With the rapid development of city economic and citifying course. the tendency of the increasing quantity of motor vehicle will lead to traffic flow uprising, traffic congest, and traffic jam.
随着城市经济的快速增长和城市化进程的加快,城市机动车数量呈快速增长的势头必然会造成道路交通流量猛增,交通拥挤和堵塞。
This thesis illustrates examples of the methods on structure analysis of traffic flow data based on Vehicle License Plate Recognization with OLAP technology and its application prospect.
文章结合实例,阐述了运用OLAP技术对基于车牌识别的交通流数据进行结构分析的方法及应用展望。
After analysis of probability distribution law of traffic flow, this paper puts forward the Section Vehicle Dispatch Model that ADAPTS to microscopic traffic simulation based on Poisson distribution.
论文在分析了交通流概率分布规律的基础上,提出一种适用于微观交通仿真的基于泊松分布的断面发车模型。
Vehicle detection method based video and traffic flow detection system based fictitious loop are studied in details.
本文详细地研究了车辆目标的视频检测方法和基于虚拟线圈的交通流量检测系统。
The vehicle detector in intelligent traffic system is studied and developed by using radar principle to finish the real time collection of traffic flow parameters such as vehicle velocity, flow rate.
研究智能运输系统中的雷达车辆检测器,利用雷达原理完成对速度、流量等交通流的实时检测和统计。
It has completed the design of the video traffic flow detection and vehicle recognition system, and realized part of its functions.
完成了视频交通流检测和车辆识别系统的设计和部分功能。
The traffic flow conflict at an unsignalised crossing is not only between motor vehicle flows, but also between traffic flow and pedestrian flow.
无信号十字交叉口的交通流冲突,不仅体现在机动车与机动车之间,行人和机动车之间的冲突也很明显。
By using the basic method of noise measurement, traffic noise values were measured, and different types of vehicle flow data were gained in a certain section of the Southwest Road in Dalian.
运用噪声测量基本方法,测量了大连市西南路某路段交通噪声值并统计出不同类型的机动车流量数据。
Last algorithms are designed for flow flux statistic, unit time traffic load, vehicle speed and roadway occupancy rate. Traffic flow parameter detection is implemented.
并且设计了车辆计数、速度测量、车道分钟交通量和车道时间占有率的算法,实现了交通流参数的检测。
Analysis indicates that the mainly reason of the discrepancy is the underestimation of the proportion of large vehicle and the scale of traffic flow at night.
分析了产生这种偏差的原因,指出主要是由于预测时,夜间车流量与大型车所占比例被低估所造成。
Reasonable type of road cross section could ensure the smooth vehicle flow, at the same time, it could reduce the pollution of traffic to environment through reasonable greening arrangement.
合理的道路横断面型式一方面可以保证车流的畅通,另一方面也可以通过合理的绿化布置减少交通对环境的污染。
This paper presents a video-based urban traffic flow detection system and a novel vehicle recognition algorithm.
介绍了一种城市交通流量视频检测系统及其车辆识别新算法。
Traffic incident cuts off the traffic flow into discontinuous flow, giving rise to congestion and vehicle delay.
交通事件使得事发路段的原有交通流变为间断交通流,行驶车辆在事发点上游形成排队等待现象。
In the video detection system of urban traffic flow, it is a hard work to detect vehicle at night.
在城市交通流量视频检测系统中,夜间车辆检测一直是个难题。
Based on the BJH model of traffic flow, a modified BJH model by considering the effects of the braking state of vehicle ahead on traffic flow is proposed.
在交通流bJH模型基础上,考虑前车刹车状态对车流行为的影响,提出改进后的交通流b JH模型。
The vehicle detection is based on the roadway, which sets two virtual lines, like the inductive loop sensor, to detect their traffic flow parameters.
车辆的检测基于车道,在每个车道设置两条虚拟检测线来检测交通流参数,虚拟检测线的作用类似于电磁感应线圈。
It's an urgent issue to study that evaluates the existing bridge's safety because of the increasing traffic flow and vehicle load.
对于服役桥梁结构而言,受到各种环境荷载及不断增长的车辆荷载与交通流的作用使得结构安全性评估成为当前亟待研究的课题。
The key problems of vehicle navigation dynamic path planning are traffic network model, path planning algorithm and traffic flow prediction.
交通网络模型、路径规划算法以及交通流预测是车辆导航动态路径规划需要解决的重点问题。
The system has good adaptive ability: its control is still effective when the traffic flow and the basic vehicle exhaust changes and when some special traffic flows emerge.
该系统具有较好的适应性,对交通流和车辆基准排放量的变化、特殊交通流等情况的出现均能实现有效控制。
The technology allows safe scanning of the entire vehicle, permitting the driver to remain in the cab and speeding up screening to facilitate traffic flow.
这项技术能安全扫描整个车身,还允许司机留在驾驶室内并加速扫描速度以促进交通流量。灵活设计使其容易集成现有的高能检测系统从而生成最大检测能力。
This paper makes approaches to Shanghai—Jiading Light railway traffic model and vehicle type selection, fundamental flow prediction of passengers, prediction technology and procedure etc.
围绕沪嘉轻轨交通的交通模式选择条件、车辆制式的选择以及客流预测基本方法的构思、预测技术方法与流程等进行了探讨。
Vehicle classification is an important criterion for highway automatic toll collection and traffic flow statistic. And it's an important part of ITS as well.
车型分类是高速公路自动收费和交通流量统计的重要依据,它是智能交通(its)的一个重要组成部分。
Monte Carlo Stochastic Modeling Method is adopted to design vehicle turning behavior module, and a simulation model integrating link traffic flow and od matrix estimation is established.
采用蒙特卡罗法设计车辆转弯行为仿真模型,并提出了局域路网交通量与OD矩阵估计的集成仿真方法。
Through field monitoring, the variation laws of road traffic flow, vehicle speed and vehicle type are analyzed, as well as the relationship between road noise and traffic condition.
通过实地监测,分析了某干道车流量、车速、车型的变化规律及其与道路噪声的相互关系,并对选择的交通噪声预测模型进行了精度检验。
The processing of traffic flow data provides reliable data for the service evaluation of road network, optimum path calculation and vehicle navigation.
交通流数据处理为路网服务水平的评价、最佳路径计算等提供可靠的数据。
It includes urban road traffic net structure model, traffic flow generation model, vehicle run behavior model, and urban road traffic net analysis model.
该体系结构由城市道路交通网络结构模型、交通生成模型、车辆行驶行为模型、城市道路交通网络分析模型四类模型组成。
Traffic capacity of basic road section of rapid commodity transport passage was discussed from aspects of vehicle flow feature and calculation of traffic capacity.
从车流特征和通行能力计算方面探讨了快速货运通道基本路段的通行能力。
The main function of the pavement is to carter the need of walk traffic while not to affect vehicle flow on the roads.
人行道的主要功能是满足步行交通的需要并且不影响路面车流的行驶。
Video vehicle detection system is a computer processing system which uses image processing technology to detect the traffic flow.
视频车辆检测系统是一种利用图像处理和模式识别技术实现对交通目标检测和识别的计算机处理系统。
The ramp capacity under different traffic flow of the main ling is presented, and the merging probability model of the vehicle on the ramp under different flow volume of the main line.
本文给出了不同主路服务交通量下的匝道通行能力,建立了在主路不同交通负荷下的匝道车辆可直接汇入的概率计算模型。
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