Based on the Kirchhoff diffraction theory, a more accurate formula is derived.
对近轴近似条件下求解亥姆霍兹方程得到的高斯光束显式传播公式做了分析 ,同时 ,基于基尔霍夫衍射理论 ,在菲涅耳近似的条件下给出了相应的高斯光束在远场的传播公式 ,在此基础上 ,对近轴近似条件做出了定量分析 ,给出了这个近似条件引入的误差 ,提出了一种计算高斯光束远场分布的修正方法 ,并采用有限差分光束传播方法 (FD BPM)来检验各种方法的准确性。
Otherwise,if the waist width w 0 is comparable to or even less than the wavelength λ,t he Kirchhoff diffraction integral should be used.
使用基尔霍夫衍射积分公式和菲涅耳衍射积分公式对高斯光束通过方孔光阑的衍射进行了研究。
Firstly according to radiation theory the boundary function of planar diffraction body is given, based on this condition the Kirchhoff diffraction formula is deduced and obtained.
根据辐射理论重新设定了平面衍射物的边界函数,并以此条件推导了基尔霍夫衍射公式,并赋予新的含义。
Starting from the Kirchhoff diffraction integral,the classical formula of the OTF in the Fraunhofer approximation is a new derived in the exit pupil coordinates and in the entrance pupil coordinates.
本文从基尔霍夫衍射积分出发重新推导点象的振幅分布，并以出瞳坐标表示ＯＴＦ自相关积分，进而利用分片多项式插值解决变形成象ＯＴＦ的计算问题。
The discussion about the principle of Huygens-Fresnel and Kirchhoff s diffraction formula;
惠更斯-菲涅耳原理和基尔霍夫衍射公式的讨论
kirchhoff helmholtz flow
基尔霍夫 亥姆霍兹怜
Electromagnetic scattering on fractal sea surface using Kirchhoff approximation
分形海面电磁散射特性的基尔霍夫近似
Kirchhoff's law of electric network
电网络的基尔霍夫定律
Bunsen-Kirchoff law
本生－基尔霍夫定律
Kirchhoff-summation migration
基尔霍夫求和法偏移
The limitation of far region Fresnel-Kirchhoff formula in transient problem is dis-eussed.
本文讨论了应用频域远区近似夫累涅尔-基尔霍夫公式计算瞬态辐射场的局限性。
piola kirchhoff stress tensor
皮奥拉 基尔霍夫应力张量
Analysis of The Relation between Kirchoff s Law and Circuit Dimension;
剖析基尔霍夫定律与电路尺寸的关系
Discussion of solving the complicated circuit with kirchhoff s equation;
用基尔霍夫方程组解复杂电路的讨论
Existence of Solutions for a p(x)-Kirchhoff-type Equation
p(x)型基尔霍夫方程解的存在性
Simulation of Rectangle Fraunhofer Diffraction with Matlab
基于Matlab的矩孔夫琅和费衍射的仿真
Measurement of Edge Straightness Based on Fraunhofer Diffraction
基于夫琅禾费衍射的刀口直线度检测
Multiple scattering from two-dimensional rough surface with large surface root mean square (RMS) slope is studied with Kirchhoff approximation.
利用基尔霍夫近似研究了表面均方根料率较大的二维粗糙面的多次散射问题。
These constraints are summarized by Kirchhoff's laws.
这些强制的约束关系可总结为基尔霍夫定律。
Kirchhoff's Law in the Studies of Transport Hub
基尔霍夫定律在交通枢纽研究中的应用
On Simulated Calculation of Fraunhofer Diffraction from Rectangular Aperture Based on MATLAB
基于MATLAB的矩孔夫琅和费衍射场模拟计算
They will look to Oliver Bierhoff and Ulf Kirsten.
因此他们将希望寄托在比埃尔霍夫和基尔斯滕身上。