圆柱体本身含有一个微型数码摄像头，一个无线电发射器，一个感应动力的发电装置，以及一个方位驱动器。
The cylinder itself contains a small digital camera, a radio transmitter, an induction-powered charging device to provide electricity and an "orientation actuator".
常见的RTLS实现使用电池驱动的标签和一个内置的无线电发射器以及一个位置传感器阵列。后者被部署到所监视领域的各个位置。
A common RTLS implementation USES battery-powered tags with an onboard radio transmitter, along with a matrix of location sensors that are deployed throughout the area being monitored.
这个系统使用起来十分简单：把一个能够发射无线电的信号灯放在家里，把信息发射器绕在你的脚踝上。
The system works simply: you keep a radio beacon in your home and a transmitter around your ankle.
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