Yuebiao Li

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Short-term traffic flow prediction received considerations from different fields, because of its essentialness in traffic engineering and its theoretical difficulties. In this paper, we studied two important approaches of traffic flow prediction: detrending methods and multi-regime methods. First, we compared their differences in modeling philosophy and(More)
In this paper, an improved measurement method of ultrasonic is researched in the field of the dynamic three-dimensional positioning system, which improves greatly the accuracy and performance of measurement system. Special high-frequency timer chip and automatic gain control module are adopted into the system to further improve the accuracy of received(More)
Postharvest pericarp browning is one of the main problems resulting in reduced shelf life of longan fruit. Experiments were conducted to examine the changes in concentrations of adenosine triphosphate (ATP), adenosine diphosphate (ADP) and adenosine monophosphate (AMP), energy charge levels and activities of polyphenol oxidase (PPO) and peroxidase (POD) in(More)
The missing data problem exists in a lot of transportation systems while many traffic applications require accurate traffic data to work well. So, various methods were proposed for traffic data imputation in recent years. However, most of these approaches only consider the information of a single detector. In this paper, we use the temporal and spatial(More)
Litchi fruit has a very short shelf life after harvest, so marketers and consumers alike desire longer periods of storage, transportation and distribution. To extend shelf life, anoxia treatments were used for the fruit. Litchi fruit were exposed to pure N2 for 0, 3, 6, 12 or 24 h. They were then kept individually in closed but vented containers for 6 days(More)
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