first-order plane 中文意思是什麼
first-order plane
解釋
第一序列平面-
Through the analytic continuation of first order perturbation function in the - plane, we have that the integral path of dispersion equation should use the landau path
。通過將一級微擾函數在整個復頻率平面上解析延拓，得到色散方程中的積分路徑應採用landau積分路徑。 -
In this paper, we first study the growth and regular growth of dirichlet series of finite order by type function in the plane and obtain two necessary and sufficient conditions ; and prove that the growth of random entire functions defined by random dirichlet series of finite order in every horizontal straight line is almost surely equal to the growth of entire functions defined by their corresponding dirichlet series. then we define the hyper - order of dirichlet series of infinite order respectively in the plane or in the right - half plane, study the relations between the hyper - order and regular hyper - order of dirichlet series of infinite order and the cofficients ; obtain the hyper - order of random entire functions defined by random dirichlet series of infinite order in every horizontal straight line is almost surely equal to the hyper - order of entire functions defined by their corresponding dirichlet series
本文首先利用型函數研究了全平面上有限級dirichlet級數的增長性和正規增長性，得到了兩個充要條件；證明了有限級隨機dirichlet級數的增長性幾乎必然與其在每條水平直線上的增長性相同。對于無限級dirichlet級數，分別在右半平面及全平面上定義了其超級的概念，研究了它們的超級和正規超級與其系數間的關系；得到了平面上無限級隨機dirichlet級數的超級幾乎必然與其在每條水平直線上的超級相同。 -
Data processing is performed by pc ， which includes detecting rough error by quartile method base on first order differential, adopting three points algorithm to eliminate deviations of rack displacement and installation, applying minimum containing area method to evaluate the sectional plane radius of roller and realizing it by genetic algorithm, adopting akima method to fit curve of roll profile
主要的數據處理工作在上位機進行，採用基於差分法的分位數演算法剔除粗大誤差；採用三點式測量原理消除探頭的安裝及運動所產生的誤差；採用最小包容區域法評定軋輥半徑，並應用遺傳演算法實現最小包容區域法的尋優計算；採用阿克瑪插值方法進行輥型的曲線擬合。 -
The conformal microstrip antenna with some unique character has been applied in many fields, especialy on speedy objects. in this paper, an efficient fdtd algorithm is introduced to analyse the microstrip antenna. firstly, the fdtd formula in descartes coordinate system and in cylindrical coordinate system are obtained from the time _ dependent maxwell equations using the yee algorithm in a calculating region where the dielectric parameters are independent of time and space. the choice of the space discretization units and the time discretization interval are discussed which are decided by the accuracy and stability respectively. the shape and setup of the excitation source are discussed too. the excitation source is chosen to be gaussian pulse in shape. secondly, the mur ' s first - order and second - order boundary condition are deduced in cylindrical coordinate system. the methods of transforming radiation fields from near zone to far zone in the frequency domain and in the time domain are presented when fdtd is applied to analyse the characteristics of far zone. finally, three kinds of microstrip antennas are analysed. they are a slot antenna that lies on a plane ground of a microstrip, a slot antenna that lies on a cylindrical ground of a microstrip and a microstrip line _ fed aperture coupled stacked rectangular patch antenna in cylindrical coordinate system
本文從麥克斯韋旋度方程出發，建立了笛卡兒坐標下無源空間中均勻無耗媒質的fdtd基本方程和圓柱坐標下無源空間中均勻無耗媒質的fdtd基本方程，詳細討論了fdtd法計算中時間步長和空間步長的選取原則以及激勵源的類型和設置；推導了mur一階和二階邊界條件在圓柱坐標下的差分格式；給出了在用fdtd法計算天線的遠場輻射特性時必需採用的頻域和時域近場遠場變換技術；最後用fdtd法計算了平面微帶縫隙天線、柱面共形微帶縫隙天線和柱面共形微帶層疊天線的輸入阻抗和遠區輻射場，並分析了天線的一些參數的變化對天線輸入阻抗的影響，得出了一些有用的結論。 -
In order to find the location of the cross points in the image, we first obtain the equations of the lines in the image plane by using hough transform and then get the cross points of the lines. the result of the camera calibration using this method is more accurate
在計算定標點的圖象坐標時，我們採用了哈夫變換的方法求出定標方格圖上格線的方程，然後再求格線交點的圖象坐標，從而使定標的參數更準確。 -
Secondly, in this part, we will introduce the notation of average geodesic curvature for curves in the hyperbolic plane, and investigate the relationship between the embeddedness of the curve and its average geodesic curvature. finally, we will employ the minkowski ' s support function to construct a new kind of non - circular smooth constant breadth curves in order to attack some open problems on the constant width curves ( for example, whether there is a non - circular polynomial curve of constant width, etc. ) in the second part, we will first follow the ideas of gage - hamilton [ 28 ], gage [ 26 ] and the author ' s dissertation [ 47 ] to present a perimeter - preserving closed convex curve flow in the plane, which is from physical phenomena
其次，對雙曲平面上的曲線引入平均測地曲率的概念，並討論雙曲平面上凸曲線的嵌入性與它的平均測地曲率之間的關系，其目的是為了將雙曲平面上曲線的性質與歐氏平面中曲線的性質作一些對比；最後，我們利用minkowski支撐函數構造了一類新的非圓的光滑常寬曲線，其目的是想回答有關常寬曲線的一些未解決問題（如是否存在非圓的多項式常寬曲線 -
The model of the problem is composed of two half spaces with half circular lining inclusion. horizontal surfaces of the half spaces are loaded with undetermined anti - plane force in order to satisfy continuity conditions at linking section, or with some certain forces to appear cracks. a series of fredholm integral equations of the first kind for determining the unknown forces can be set up through continuity conditions that expressed by using of the green " function
然後將問題的模型視為「契合」問題，即將其剖分為兩個含半圓環形襯砌的彈性半空間，分別在其剖分面上加置未知的出平面荷載，並在欲出現裂紋位置加置出平面反力使之產生裂紋，接下去利用green函數表示出界面連續條件，建立決定待解外力系的第一類fredholm積分方程組。 -
The first, the achievement of dirichlet series in the right half - plane and in the complex plane for a few years are related. on the base of this, when the general exponential condition holds, and under the condition of lim = 1, i study infinite order dirichlet series in the right half - plane and in the complex plane, and obtain the relations between the order of growth of dirichlet series and conffieients. the second, we study the factorization of entire function in the condition of composition of functions, and obtain the necessary conditions of some pseudo - prime or e - pseudo - prime functions
本文分兩部分，第一部分就右半平面上的dirichlet級數和全平面上的dirichlet級數這兩方面對近年來的研究成果作了簡單的敘述，在此基礎上，作者在一般的指數條件與（ ? ）情形下，對右半平面上和全平面上的無限級dirichlet級數作了系統研究，獲得dirichlet級數的系數與增長性之間關系的一些新結論。第二部分研究整函數的因子分解，得到判斷函數為擬素的或e ?擬素的一些必要條件。 -
This paper considers a general linear elliptic complex equation of first order in the plane, and proves that the weakly regular solutions must be the regular ones under condition c
摘要考慮復平面上一般一階線性橢圓型復方程，在條件c下，證明?其弱正則解必為正則解。
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