The main method of evaluation is Bessel formula.
重复性评定方法，主要是贝塞尔公式。
Finally the paper gives a design example of 5-orders Bessel filter.
还介绍了五阶贝塞尔滤波器的设计实例。
The calculation results are close to that of the Bessel function method.
该法计算简单，结果接近于其它方法。
This algorithm has improved efficiency of calculation obviously for dual Bessel integration.
故本算法对双重贝塞尔函数积分的计算效率有明显提高。
The sensor can obtain optimal performance when the absolute value of one order Bessel is max;
当一阶贝塞尔函数达到极值时，传感器性能最佳；
We reveal that ring soli-tons could reside on different rings in different order Bessel lattices.
环形孤子可以灵活耦合到不同阶的贝塞尔格子以及其的不同环中。
Numerical calculations show that after focused by the axicon, a vortex beam can convert into a high-order Bessel beam.
数值模拟结果表明，涡旋光束经过轴棱锥聚焦后可获得高阶贝塞尔光束。
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。
This paper deals with an investigation of intensity distribution of the partially coherent Bessel beams focused by an aperture lens.
研究了部分相干贝塞尔光束经过光阑透镜聚焦后的光强分布。
This thesis also introduces the principles of ADCP, three-dimensional electronic compass, GPS, and presents the Bessel anti-algorithm.
文章还介绍了ADCP、三维电子罗盘、GPS全球定位系统的定位原理，阐述了白塞尔大地反算法。
Nowadays, these light beams are divided into two kinds: one is hollow beam, such as Laguerre-Gaussian beam and high-order Bessel beam;
目前，具有轨道角动量的光束主要分为两大类：一、空心光束，例如拉盖尔高斯光束和高阶贝赛尔光束；
Numrtical computation of Bessel function with integer orders for complex argument depends seriously on the acquired sophisticated algorithm.
本文介绍了复宗量整数阶圆柱函数数值计算的递推算法。
Make use of the perfect characters of Bessel functions, this result may put a way to the final solution of the propagation of the shock waves.
借助于贝塞尔函数的良好性质，其研究结果可用于地震波传播问题的研究。
Tearing mode instabilities have been discussed for a reversed field pinch configuration of Bessel function model surrounded by a vacuum region.
本文讨论了外面具有真空区域的反场收缩位形的撕裂模不稳定性。
The losses Bessel-Gaussian beams, a kind of non-diffracting beam, propagating through a hard aperture are studied, and a general formula is derived.
对无衍射光束———贝塞尔高斯光束通过硬边光阑时的功率损耗作了研究，给出了普适的损耗公式。
The focusing properties of partially coherent and circularly polarized Bessel-Gaussian beams through a high numerical-aperture objective are studied.
研究了部分相干圆偏振贝塞耳-高斯光束经高数值孔径透镜的聚焦特性。
MathCAD combines a large library of functional capability including calculus, Laplace transforms, Bessel functions, statistics, and financial functions.
MathCAD组合了一个庞大的功能库，包括微积分、拉普拉斯变换、贝塞尔函数、统计和财务函数。
Compared with other methods, the Fourier-Bessel method is of the advantages of fast calculation, simple math format, easy understanding and application.
与其他方法相比，傅里叶-贝塞尔方法具有计算速度快，数学形式简练，易于理解和应用的优点。
This paper gives a theoretical and analytical solution of the dynamic response for long gas pipeline in the form of infinite series with Bessel functions.
本文以贝塞尔函数级数和的形式，给出了动态特性的理论解析解。
After a few weeks, I urge people recovering from loss to get back into a routine, "says psychiatrist and Boston University professor Bessel a ~ Vander Kolk."
精神病专家、波士顿大学教授巴塞尔·a·万德克说：“几周后，我鼓励人们从失落中恢复过来进入正常状态。”
Get out and Do After a few weeks, I urge people recovering from loss to get back into a routine, "says psychiatrist and Boston University professor Bessel A."
精神病专家、波士顿大学教授巴塞尔·a·万德科克说：“几周后，我鼓励人们从失落中恢复过来进入正常状态。”
Our calculations show that the Bessel-Gauss beam can be produced in the focused plane of the ring apertured Gaussian beam, this method is efficient and simple.
本文通过计算指出环状分布的光束经透镜后可在焦平面产生适用于激光打孔的贝塞尔·高斯光束，这是一种高效、简单实用的方法。
In this paper, H-transformation is formulated according to the theory of Bessel series. The complete series expressing a function and its derivative are derived.
根据贝塞尔级数理论，建立H变换，导出函数及其导数的贝塞尔级数的完整表达式。
Based on our work, the physical meaning of diffraction-free beams, the propagation and transformation as well as focusing properties of Bessel beams are analyzed.
基于我们的工作，本文分析了无衍射光束的物理意义，贝塞耳光束的传输变换和聚焦特性。
Because of its good time-delaying Character, Bessel filters are widely used when selectivity is not so important, and time-delaying performance is highly demanded.
贝塞尔型滤波器具有优良的时延性，因而常用于选择性要求低而时延性要求高的场合。
Diffracton integral equations and Bessel Functions are used to get perfect solution of Fraunhofer ring aperture diffraction, and the diffraction pattern is analysed.
从衍射积分公式出发，利用贝塞尔函数，求得夫琅禾费环孔衍射积分的精确解，并对衍射图样进行了分析。
Diffracton integral equations and Bessel Functions are used to get perfect solution of Fraunhofer ring aperture diffraction, and the diffraction pattern is analysed.
从衍射积分公式出发，利用贝塞尔函数，求得夫琅禾费环孔衍射积分的精确解，并对衍射图样进行了分析。
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