beam broadening

For improving the heterodyne efficiency in CO2 laser imaging radar system, a focus-off telescope is applied as beam broadening system to adjust the position of the local beam waist in local beam branch of the CO2 laser imaging radar optical system.

为提高CO2脉冲外差激光成像光学系统的外差探测效率，在出射光为基模高斯光束的本振光路的设计中。

Underwater forward scattering imaging model based on beam spatial broadening

基于光束空间展宽的水下前向散射成像模型

The search antenna system of the fire control radar increases the performances of fire-control radar through widening the beam broadening in elevation radiation pattern, and become to shadow antenna, and increases the high frequency amplifier.

“炮瞄雷达搜索天线系统”在原某型炮瞄雷达的基础上，通过展宽其垂直方向的波束宽度，使其成为赋型天线，并加装高放，来提高炮瞄雷达的性能。

Beam temperature and energy broadening of a high-current heavy-ion beam in an axially symmetric electric-field

强流重离子束在轴对称电场中的温度和能量展宽