查询词典 spherical bessel function

Also,the feasibility of demodulating frequency of low-frequency liquid surface wave from the spectrum was evaluated with Bessel functions.

结果表明，能够实时准确探测10Hz～40Hz的液体表面波参量，该方法为低频液体表面波的探测提供了新思路。

We find that bounded Bessel beam is a diffracting field and can also be partitioned into farfield and nearfield.

接着，我们以活塞声场为例研究了有限束声场中冲击波的形成过程及其特性。

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。

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

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。

Then the scattering waves are represented bythe series of Bessel functions expansions.

它是用一个半径足够大的大圆弧拟合半空间表面，再将所有的散射波展开成Fourier-Bessel级数的形式。

The results about the magnetic vector potential of current-carrying ring and the electric potential of uniform charged ring which are expressed by Bessel functions are further calculated and analyzed.

用Bessel函数积分对圆环电流磁矢势及均匀带电圆环电势作进一步的计算分析，引申出磁感应强度及电场强度新的级数表达式，分析讨论了所得结果。

"Second Life is remarkably easy to work with, and is very popular,"

"第二次生命是显着容易的工作，并且很受欢迎，"

For example, we usually assume that materials are homogeneous and isotropic and free of internal defects or flaws.

为了得到适合有限元分析的模型，我们必须经过如图2所示的简化步骤。