查询词典 Bessel

Making convenience of computation, the calculation method of the spherical Bessel functions for complex arguments is presented.

为便于计算，给出了复宗量的球贝塞尔函数的计算方法。

It is convenient because Bessel functions in the formula are common special function.

而且公式中的贝塞耳函数为常用特殊函数，计算起来很方便。

It may be shownthat the intensity distribution in the diffraction pattern of a series of points equally spaced along a helix is given by the squares of Bessel functions.

这可能是显示的强度分布的衍射图样的一系列点同样距离的沿螺旋给予的平方贝塞尔函数。

By using eigenvalue method and Bessel functions, the closed solutions of 3D transient temperature field in each layer of the cylinder were deduced.

利用特征值法和Bessel函数，导出了各层柱体中三维瞬态温度场的封闭解析解。

The problem of overflow during the computation of Green's function can be successfully solved by subtracting the exponential term from the modified Bessel functions.

采用将变型Bessel函数的指数项单独列出的方式有效地解决了Green函数计算中的上溢问题。

Summation of the corresponding Bessel functions gives reinforcement for the inner

总结了相应的Bessel函数给出加固内

The problem of overflow during the computation of Green′s function has been successfully solved by subtracting the exponential term from the modified Bessel functions.

采用将变型Bessel函数的指数项单独列出的方式有效地解决了Green函数计算中的上溢问题。

Diffraction by helices It may be shownthat the intensity distribution in the diffraction pattern of a series of points equally spaced along a helix is given by the squares of Bessel functions.

衍射螺旋这可能是显示的强度分布的衍射图样的一系列点同样距离的沿螺旋给予的平方贝塞尔函数。

Finally, making use of integral equalities associated with Bessel functions, the explicit expressions for elastic displacement and stress fields induced by these defects can be obtained in terms of elementary functions.

最后，通过一些Bessel函数的积分恒等式，便可给出在这些准晶中由这些缺陷所诱导出的以初等函数的明显表达式表示的弹性位移场和应力场。

Then,introducing stretching transform and using the Bessel functions of 1/4 and-1/4 order,the interior layer solution is constructed.

然后引入伸展变量变换，并利用1/4和-1/4阶Bessel函数，构造在转向点附近的内层解。

A carrier gas such as nitrogen is directed through line 20 and valve 22 to connect with line 26 and mix with the gas sample.

如氮气之类的载体通过管线20和阀22引入，与管线26相通，与气体样品混合。

But for the most part, knaves and parasites had the command of his fortune

然而支配他的家产的大多是恶棍和寄生虫。