查询词典 modified bessel function

Study of property of aperture Bessel beam.

干涉理论对Bottle beam的描述。

The Bessel and X wave beams are several kinds of the nondiffracting beams.

性能良好的波束对超声成像的质量起着关键的作用。

Several active methods for generating approximate non-diffracting Bessel beams are introduced by using resonator theory to analyze and simulate.

介绍几种主动式产生近似无衍射光的方法，并用谐振腔理论进行分析和模拟。

The concept, propagation properties, production and applications of the Bessel beams are systematically reviewed and studied.

系统、全面地研究了贝塞尔光束的概念、传输性质、产生方。。。

Bessel surface generation process, This procedure not specifically studied computer graphics people can understand.

基于C的贝塞尔曲面生成程序，此程序对于没有专门学习过计算机图形学的人也能看懂。

Bessel curve of the drawing method -- is the kind of DrawBezier Graphics method.

通过他一个不了解贝塞尔曲线数学背景的人都很容易绘制。

From 1834 to 1844 some irregularities were noticed in the movement of Sirius by F.W. Bessel.

从1834年到1844年F.W。 Bessel注意到天狼星运动的一些不规则性。

Provides Butterworth, Chebyshev, Elliptic and Bessel Approximations to order 20, with a variety of circuit choices.

提供巴特沃思，切比雪夫，椭圆形和贝塞尔近似命令20日，与各种电路的选择。

In the past years people have made plenty of research both theoretically and experimentally and have found a number of practical approaches for generating high order Bessel beams.

人们从理论和实验两方面进行了大量的研究，并且提出了很多产生高阶贝塞尔光束的方法。

Bessel surface generation process, This procedure not specifically studied computer graphics people can understand.

详细说明：基于C的贝塞尔曲面生成程序，此程序对于没有专门学习过计算机图形学的人也能看懂。

Molecular Distillation is a kind of high vacuum distillation method, which is suitable for the separation of high boiling, heat sensitivity and viscidity products.

分子蒸馏技术是一种在高真空条件下进行的连续蒸馏过程，适合于分离高沸点、热敏性及具有生物活性的混合物。

They are to the Noughties what yuppies were to the Eighties .

那在六十年代是时髦的，但在八十年代肯定是过时了