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In this paper, based on the invariant subspace theory and adjoint operator concept of linear operator, a new matrix representation method is proposed to calculate the normal forms of n order general nonlinear dynamic systems.

对于 n阶一般的非线性动力系统,根据线性算子的不变子空间理论和共轭算子概念,提出一种计算其规范形的新的矩阵表示方法。

The major target of my paper is to research the columnar conformal microstrip antenna at the wavelength of 8mm.

本文的主要工作是对8毫米波段的圆柱共形微带天线的设计研究。

Generation and reconstruction of computer-generated hologram of images display on spherical surface by use of conformal maps is presented.

研究了基于共形对应的球面图像的计算全息图的生成和重现。

The research on conformal antennas performance is a very active research field, and it is the important technique in the future intelligent stealth technique and weapon system.

共形天线的性能研究是一个非常活跃的研究领域,也是未来电子战争中隐身技术的重要部分。

The input impedance and radiation patterns of the probe-fed cylindrically conformal microstrip antennas with a dielectric superstrate are analyzed based on a rigorous full-wave approach.

基于严格的全波方法分析计算了介质薄层覆盖下由探针激励的圆柱共形微带天线的输入阻抗和辐射方向图。

Feeding patterns of antenna array are researched and feeding network is designed. Three-unit and four-unit models for the cylindrically conformal microstrip antenna array are set up and their directivities are simulated respectively. Through the comparison of the simulation results, the four-unit array is proved to be feasible.

对天线阵列的馈电方式进行了研究,设计了天线阵列的馈电网络,建立了三单元和四单元柱面共形微带天线阵列模型,对方向性分别进行了仿真分析,比较仿真结果,选用了满足工程需要的四单元阵列。

This space is a very importantsubject in physics, it is also one of the vacuum solutions of the Einstein equation in thetheory of relativity.

在物理学中有一个猜想:AdS-空间上的经典重力理论与这个空间理想边界上的共形场理论是等价的。E。

Given a hyperbolic plane H2(-1)=,whose sectional curvature k is function K is the Gaussian curvature of the conformal metric g = e2ug ,then K satisfies the conformal Gauss curvature equation .

设H~2(-1)=是具常截面曲率k==1的双曲平面,其中B={∈R~2:x~2+y~2<1}是单位圆盘,g=4(dx~2+dy~2)/(1-x~2-y~2)~2是所谓的Poincaré度量。考虑H~2(-1)上的共形形变度量?

There is a conjecture in physics that the classical gravitation theoryon AdS-space is equivalent to the conformal field theory on the ideal boundary ofAdS-space.

在物理学中有一个猜想:AdS-空间上的经典重力理论与这个空间理想边界上的共形场理论是等价的。E。

In this paper, we discuss the 2-harmonic spacelike submanifolds in a locally symmetric and conformally flat pseudo-riemannian manifold and get two sufficient conditions under which Mn turns into a maximal submanifold,and the results in [2] are improved.

讨论局部对称共形平坦伪黎曼流形的2-调和类空子流形,得到这类子流形成为极大的二个充分条件,推广了文[2]中的结论。

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Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势,并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。

This dramatic range, steeper than the Himalayas, is the upturned rim of the eastern edge of Tibet, a plateau that has risen to 5 km in response to the slow but un stoppable collision of India with Asia that began about 55 million years ago and which continues unabated today.

这一引人注目的地域范围,比喜马拉雅山更加陡峭,是处于西藏东部边缘的朝上翻的边框地带。响应启始于约5500万年前的、缓慢的但却不可阻挡的印度与亚洲地壳板块碰撞,高原已上升至五千米,这种碰撞持续至今,毫无衰退。