積分三角函數 的英文怎麼說
中文拼音 [jīfēnsānjiǎohánshǔ]
積分三角函數
英文
trigonometric integral function- 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
- 三 : Ⅰ數詞1. (二加一后所得) three 2. (表示多數或多次) more than two; several; many Ⅱ名詞(姓氏) a surname
- 角 : 角Ⅰ名詞1 (牛、羊、 鹿等頭上長出的堅硬的東西) horn 2 (古時軍中吹的樂器) bugle; horn 3 (形狀像...
- 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
- 積分 : 1. [數學] integral; integrate; integration 2. [體育] (積累的分數) accumulate points
- 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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Due to the importance of the accuracy of the time - domain impedance matrix elements, the techniques by which treating of the singular integrals and near singular integrals arose from the tdie - mom solving process are analyzed in detail, and these techniques are utilized to solve the tdie. in the end, using triangle patches discretizing arbitrarily 3 - d dielectric objects and metal - nonmetal composite objects surface and utilizing spatial rwg and temporal triangular bases, the tdie are solved by mot algorithm
最後,分別對三維介質目標、金屬非金屬組合目標散射體表面用三角貼片離散,並在空間上採用rwg基函數,在時間上採用三角型時間基函數、利用阻抗元素的精確演算法計算出阻抗矩陣,再運用mot法分別求解了介質體目標,金屬非金屬組合目標的時域積分方程,並分析了金屬非金屬組合目標分界面上的等效電流與等效磁流的特性。In regard to research method, this paper adopted properties combining the qualitative and quantitative supply chain, and evaluated supply chain informationization. membership function, regular trapezium fuzzy mathematics, integral fuzzy mathematics and triangle fuzzy ahp were used to build up in index system. this paper innovated in the following points
在研究方法上,本文基於定性和定量相結合的原則,運用模糊數學的隸屬函數、正梯形模糊數、積分解模糊法等來對評價體系中的指標進行評價並量化,並綜合運用模糊數學的方法對供應鏈的信息設備利用率進行評價計算,最後運用基於三角模糊數的模糊ahp方法,來對供應鏈的信息化水平進行綜合評價。The moment method is used to calculate the rcs of three - dimensional targets in this paper. these targets include conducting targets, dielectric targets and coat targets. triangular patches are used to model the surface of the target, then electric field integral equation ( efie ) and magnetic field integral equation ( mfie ) are built which satisfy the boundary conditions. the rwg vector base functions are used to denote equivalent electric current and magnetic current on the surface of the target. finally use the galerkin method ( rwg vector base functions are basis function and test function ) to transform integral equations into matrix equation. when obtain the equivalent electric current and magnetic current, we can calculate the scattering field and the rcs of the target
本文利用矩量法計算了三維導體目標、介質目標、塗層目標的雷達散射截面。首先採用三角形面元對物體表面幾何形狀進行模擬,然後建立滿足邊界條件的電場積分方程( efie )和磁場積分方程( mfie ) ,將物體表面的等效電磁流用rwg矢量基函數表示,最後利用伽略金法( rwg矢量基函數既作為基函數又作為檢驗函數)將電磁場積分方程轉化為矩陣方程求解未知電磁流系數,得到了表面的等效電磁流后,可以計算散射場和目標的雷達散射截面。The latest scheme for objective analysis and mathematical model of quadratic 8 spline connecting line is using for improving analysis quality. plotting test have shown that this scheme has the characteristics such as reasonable design, high quality in map analysis
一是採用三角形、矩形面積插值方案,並加入物理原則,提高了客觀分析質量;二是聯線數學模型採用二次樣條函數,大大改善了等值線的光滑和均勻度;三是屏幕等值線修改採用人機對話方式,操作十分方便。In this paper, we obtain several theorem of the definite integral of triangle composite function
本文給出了計算三角復合函數的定積分的若干方法。Two cases are analyzedxonducting target with coat and dielectric target with coat. for the conducting target with coat, triangular patches are used to model the surfaces of the coat and the conducting object. now there have equivalent electric current and magnetic current on the surface of the coat, but only has equivalent electric current on the surface of the conducting object. the rwg vector base functions are used to denote equivalent electric currents and magnetic current. three integral equations should be built to obtain the unknown current coefficients ; for the dielectric object with coat, triangular patches are used to model the surfaces of the coat and the dielectric object. now there have equivalent electric current and magnetic current not only on the surface of the coat but also on the surface of the dielectric object. this time four integral equations should be built to obtain the unknown current coefficients
對于塗層導體目標,將塗層外表面和導體外表面進行三角形面元剖分,在塗層外表面有等效電磁流,導體外表面僅有等效電流(無等效磁流) 。將這些等效電磁流用rwg矢量基函數表示,需建立三個積分方程來求解未知的電磁流系數;對于塗層介質目標,將塗層外表面和內層介質外表面進行三角形面元剖分,在塗層外表面有等效電磁流,內層介質外表面也有等效電磁流,這時需建立四個積分方程來求解未知的電磁流系數。The related problem of how to construct the finite dimensional approximation of the integral operator by using radial basis functions, formulate the discrete euler ' s equation with its trigonaliza - tion, fastly realize the rules of selecting the regularization parameter are discussed
文中討論了利用徑向基函數作積分運算元的有限維逼近,離散euler方程的形成及其三對角化,以及在此形式下的各種選擇正則參數準則的快速實現等問題。分享友人