finite aperture

基本解释

In this paper, the finite-difference time-domain(FDTD)algorithm is employed to simulate microwave pulse coupling into the rectangular cavity with aperture arrays.
利用时域有限差分（FDTD）方法对微波脉冲与孔阵矩形腔体的耦合过程进行了数值模拟研究。
The results show that the finite outer-scale of the turbulent atmosphere is an important factor for a large aperture system of imaging, which should be considered for quantitative estimates.
结果表明在采用大孔径成像系统成像时，应该考虑湍流尺度对大气系统成像的作用。
The finite difference time domain (FDTD) method was used to simulate the electromagnetic pulse (EMP) induced current in circuits inside a shielding box by a wire penetrated with an aperture.
应用时域有限差分（FDTD）法对电磁脉冲作用下，导线贯通屏蔽箱体内电路上的耦合干扰电流进行了建模和仿真。