According to acquisition and tracking strategy and laser detection theory, an expression of the best Angle of beam divergence under direct detection is provided.
根据捕获跟踪策略和激光检测理论，给出了直接探测情况下最佳光束发散角的表示式。
The operating distance of a laser radar system is determined on pulse energy, pulse width, beam divergence angular, atmosphere attenuation, target reflection, receiver sensitivity and so on.
激光雷达系统的作用距离由下列因素决定：脉冲能量、脉冲宽度、光束发散角、大气衰减、目标反射率和接收机灵敏度等。
The problem how to select optimum of signal-to-noise ratio and laser beam divergence for laser range-finder is studied.
研讨激光测距仪的信噪比和激光发散角如何选取最佳值的问题。
应用推荐