高压钠灯电子镇流器的设计在线阅读高压钠灯电子镇流器的设计在线下载 关键词： 高频；声共振；变频脉冲信号产生器 [gap=1239]Keywords:high-frequency; acoustic resonance; frequency pulse signal generator
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A programmable pulse signal generator is used for controlling laser frequency, pulse width and power, when the laser pulse is controled by a computer, it can generate a series of laser pulses.
用可编程脉冲信号发生器控制激光脉冲的频率、脉宽和功率，使激光脉冲在微机控制下可组成各种激光脉冲序列。
On the aspect of hardware, they include: narrow pulse and high frequency ultrasonic sensor's design, high frequency signal generator and receiver's design, high speed data completed sampling's design.
因此本文还详细阐述以下内容：硬件方面采用了高频窄脉冲信号发生及接收放大电路、高速数据采集电路；
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