In the wireless video broadcasting system, layered transmission is an effective way to support heterogeneous receivers with varying bandwidth requirements.
在无线视频广播系统中，分层传输可以有效支持不同带宽要求的接收者。
The typical products are: server of intelligent broadcasting, intelligent digital controller, digital audio processing units, wireless communication parts, human inspection system.
典型产品有：智能广播服务器、智能数字控制器、数字音视频处理设备、无线通讯模块、人体检测系统等。
Methods an ARM embedded system was used to achieve data transmission by implementing serial communication with GPS module, Beidou receiver and wireless digital broadcasting station.
方法：采用ARM嵌入式系统，并与G PS模块、北斗接收机和数传电台进行串口通信，实现数据的传输。
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