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- By using the Fourier series expansion, approximate analytical propagation equations of laser beams through a paraxial optical ABCD system with different apertures are derived. 用傅立叶级数展开法研究光束通过有光阑限制的近轴ABCD光学系统的传输特性,导出了光阑透射率函数不同时的传输公式。
- By simplifying the items of Fourier series expansion and collocating with convergence of Gauss-Newton algorithm, accurate parameters can be solved faster and the error is lower than 5%. 还藉著简化傅立叶级数的项数并搭配上高斯牛顿演算法的收敛特性,让精确的参数可以被快速求解,其误差都是控制在5%25以下。
- Abstract: By using the Fourier series expansion, approximate analytical propagation equations of laser beams through a paraxial optical ABCD system with different apertures are derived. 摘 要: 用傅立叶级数展开法研究光束通过有光阑限制的近轴ABCD光学系统的传输特性,导出了光阑透射率函数不同时的传输公式。
- Study of Propagation Properties of Apertured Super-Gaussian Be am by Using the Fourier Series Expansion 用傅立叶级数展开法研究受光阑限制的超高斯光束的传输特性
- Study on beam propagation characteristics by means of the Fourier series expansion 用傅里叶级数展开法研究光束的传输特性
- Fourier series expansion 傅里叶级数展开
- A series solution for surface motion amplification due to underground group cavities for incident plane P waves is derived by Fourier Bessel series expansion method. 采用波函数展开法,给出了平面P波入射下半空间中洞室群对地面运动影响问题的一个级数解答。
- The Fourier series of an odd function contains no cosine terms. 奇函数的傅里叶三角级数只有正弦项;
- The finite summation of real Fourier series approximation of a time pusle. 时间脉冲的实部傅立叶级数接近的有限和。
- The Fourier transform is an integral expression for a Fourier series applied to an infinitely long signal. 傅里叶变换式是对博里叶级数的一种积分表达式。
- Energy Level analysisUsing the Taylor series expansion method, the energy Levels of Nd and Er chelates were analyzed. 利用泰勒展开法,对Nd和Er配合物能级进行了分析。
- If the floor were infinite in extent, the mathematical distribution of reflected light could be regarded in terms of a two-dimensional Fourier series. 如果地板的广度是无限的,那么可以用一个二维傅里叶级数来表示反射光的数学分布。
- Based on the Taylor series expansion,the formulas is obtained by the character of the Vandermonde determinant. 此公式是以泰勒展开式为基础利用范德蒙行列式性质而得到的。
- As an example of the technique, let's compute the Fourier series which corresponds to a square wave. 作为这种方法的一个例子,让我们计算一个方波的傅里叶级数。
- Analytic solutions of post-Newton metric component were got by series expansion in oblate ellipsoid coordinate system. 对由后牛顿效应产生的度规分量利用椭球坐标系及级数展开求得解析解。
- We will not go into detail about Fourier series, but will simply look at one example. 我们将不涉及付里叶级数的细节,而将只考察一个例子。
- Different score-spaces have their own physical meanings inspired by Taylor series expansion. 并从泰勒级数展开式的角度论述了各类品质向量的物理意义的不同,最后通过实验验证了扩展品质空间有利于分类性能的改善。
- Aapproximation of Fourier inverse integral using Fourier transform approximation for amplitude of harmonics in a finite Fourier series summation. 富氏级数中之谐波成份以富氏转换近似并以有限级数和近似富氏逆转换。
- The predictive model is acquired by truncating appropriately the Taylor series expansion for system state. 其预测模型通过对系统状态泰勒级数展开并做适当的截尾处理获得。
- This includes Fourier series, the Fourier transform, and Fourier analysis on (some) abelian groups. 第三部分研究有限阿贝尔群上的傅立叶分析。