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介绍了公路智能交通运输系统 (ITS)的组成 ,结合实例详细地分析了它的各部分的结构与功能 ,对其涉及的关键技术如 3S技术、网络通信、视频压缩与图象处理等作了阐述 .
The composition of ITS (Intelligent Transportation System) is introduced. The structure and function of each part of the system are analyzed in detail with examples. The key technologies involved in it are 3S technology, network communication, video compression and image processing Explain.