積分的值 的英文怎麼說
中文拼音 [jīfēndezhí]
積分的值
英文
principal value of integral- 積 : Ⅰ動詞(積累) amass; store up; accumulate Ⅱ形容詞(長時間積累下來的) long standing; long pending...
- 分 : 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
- 的 : 4次方是 The fourth power of 2 is direction
- 積分 : 1. [數學] integral; integrate; integration 2. [體育] (積累的分數) accumulate points
-
He uses this assertion to evaluate real integrals.
他利用這個斷言去求實積分的值。The following topics are covered in the course : complex algebra and functions ; analyticity ; contour integration, cauchy ' s theorem ; singularities, taylor and laurent series ; residues, evaluation of integrals ; multivalued functions, potential theory in two dimensions ; fourier analysis and laplace transforms
本課程包含下列各項主題:復數代數與函數;可解析性;輪廓積分;柯西定理;奇異性,泰勒與羅倫茲級數,留數,積分的運算;多值函數,二維的勢能理論;傅立葉分析與拉普拉斯轉換。Creep analysis methods of high - rise buildings and large span buildings can only refer to creep coefficient method in bridge engineering or the method of degree of creep in hydraulic construction engineering under the present experiment conditions. in this paper, the incremental expressions of concrete creep and shrinkage strain when the initial computational age is not the same as the loading age are derived and corrected from the concept of concrete creep coefficient and the mean value theorem of integral and the principle of superposition. the differences of efficiency and accuracy of creep analysis between the finite element method with creep coefficient and the initial stress method with degree of creep are presented. this paper suggests that engineers should use the initial stress method with degree of creep to estimate the influences of creep on high - rise buildings and large span buildings on the basis of conceptual design
基於現有的試驗資料,高層及大跨度民用建築的徐變分析只能參照橋梁結構中的徐變系數方法或水工結構中的徐變度方法進行.從徐變系數的定義出發,利用積分中值定理和疊加原理,推導並修正了加載齡期與起算齡期不同時徐變收縮應變增量的表達式,對比了應用徐變系數分析徐變的有限元法和應用徐變度分析徐變的初應變法在效率和精度上的差別,並建議應從概念設計的角度出發,採用徐變度的初應變法來估算徐變對高層及大跨度民用建築的影響Abstract : creep analysis methods of high - rise buildings and large span buildings can only refer to creep coefficient method in bridge engineering or the method of degree of creep in hydraulic construction engineering under the present experiment conditions. in this paper, the incremental expressions of concrete creep and shrinkage strain when the initial computational age is not the same as the loading age are derived and corrected from the concept of concrete creep coefficient and the mean value theorem of integral and the principle of superposition. the differences of efficiency and accuracy of creep analysis between the finite element method with creep coefficient and the initial stress method with degree of creep are presented. this paper suggests that engineers should use the initial stress method with degree of creep to estimate the influences of creep on high - rise buildings and large span buildings on the basis of conceptual design
文摘:基於現有的試驗資料,高層及大跨度民用建築的徐變分析只能參照橋梁結構中的徐變系數方法或水工結構中的徐變度方法進行.從徐變系數的定義出發,利用積分中值定理和疊加原理,推導並修正了加載齡期與起算齡期不同時徐變收縮應變增量的表達式,對比了應用徐變系數分析徐變的有限元法和應用徐變度分析徐變的初應變法在效率和精度上的差別,並建議應從概念設計的角度出發,採用徐變度的初應變法來估算徐變對高層及大跨度民用建築的影響A note on the inverse problem of integral mean theorem
關于積分中值定理反問題的注記The thesis also involves some detailed techniques come across in the numerical simulation process of elastic dynamic fem analysis, and remarks the theoretical foundation and applications to them, which covers mass scaling, hourglass deformation mode and dimensional compatibility
本文還對彈性動力學有限元數值計算過程中遇到的若干技術細節進行了深入分析與探討。這包括質量縮放技術對時間步長的影響、單位制對計算速度的影響以及單元剛度單點數值積分的沙漏模態控制技術等。The strong convergence areas, which are coincide to the big rain belt, mostly lie in the planetary - scale water vapor transport. iii
夏季垂直積分的水汽輸送通量強輻合區大多位於行星尺度水汽輸送大值帶中,和降水大值區之間有很好的對應關系。Inequality to estimate calculus and approximate computation
一類函數積分的估值公式與近似計算Borrowing the traditional two - speed approach originally developed in conventional attitude integration, we design one new numerical integration algorithm to solve the three kinematic equations. the new navigation algorithm based on dual quaternion is thus constituted
借鑒成熟的姿態四元數積分的雙速演算法結構,設計了一個數值積分演算法求解以上三個運動學方程,構建了基於對偶四元數的捷聯慣性導航演算法。Based on the depth - integrated 2 - dimensional mathematical model, the numerical simulation of the effect of a deep - water navigation channel project on the hydrodynamic flows is presented in this paper
本文基於沿水深積分的平面二維非定常流動數學模型對長江口攔門沙水深水航道工程對長江口水域流場的影響作了細致的數值模擬。In this dissertation, the numerical computation for the acoustic radiation problem ( arp ) is studied deeply and systematically in the theory, method and the application technique, based on analyzing the situation of the home and abroad on the numerical computation for the acoustic radiation problem. the calculation formulas of the boundary element method ( bem ) for the exterior acoustic radiation problem in the full - space and half - space are deduced, based on the wave propagation theorem ; the arising of the non - unique solutions, which is associated with the application of the boundary integral equation ( bie ) in acoustic radiation problem, is analyzed and proofed ; the improved combined helmholtz integral equation formulation ( ichief ) is presented to overcome the non - uniqueness problem more effectively and reliably ; the determination of the singular integral coefficients on various occasions is analyzed ; the properties and treatments of the singular integrals with different orders axe studied ; the computation program of the cubic spline ichief is developed and its ability to overcome the non - uniqueness problem and feasibility to discrete the surface coarsely with the sufficient calculation precision are examined through examples
第二章在聲波動理論基礎上,詳細地推導出對應于無限域和半無限域的外部振動聲輻射問題的邊界積分方程計算公式;根據fredholm積分理論,對利用邊界積分方程計算振動聲輻射問題過程中解的非唯一性的產生進行了分析和證明;改進了chief法以提高其克服解的非唯一性的有效性和可靠性;對不同條件下奇性系數的計算、強奇性積分的收斂性及其在變量替換時與普通積分的差異性、不同階奇性積分的計算、數值求積分等進行了研究;開發了三次樣條改進chief法計算軟體,並通過算例考核了該方法在特徵波數處克服解的非唯一性的有效性和在保證計算精度的前提下實現剖分粗化以提高計算效率的可行性。In the process of production and selection of eye - dots, firstly, the binary image contained human eye region is abstracted by morphological translation, labeled based on connection and the labeled region are assembled into candidates of human eye dots. after the dots are fine tuning based on gray projection calculation, they are chosen ground on gray and edge information
在人眼待選點的產生和篩選過程中,我們首先通過形態學變換提取包含人眼區域的二值圖像;對二值圖像進行基於連通性的標注;標注區域會聚形成候選人眼點;再對候選點進行基於灰度投影積分的小鄰域微調;然後結合灰度信息和邊緣信息進行人眼點的篩選。Null - additivity and absolute continuity of k - quasi - additive fuzzy number valued integrals
擬可加模糊數值積分的零可加性與絕對連續性And the thickness of the overlay is achieved. the target of this paper is to set up connection between ndt and the methods. if flexibility of the overlay is measured, the thickness of it is gotten straightly through this connection
然後將解析解的表達式經過一系列恆等變換,得到二維有限區域上二重積分的形式;進行二維fourier反變換,利用高斯積分編制計算程序,求出數值解,並以此為基礎通過目標優化得到加鋪層厚度。A recurrence method of estimating multivariable integral
多重積分數值計算的一種遞歸方法With regard to the flow regulation of the best - effort traffic, the controllable traffic in high speed computer communication networks, the present paper proposes a novel control theoretic approach that designs a proportional - integrative ( pi ) controller based on multi - rate sampling for congestion controlling. based on the traffic model of a single node and on system stability criterion, it is shown that this pi controller can regulate the source rate on the basis of the knowledge of buffer occupancy of the destination node in such a manner that the congestion - controlled network is asymptotically stable without oscillation in terms of the buffer occupancy of the destionation node ; and the steady value of queue length is consistent with the specified threshold value
本文從控制理論的角度出發,針對計算機高速網際網路中最大服務交通流即能控交通流的調節問題提出了一種基於多速率采樣的具有比例積分( pi )控制器結構的擁塞控制理論和方法,在單個節點的交通流的模型基礎上,運用控制理論中的系統穩定性分析方法,討論如何利用信終端節點緩沖佔有量的比例加積分的反饋形式來調節信源節點的能控交通流的輸入速率,從而使被控網路節點的緩沖佔有量趨于穩定;同時使被控網路節點的穩定隊列長度逼近指定的門限值。And also, through the numerical algorithm of fresnel diffraction, we have realized the computer generation and numerical reconstruction of point hologram and fresnel hologram
利用菲涅耳衍射積分的數值演算法,分別實現了基元全息圖和菲涅耳全息圖的計算機生成和數字重現3. the different forms of oil whip presented in engineering practice are verified by the numerical examples from nonlinear theory. the influence of different mass eccentricity, rotating speed, bearing load and external damper are numerical studied also
運用數值積分的方法,對油膜振蕩的發生、發展、失穩機理及諸多影響因素進行分析,從理論上深層次揭示工程實際中表現出來的油膜振蕩形式的多種多樣性。Based on the deduced vector potentials, the expressions of the electric fields are derived. also the numerical evaluation method of sommerfeld integrals appeared in the expressions is discussed
接著推導出半空間界面附近電偶極子的電場強度的表達式,並討論表達式中索末菲積分的數值求解方法。So, based on previous research achievement and the knowledge regarding molecular movement and calculus and numerical value analysis, practical calculating method is set up in this paper : 1
因此本文在已有研究成果的基礎上,利用分子運動論、微積分、數值分析等相關知識,建立了實用的鋼筋初始銹蝕時間的計算方法: 1分享友人