This paper presents some applications of discrete - time point process theory, time - varying Markov chain and Martingle difference in urban traffic computer-based control systems.

本文阐述了离散时间点过程理论，时变马尔科夫链及鞅差分序列在城市交通车队状态观测器中的应用。

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And it is not just people and computer traffic that is being watched -- trucks carrying hazardous waste are all monitored.

CNN: Singapore boosts security with tech

This gives the state a powerful tool for monitoring computer traffic.

ECONOMIST: The flies swarm in

When a GPS-equipped bus approaches an intersection, it can, as before, take over the intersection's traffic light, but the computer can also calculate its expected time of arrival and decide either to extend a green light or shorten a red light.

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