divergence angle

常见例句

The divergence angle of light beam was measured with the method of CCD imaging and computed by second moment method.
通过CCD成像方法对准直后的光束发散角进行了测量，利用二阶矩算法计算出光束发散角。
It is well known that the paraxial approximation is no longer valid for the beams with large divergence angle or small spot size comparable with the wavelength.
当光束具有较大的发散角或光束束腰可与波长相比拟时，傍轴近似不再成立。
Theory analysis and computer simulation show that the precision and focus of star tracker, the divergence angle of down beam influence the probability of laser link setting up.
理论分析和计算机仿真都表明，星敏感器的测量精度和焦距，下行信号光的束散角将影响激光链路成功建立概率。