因此使用远场近似将不涉及到总精度的任何损失。
Thus the use of the far-field approximations involves no loss at…
提出了一种基于远场近似法建立的大气风场测量散射模型。
A backscatter model was developed for measuring wind field with far-field approximation method.
本文给出了有限基本解法中不可压源的远场近似，所得结果可直接用于计算。
The paper gives the, far-field approximations of incompressible sources used in finite elementary solutions. The results obtained can be directly applied to computation.
通过对近场空间协方差矩阵进行修正，用重构在相同方位上的远场近似空间协方差矩阵确定声源方位角。
By using the reconstructed far-field approximation space covariance matrix at the same bearings from the revised near-field space covariance matrix, the bearings of multiple sources can be obtained.
利用菲涅耳基尔霍夫衍射积分和非线性近轴波动方程，在远场近似及光学薄近似条件下，得出了位相调制产生“热像”出现的位置及强度满足的解析关系。
According to the Fresnel-Kirchhoff diffraction integral and nonlinear paraxial wave equation, we derive the functional relationship of the intensity of hot image and its location.
在柱坐标下从微分波动方程出发，推导柱面光波的场分布，并利用远场近似条件导出当线光源与光轴成任意角度时，在垂直光轴方向的参考面上的复振幅表示。
The expression of complex amplitude is given in reference plane vertical to the optical axis by far-field approximation when the line source and the principal axis are at any Angle.
在柱坐标下从微分波动方程出发，推导柱面光波的场分布，并利用远场近似条件导出当线光源与光轴成任意角度时，在垂直光轴方向的参考面上的复振幅表示。
Starting from the wave differential equation, a method is deduced to express the complex amplitude of light wave fields in the reference plane which is vertical to the optical axis.
针对运用矩量法计算电大尺寸天线时遇到的严重困难，提出一种基于矩量法的计算天线远场的远区近似(MOM- FZ)方法。
Aimed at the difficulty in calculating an electrically large size antenna by using MOM, a far zone approximate method based on MOM (MOM-FZ) was presented for calculating radar antenna pattern.
远场边界条件由无穷远处的条件近似代替。
The boundary condition at farfield is approximated by that at infinite.
光束模式展开法可用于近似计算远场的弱截断光束。
The beam expansion method is suited to approximate the weakly truncated beams in the far field.
光束模式展开法可用于近似计算远场的弱截断光束。
The beam expansion method is suited to approximate the weakly truncated beams in the far field.
应用推荐