Based on satellite gravity and geoid observation results, we calculated and analyzed different order and degree of harmonic function of geoid, which can express earth shape. 分析了在太阳和月球的引力作用下地球形变对重力测量的影响,给出了一个简便的计算模型,可以比较准确地改正地球形变对重力测量的影响。
By means of the direct decomposition of spherical harmonic function, the spectrum and the dimension of all the eigen-spaces are obtained. 利用球调和函数的直和分解,得到了亚椭圆算子的谱和每个特征值所对应的特征空间及其维数。
A Method of Making an Analysis Function From a Harmonic Function 由调和函数构造解析函数的一种方法
Research on method for entire calculation of GPS strain field by using spherical harmonic function 用球谐函数整体解算GPS应变场方法研究柱谐[圆柱,调和]函数
The expressions of temperature distribution function and displacement function of a easing string by steam flooding are worked out respectively by separate variable method and harmonic function method. 用分离变量法和调和函数法分别求解套管温度分布函数和位移函数表达式。
A Simple Method of Getting Corresponding Analytic Function by Means of Harmonic Function 由已给调和函数求与之对应解析函数的一种简便方法
On the Convergence of Fitting Seismic body-wave's Q-value 3-dimensional Distribution by Using of Spherical Harmonic Function 用球谐函数拟合地幔Q值三维分布的收敛性问题
A criterion of harmonic function with single-valued conjugate harmonic function in n-connected domains is also arrived at. 文中还得到判别多连通区域内的一个调和函数是否具有单值共轭调和函数的一个判别准则。
By using the green formula and the character of harmonic function, the integral expression of ternary harmonic function in the spatial region Ω, outside and on the boundary were studied. 利用Green公式及调和函数的性质,系统地研究三元调和函数在空间区域Ω内、外及边界上的积分表达式;
Integral Representation and Application of Harmonic Function on Bounded Domain in R~ n R~n中有界域上调和函数的积分表示及其应用
A new lowering-order expression of spherical harmonic function is also derived from these two new recurrence formulas. 并在这两个新公式基础上导得球面谐和函数Yl(θ,φ)的降阶表达式。
Regional surface-wave group velocity inversion by spherical harmonic function method 区域面波群速度反演的球谐函数法
This paper involves the use of the spherical harmonic function in molecular surface simulation to resolve the problem of docking between macromolecules ( proteins) and make a stable foundation for the computer aided drug design. 本文将球谐函数应用在分子表面模拟上,以解决生物大分子(蛋白质)与生物大分子(蛋白质)之间的对接(dock),为药物分子设计的研究奠定理论基础。
Research on Periodical Nor-sine Odd Harmonic Function 周期性非正弦奇谐波函数的研究
This paper has investigated the expression on rotational motion of earth's surface and Earth's deformation fields with complex vector surface spherical harmonic function, theoretical definition of the crust-fixed reference frames and the terrestrial reference system, and theoretical substantiating to the consistency between them. 本文研究了内核地球模型下的地球表面的旋转运动和地球形变场的复数矢量球函数表示,以及外壳固定参考架、地球参考系的理论定义和它们之间等价性的理论证明。
Application of Complex Vector Spherical Harmonic Function in Deformational Field 复数矢量球谐函数在形变场中的应用
The Dirichlet boundary value problem for harmonic function 调和函数的Dirichlet边值问题
Finally, the first-passage time of controlled muti-degree of freedom strongly non-linear systems under wide-band noise excitation has also been studied by using the stochastic averaging method based on the generalized harmonic function. 最后利用广义谐和函数的性质,研究了宽带噪声激励下的具有控制的多自由度强非线性系统的首次穿越问题,给出了其最优控制策略及实际应用的例子。
In this paper, the mapping between reference region and physical region is built in advance by harmonic function, and which is extended to the transformation between triangular regions. 本文先以调和函数建立起参考域和物理域之间的映射,并把这种映射拓广到了三角形域间的变换。
Space of Harmonic Function on Manifolds 流形上的调和函数空间
The Dirichlet problem at infinity for harmonic function on Riemannian Manifolds 流形上调和函数关于无穷远边界的Dirichlet问题
Conclusions TTE with tissue harmonic function can be used to accurately measure the size of hard-rim ASD and is a feasible, effective and simple method for guiding ASD occlusion. 结论TTE结合组织谐波功能可以准确测量硬缘ASD大小,是指导ASD封堵的可行、有效、简便方法。
Study on Visualization of Spheric Harmonic Function 球谐函数的可视化研究
These two boundary value problems can be easily solved by using the conformal mapping and the harmonic function continuation techniques. 通过保角映象和调和函数延拓方法,可以方便地解出边值问题。
Submanifolds with Constant Scalar Curvature and the Harmonic Function of Finsler Manifold 关于常数数量曲率的子流形和Finsler流形上的调和函数
Static reactive power generator with a special circuit structure, high frequency power electronic switching device, advanced control algorithm with real-time, the precise reactive compensation ability, and has the filter and inhibit the harmonic function. 静止无功发生器采用特殊的电路结构、高频率电力电子开关器件、先进的控制算法使其具有实时、精确的无功补偿能力,并且具有滤波和抑制谐波的功能。
At last, we implement a numerical experiment for a harmonic function in two dimensional space. We intend to verify how such a conditional stability affects our numerical result. 最后,根据我们建立的条件稳定性结果,我们针对二维调和函数进行了数值试验,意在考察这种条件稳定性对数值解的影响。
Fourier transform plays an important role in spherical harmonic function, at the same time it also restricts the development of spherical harmonic function in the frequency domain. 在频率域中傅立叶变换对球谐函数起着重要作用,同时傅立叶变换也制约着球谐函数在频率域的进一步发展。
The k-distribution water cloud optical properties parameterization method, four-stream spherical harmonic function algorithm and solar radiation in longwave region are applied in National Climate Center atmospheric general circulation model called BCC_AGCM2.0.1. 利用国家气候中心大气环流模式BCCAGCM2.0.1分别讨论了k分布水云光学性质参数化方案、四流球谐函数算法、长波区间太阳辐射对气候模拟的影响。
The first passage failure criterion and stochastic harmonic function of power spectrum density model of non-stationary random process for earthquake action are utilized. The dynamic reliability computing of structures is performed based on the Matlab platform with calling the ANSYS general program. 利用首次超越破坏准则,并结合地震作用非平稳随机过程功率谱密度模型的随机谐和函数表达式,在Matlab平台上调用ANSYS通用程序进行结构动力可靠度计算。