标题：Design of the Automatic Detection System for the Number of People based on the Ultrasonic Ranging Array
作者：Yanming Luo;Mengyou Huo;Zhenjie Zhu;
作者机构：[Yanming Luo;Mengyou Huo;Zhenjie Zhu]School of Mechanical Engineering,Shandong University
来源：Proceedings of 2016 IEEE Advanced Information Management,Communicates,Electronic and Automation Control Conference(IMCEC 2016)
关键词：ultrasonic;ranging;array;detection;time division multiplexing;STM32
摘要：In order to accurately detect the number of people in construction hoists,stadiums,libraries,exhibition halls and so on,a kind of automatic detection system based on the ultrasonic ranging array was designed.A ranging array composed by multiple ultrasonic modules was set above the entrance of the pl...