...关键词：交通信息采集系统; 时延; 频偏估计; Kalman滤波;时间序列 [gap=698]Key words：traffic information collection system;time delay;frequency offset estimation;Kalman filtering;time series ..
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This paper introduces the DM642 traffic information collection system from aspects of system core, memorizer, video interface, Ethernet interface, and audio interface, etc.
从系统核心、存储器、视频接口、以太网接口、音频接口等方面介绍了DM642交通信息采集系统。
A video traffic flow information collection system is developed based on this method, its detection arithmetic and image processing arithmetic are designed in software.
在此基础上，设计和实现了视频交通流信息采集系统，并用软件实现检测算法和图像处理算法。
The traffic information collection technology plays an important part in the intelligent transportation system.
交通信息采集技术在智能交通系统中的作用不言而喻。
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