The focal spot, size depend on the pinhole diaphragm diameter of spatial filter.
光斑尺寸和空间滤波系统的针孔光阑直径有关。
By infrared thermal imaging techniques in this thesis, the focal spot size and focal length of this dielectric lens antenna are measured.
本论文应用红外热成像技术，对毫米波介质透镜天线的焦斑焦距进行了测量。
Simulation results show that the size of the focal spot increases with the number of color cycles and the basic pulse bandwidth in the dispersing direction.
模拟结果表明，焦斑尺寸随色循环数和光栅色散方向上基准脉冲带宽的增加而增大。
应用推荐