The test indicates that compared with single-meter based traffic flow measurement system, the system reduces the packet loss ratio obviously and enhances the measurement veracity.
测试表明，与基于单采集器的被动网络流量测量系统相比，该系统明显减少了采集器端的丢包率，提高了系统测量的准确性。
The system mainly consists of a single board microcomputer, a X-Y graphic meter and a teaching box.
实验台主要由单板机、X—Y笔式记录仪和示教盒组成。
The thesis introduces a kind of single-pulse-refection ultrasonic distance meter system module in detail based on Microcontroller.
本文介绍了一种基于单片机的脉冲反射式超声波测距模块。
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