查询词典 infinite integral

Infinite integral is a type of improper integral in calculi, and it is also a difficult point in integral.

无穷限积分是微积分学中广义积分的一种类型，是积分知识的一个难点内容。

Infinite integral is a type of improper integral in calculi,and it is also a difficult point in integral.

无穷限积分是指函数在无限区间上的积分，例如+∫∞afdx型，它属于广义积分的一种。

New methods for discriminating convergence of nonnegative function s infinite integral are given.

本文建立了非负函数无穷积分敛散性的几个新判别法，讨论了这些判别法所对应的比较对象，说明了它们的精细程度

This article introduces some new methods, which utilize the own specialties and integral characters in Laplace transform to solve some special types of infinite integral. For example,,.

本文介绍的求值方法是利用Laplacc变换本身的特点及其具有的积分性质，来求一些特殊类型的无穷限积分的值，例如，，型。

The Gibbs phenomenon should be considered in interpreting the numerical curve of the transient solution with infinite integral derived by the method of separation of variables.

计算结果表明，在求解由分离变量法所得的无穷积分解析解的数值曲线时，吉布斯现象的存在具有普遍意义。

This article introduces some new methods,which utilize the own specialties and integral characters in Laplace transform to solve some special types of infinite integral.

这种把判断广义积分的敛散性与求积分的值一起解决的做法存在

The primary method in calculi can only solve a thimbleful type of evaluations of infinite integral.

在高等数学的学习中，求解无穷限积分的基本方法是根据广义积分的定义，先求定积分，再取极限，即+∫∞afdx=limb→+∞∫bafdx。

This article compared the integrand of infinite integral and unbounded function integral by comparing the infinitesimal with the infinity, obtained the corresponding equivalence theorem of criterion of convergence of abnormal integral, and gave out the proof.

将无穷积分及无界函数积分的被积函数运用无穷小和无穷大比较的方法进行比较，得到了相应的反常积分敛散性极限审敛法的等价定理，并给予证明，从而可运用等价定理灵活的判断反常积分的敛散性。

The computing plots of the solutions from the two methods were inconsistent under the specified boundary-initial conditions, which stirred up the debate of the effectiveness of Maxwell's equations in lossy medium. It is found that the differences between the two numerical curves can be viewed as the Gibbs phenomenon caused by cutting off the high frequency components in computing the infinite integral of the numerical curve of Harmuth's solution.

通过比较两种解析解的数值曲线得出：两者的差异在于求解Harmuth解的数值曲线时，采取无穷积分的高频截断近似产生了吉布斯现象；在计算Harmuth解的数值曲线时不断增大积分上限，其数值曲线的振荡不断向不连续点处收缩，而且衰减加快，因此在求解Harmuth解的数值曲线时，若积分区间取为理想无限大，则可以预见相同计算精度下两种方法的电场解的数值曲线是一致的。

A spectral-domain full-wave model for the coaxial probe is established and the Galerkin's moment method is used to solve the integral equation, with efforts on numerical treatments of the singular infinite integral.

微波电磁参数测量技术作为微波传感的重要分支，在国防、工业、农业、材料科学、生物医学、微波遥感、隐身技术等电磁场和微波工程技术的实践中发挥着重要作用。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。