查询词典 Fresnel integral

In this dissertation, the transformation of domain integral to boundary integral which rises in the transient problems was studied theoretically, and the idea of local triangulization was introduced for the first time to deal with the corner problem.

对于瞬态问题的处理方面，本文在理论上研究了区域积分——边界积分的转换过程，并首次引入局部三角化的概念处理了尖角问题，实现了不连续量的精确计算。

If the solution in the wave number-frequency domain is inversely integral transformed, the integral solution in symmetry axial coordinate is obtained.

对波数频域中的解答进行积分反变换，即求得原轴对称坐标下的积分形式解。

By Fourier transform, the authors propose a new method to calculate non integer order differential and integral on the basis of the integer order differential and integral in frequency space domain in this paper.

该文以傅氏域中整数阶微积分计算方法为基础，将该方法推广到傅氏域中非整数阶微积分的计算。经过模型计算、精度分析及地震信号处理中的若干运用，表明了该方法的有效性及可靠性。

This paper gives the time domain integral constraints of the feedback control systems tracking error that arise from the presence of stable zeros on or near the jω-axis, which shows that for a linear time invariant system, in order to guarantee the stability of the closed-loop system, the time domain integral constraints must be satisfied by the tracking error.

本文给出了反馈控制系统接近虚轴或虚轴上的稳定零点对跟踪误差的时间域积分约束。这一时间域积分约束是任何一个线性时不变系统为保证其闭环系统的稳定性，其跟踪误差必须满足的。

The direct problem was solved by DRBEM, which eliminated the drawback of domain integral for classical boundary element method and resulted in pure boundary integral calculation.

正问题采用双倒易边界元法求解，该法避免了传统边界元法需进行区域积分的缺点，仅需纯边界积分计算。

In this paper, an integral formula for elliptical flexure hinge is deduced by introducing centrifugal angle as the integral variable.

以椭圆的离心角为积分变量，得到椭圆柔性铰链的转角计算的积分公式，推导出椭圆柔性铰链的刚度表达式。

The integral range and the integrand structure are the two key points of the function integral.

积分区域和被积函数结构是函数积分的两个关键点。

The use of spherical coordinates triple integral calculation IV Application Multiple Integral Weight points at geometry, physics applications.

利用球面坐标计算三重积分第四单元重积分的应用重积分在几何、物理中应用。

The chord-integral inequalities are the development and summary of isoperimetric inequalities and the important contents of integral geometry and related disciplines.

弦幂积分不等式是等周不等式的发展和概括，是积分几何和相关学科研究的重要领域。

This theory system will pour into the new vigor to the integral geometry and the geometry probability, provides the new theory basis for the integral geometry and the geometry probability.

这一套崭新的理论系统将对积分几何和几何概率注入新的活力，为积分几何及几何概率提供新的理论依据。

Methods Clinical data of 3 cases of bile duct injury during laparoscopic cholecystectomy were analyzed retrospectively.

回顾总结3例LC术中胆管损伤的临床资料，分析3例胆管损伤的原因及对策。

These techniques are applied to the gobang.

本文将这些技术用于五子棋中。