基于传感器网络的智能交通系统架构及关键技术

针对传感器网络应用于智能交通系统的关键技术，深入研究准确测量车长和车速的磁敏车辆检测算法、基于节点比特能量消耗和工作模式切换优化的低功耗设计方法、具有可靠性保障的网络拓扑和网络协议设计以及简单有效的时间同步方法，并提出智能交通传感器网络系统架构和关键技术。通过工程实际应用．测试验证了关键技术的有效性和系统架构的可行性。

Sensor- Network- Based Intelligent Traffic System Framework and Key Techniques

Aiming at the key techniques for application of sensor network in intelligent traffic system, this paper deeply studies magnetic-sensitive vehicle detection method for accurate measurement of length and speed of vehicles, low power consumption design method for node based bit energy consumption and switchover optimism of operating modes, design of network topology and network protocol with guarantee for reliability as well as simple and effective time synchronism method, and proposes intelligent traffic sensor network system framework and key techniques. With practical applications in projects, the paper tests and validates the effectiveness of key techniques and the feasibility of system framework.