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ding kuan mai chong zhen bie dian lu
Author(s): 
Pages: 38-40
Year: Issue:  2
Journal: Ocean Technology

Abstract: <正> 在通讯、遥感、遥测和遥控等方面,常用到定宽脉冲甄别电路,即只有当某一宽度的脉冲(实际上是宽度在某一数值附近的脉冲)输入该电路时,电路才输出一个脉冲,否则就没有脉冲输出。通常的定宽脉冲甄别电路,是以被甄别信号的前沿触发一个甄宽单稳,用其输出的后沿跟被甄别信号的后沿发生"与"的关系,这种电路抗干扰能力差,例如时间间隔和甄别宽度
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