使用光开关，可以把这种功率的上升过程缩短到小于0.1 ps，在更短的时间内激光以峰值功率到达等离子体。
Using an optical switch, this ramp up time can be reduced to less than a tenth of a picosecond, delivering peak laser power to the plasma on a faster time scale.
采用了时间增益补偿技术和峰值时间检测技术，可正确检测超声波回波的到达时间。
Using the time-gain compensation and peak time detecting technique, the arrival time of ultrasonic echo can be correctly detected.
采用时间增益补偿技术，补偿超声波在空气中的衰减，减少回波信号的起伏；由有源全波整流电路和微分电路等组成峰值时间检测电路，可正确检测回波的峰值到达时间。
The peak time detecting circuit which is composed of full-wave rectification circuit and differential circuit can detect the reach time of echo signal accurately.
应用推荐