Kirchhoff formula
英
美 [ˈkɜrkhɔf ˈfɔːrmjələ]
网络 基尔霍夫公式; 基希霍夫公式
双语例句
- Application of Kirchhoff Formula in Prediction of Noise Level of Capacitor Installation
Kirchhoff公式在电容器装置噪声水平预估中的应用 - Kirchhoff's faltung formula of complex aperture and complex ray simulation of aperture radiation
复口径Kirchhoff褶积公式和孔径辐射的复射线束仿真 - Then based on Kirchhoff approximation theory, the formula of the coherent and incoherent scattering intensity of plane wave from two dimensional dielectric normally distributed rough surface are derived, and the scattering intensity of a planar, rough surface of unit area.
然后从粗糙面散射Kirchhoff标量近似理论出发,得到了平面波对高斯分布的二维随机粗糙面的相干散射和非相干散射强度表达式,并给出了单位面积粗糙面非相干散射的表达式。 - In this paper the problems involved in performing wave equation migration after stack by using Kirchhoff integral method are pointed out, and the solution of Kirchhoff integral formula for reflection from the plane interface is obtained.
本文指出了目前采用Kirchhoff积分法进行波动方程迭偏所存在的问题,直接求出平界面反射波的Kirchhoff积分公式的解。 - The zoning rules for two dimensional ring of Frensel zone plate is studied by means of Kirchhoff diffraction formula.
从基尔霍夫绕射公式出发进一步研究菲涅耳区板的二维圆环的分区规则。 - Derivation of Kirchhoff Formula
Kirchhoff公式的一种推导 - Starting from our previous solution of the 3-D unsteady Euler equation of hovering rotor flow, we discuss in subsection 1.2 how to compute far field noise by Kirchhoff formula.
采用Euler/Kirchhoff方法,计算了直升机旋翼悬停流场的远场噪声。 - Numerical examples show that the results obtained by means of the formula given in this paper are in good agreement with the direct numerical integration of the Kirchhoff integral formula. In the near field there are noticeable discrepancies between our formula and the Rayleigh diffraction integral.
数值计算比较表明,使用文中所给公式与直接用基尔霍夫衍射积分公式作数值计算的结果完全一致,而在近场使用瑞利衍射积分与文中结果有较大差异。 - When the surface is not positioned in the linear region, Kirchhoff approach for rotating integration surface could lead to substantial error, but K-FWH formula can still work well.
当声源面位于流动非线性时,Kirchhoff公式会导致很大的计算误差,而K-FWH公式不存在这样的问题。 - 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. The physical meanings are given as well.
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。