Wider pulse width, lowpulsefrequency and medium peak power should be used when pulse laser welds magnesium Alloy.
脉冲激光焊接镁合金时应遵循较大脉宽、低频率、中等峰值功率的原则。
2
The detection probability calculating method about lowpulse repetition frequency(LPRF) PD radar against air vehicle is studied.
提出了低脉冲重复频率（LPRF）PD雷达探测飞行器目标的发现概率计算方法。
3
This dissertation studies the ground clutter suppression of ABSR. Because lowpulse repetition frequency (LPRF) and low side-lobe antennaare adopted, we focus on main-lobe clutter suppression.