This article introduced three methods of measuring electromagnetic pulse and analysed how to calculate the integral by a physics way.
介绍测量电磁脉冲量的三种方法原理，分析如何用物理方法求数学上的积分。
And then, by using the stress strength interference theory to calculate fracture probability is converted to resolve a one dimensional integral.
当用应力—强度干涉理论计算断裂概率，问题归结为一维积分式的求解。
This paper compares convolution integral with convolution summation by graphic solution method, then provides different kinds of simple calculate method and explain its applied method with examples.
文中主要讨论卷积积分与卷积和的图解法比较，在此基础上，给出了他们各自的简易算法，并举例说明了其应用方法。
The integration by second substitution is an important method of calculating indefinite integral, it has a certain application, it usually applies to calculate some integrals of irrational function.
第二换元积分法是求函数不定积分的一种重要方法，具有一定的适用范围，对某些无理函数的积分的求解通常使用该方法。
Furthermore, an integral equation in transformed filed, which suited to calculate the instantaneous elastic wave scattering by a number of irregular scatterers embedded in an elastic body is derived.
在此基础上推导了适合瞬态弹性波对异质体散射求解的变换域位移场积分方程。
In this paper, integral equation method is used to calculate the 3d magnetic field caused by ferrite and current.
本文利用积分方程法计算铁磁体产生的三维场。
In this paper, integral equation method is used to calculate the 3d magnetic field caused by ferrite and current.
本文利用积分方程法计算铁磁体产生的三维场。
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