及一百118 。A programming language based on algol and designed for non ? numeric manipulation of mathematical expressions
一種以algol語言為基礎,為數學表達式進行非數值操作而設計的程序設計語言。Simulation of penetration test of armoured plate is presented by explicit dynamics algorithm
摘要採用顯式動力學演算法對裝甲材料侵徹試驗的過程進行數值模擬研究。The mathematical theory and merit of tension spline function in rainfall isoline smoothing were also introduced
介紹了張力樣條函數的數學原理及其在等值線光滑應用上的優點。The third chapter is the highlight of the text which focuses on the analysis of the classical colliding case at the " crossing situation ", calculating the distance between two vessels in the state of " involving risk of collision ", approaching a " close - quarters situation " and the " immediate danger situation " through the mathematical model, the thesis sums up the lessons and the prevention of the colliding accidents in every stage at the " crossing situation " by combining with the qualitative analysis, and puts forth a series of methods for avoiding collision aim at three different patterns at the " crossing situation "
包括三個階段計算臨界值數學模型的建立。第三篇是本文的重點,主要對典型交叉相遇碰撞事故進行了分析。通過相應的數學模型計算出兩船碰撞危險形成時機,緊迫局面與緊迫危險形成時的兩船距離,結合定性分析來總結每一交叉態勢碰撞事故的教訓與預防,並提出了一系列針對三種不同交叉態勢的不同避碰方法。A primary study on the mathematical model of gin
灌漿強度數值數學模型初步研究In 2005, 61 physical and chemical parameters were measured and analysed in sediments. these included particle size, electrochemical potential as highly anoxic sediment with negative potential is related to organic pollution, chemical oxygen demand which indicates organic pollutants, total sulphide inorganic constituents, source of the unpleasant - smelling gas hydrogen sulphide, 15 metals and metalloids aluminium, arsenic, barium, boron, cadmium, chromium, copper, iron, lead, manganese, mercury, nickel, silver, vanadium and zinc, and trace toxic organics pahs and pcbs - 16 compounds and 18 congeners respectively
2005年,沉積物監測包括分析61種物理及化學參數,其中有粒子大小電化學勢有機污染促使沉積物缺氧,而讓電化學勢呈負數值化學需氧量顯示有機污染程度總硫化物無機物,是造成難聞氣體硫化氫的主因15種金屬及準金屬鋁砷鋇硼鎘鉻銅鐵鉛錳汞鎳銀釩及鋅和痕量毒性有機物多環芳烴及多氯聯苯分別為16種復合物及18種同質物。Apply mathematical functions to numeric data and store the result in a derived column
對數值數據應用數學函數,然後將結果存儲到派生列中。Basic numerical mathematics
基本數值數學The trigger time of decision - making is handled as random variables. after computing the expectation on the distribution function, the approximate solution can be got by employing numeric techniques to the target function that involves european option pricing formula
通過把決策觸發時間隨機化以及針對分佈函數求數學期望等手段,可以利用歐式期權定價公式得到問題的數值近似解。They develop cost functions, which express the mathematical relationship between costs and their cost drivers
他們創造了價值函數,用數學關系式來表示成本和成本動因之間的關系。According to the relationship between the local modulus maxima of wavelet coefficients and the local singularity, and the multiresolution analysis of wavelet transformation, the blocklines is flagged. then using the method of binary image processing and mathematical morphology to get the complete blocklines, and to construct the binary control mask. the control mask identifies valid and invalid discrete phase distribution, and remains the errors of phase unwrapping within the local confines successfully
針對直接標記截斷線的困難,利用小波變換系數的模極大值與局部奇異性的關系,通過檢測多尺度小波變換系數模極大值的位置來標記截斷線的基本走向,進而採用二值數學形態學處理方法形成完整的截斷線,構成標記出極點與截斷線等易產生錯誤的區域的二元模板來,將位相展開的錯誤限制在局部范圍。Paper has first given its much angle and the mathematics definition of reality ammunition index number on the basis of elaborating the accident reality ammunition meaning of authorized strength of index number to evaluate the effect of prison pipe safe overall condition ; secondly for the specific statistical technology of the reality ammunition index number of authorized strength, do relatively detailed introduction, include the circle of prison safe accident to gather, accident type and rank surely with data to distinguish, data arrange to describe, the collection that accident divides into to worth, accident seasonal change analysis, various authorized strength of reality ammunition index number with reality certificate ; show clearly construction prison safety finally in advance systematic route
摘要首先在闡述編制事故實發指數意義的基礎上,給出實發指數的數學定義及其多角度評估監管安全整體狀況的作用;其次就編制實發指數的具體統計技術進行較為詳盡的介紹,包括監管安全事故的界定與數據採集、事故類型與級別區分、數據的整理描述、事故分值的匯總、事故的季節變動分析、各種實發指數的編制與實證;最後指明建設監管安全預警系統的路徑。分享友人