函数的积分

A Starting from a path integral representation, obtain the Greens function of a harmonic oscillator

从路径积分表示式，得到谐振子的格林函数

A self-adaptation method to sample the unknown variables in the Green's function and in the generalized Sommerfeld integral in high frequency domain is proposed.

同时，还提出了对恒定电场中格林函数待定系数和高频下半无限大导电媒质中广义索末菲积分待定系数进行采样的自适应方法。

The integral of a function over a definite interval .

在有限间隔内的函数积分。

This new kind controller contains an integral operator called kernel function.

这种新型的Backstepping控制器包含一个积分算子，称为变换核函数。

Nabla operators applied on the scalar Green's function are applied on electric and magnetic fields using integration by parts.

利用分部积分将作用在标量Green函数上的Nabla算子转移到电磁场强上。

Main attention is paid on the third part; in this part several kinds of method to physical geodesy regularization problem are discussed, which are Tikhonov regularization, truncated singular value decomposition, biased estimation and least squares collocation.

在经典小波变换的基础上引入了球面小波概念，证明了Possion积分核是小波尺度函数，在尺度离散基础上证明了球外重力场处于一个多尺度空间。

The probability density functions of scintillation for the terrain, the sea surface and the forest, the two scattering terrain model was obtained, in which the probability integral is made by the method of steepest descent.

分析中采用最速下降法处理概率积分，获得了与岩石、海洋和森林二大类地物散射体对应的闪烁概率密度函数。

The displacement of each strip is interpolated in nodal line displacements.Then the problem is east into ODLS problem by variational principle,and solved byNDTFM.

将位移离散模型代入问题的变分关系中，通过积分、变分等过程将问题转化为一个一维问题，这样就可以应用数值传递函数求解。

First and second order linear differential equations Path integral Numerical series Functions of the real variable: sequences and series of functions, entire series, applications to Fourier series.

第一，二阶线性微分方程路径积分数值系列在实变函数：序列和职能系列，整个系列，以傅里叶级数的应用。

From teaching experience of long term,in a new way,author put forward to a brand new succinct comment and certification of Riemann Integral.

在传统的定积分教学中，往往采用达布上和、下和方法来证明函数可积性，过程繁琐，难于理解。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。