增强型并行口接口协议解决了PC与数据采集系统间的高速双向数据通信问题。
EPP is an answer to the problem of high speed, bi directional data communication between PC and data collection and conditioning system.
RFID系统利用射频信号通过空间耦合进行双向信息传输，实现对待识别物体的自动识别和数据采集。
RFID systems achieve auto-identification and data-gathering of the object to be identified by utilizing space coupling of radio frequency signal to conduct two-way transmission of signals.
介绍了EPP的数据采集硬件电路和EPP的电气特性，即能够双向传递数据且传输率接近IS A总线。
The EPP data acquisition hardware and EPP electric characteristics are introduced, that is, the data can be transferred to dual direction and the transmission rate is similar to that of ISA bus.
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