论文部分内容阅读
本文着重比较带锁相环的多路信号同步采集系统的三种设计方案 ,并在此基础上设计了一个基于单片机89C51和模数转换器 AD7874的具有自动频率跟踪的多路同步采集系统。
This article focuses on comparing three design schemes of multi-channel signal synchronous acquisition system with PLL, and designs a multi-channel synchronous acquisition system with automatic frequency tracking based on single chip 89C51 and analog-to-digital converter AD7874.