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瞬变电磁发射机时序控制电路的设计

更新时间:2020-05-26 06:17:55 大小:671K 上传用户:IC老兵查看TA发布的资源 标签:瞬变电磁发射机时序控制电路 下载积分:5分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

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结合单片机可操作性强、PC机处理数据能力强和CPLD产生波形精确等特点,设计了瞬变电磁发射机。在输出精确双极性方波的基础上,创新地实现了输出波形的频率及占空比可调的功能。采用VB语言设计信号发射界面,输入控制指令,完成PC机、单片机和CPLD之间的通信;最终由CPLD产生精确的方波信号,经驱动后,在线圈中形成双极性方波,作发射信号使用。实验证明,该系统功能完善,可靠性高,达到了设计要求。

Based on the strong operability of single-chip microcomputer,data processing ability of PC and the accuracy of the CPLD which produces waveform,a transient electromagnetic transmitter is designed.On the basis of the accurate output of bipolar square wave,the system innovatively realizes the adjustability of the frequency of the output waveform.A signal emission interface is designed,employed with VB to input control instruction.Programs are designed to complete the communication among PC,microcontroller and CPLD.Eventually the parameters are sent to CPLD to produce square wave signals.After being driven,the dual polarity square wave,used as the emission signals,comes into being.Experiments prove that the system is fully functional,highly reliab...

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