建立了适应its的交通流参数之间的关系。
Relationships among traffic flow parameters suitable for ITS are obtained.
在上述算法的基础上，实现了对交通流参数的准确提取。
On the above algorithm's foundation, the traffic flow parameters extraction was realized.
引入超车换道流量解动力学模型，建立了混合交通流参数之间的关系；
The relationships between the traffic parameters in the mixed traffic flow are obtained by introducing the overtaking flow into the model.
通过对交通流参数的微分分析，建立了交通流的运动微分方程和欧拉方程。
Traffic momentum differential equation and Euler's equation are constructed by means of differential calculus.
同时提出了一种简单而有效的阴影消除算法以提高交通流参数检测的准确度。
A simple and effective method of shadow removal is put forward to increase the accuracy of traffic flow parameters detection.
现有研究成果中，主要以路网可靠性、路网交通流参数均值等方式来评价路网的交通状态。
Existing research results, mainly to network reliability, average network traffic flow parameters such means to evaluate the road network traffic conditions.
根据三种经典的基于密度的交通流参数模型，分别推导了三种占有率速度模型和占有率流量模型。
In accordance with three classical traffic flow parameter models based on density, three kinds of occupancy-speed models and occupancy-flow models are deduced in this paper.
基于超声的交通流参数获取原型系统已经在PC机上实现，并在现场实验中取得了比较理想的结果。
The traffic parameters acquirement prototype system has already implemented on PC, and achieves ideal result in experiment.
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。
Last algorithms are designed for flow flux statistic, unit time traffic load, vehicle speed and roadway occupancy rate. Traffic flow parameter detection is implemented.
ITS是一个很大的领域，包含了很多子系统，本文主要对位于ITS底层的交通流参数获取领域进行了研究。
ITS has a wide extension, and includes a lot of subsystems. This paper is focused on the field of the traffic parameters acquirement which lies on the bottom of the ITS.
结合入口匝道的特点，给出了入口匝道连接处交通流参数之间关系的理论模型以及入口匝道的通行能力计算模型。
Given are theoretical model for the relationship among traffic flow parameters of the junction at on-ramps and calculation model for the capacity of on-ramps, based on the characteristics of on-ramps.
结合匝道的特点，给出了出入口匝道连接处交通流参数之间关系的理论模型以及出入口匝道的通行能力计算模型。
Considering ramp characteristics, this paper educed the relationships between traffic parameters and model of capacity calculation for ramp of expressway.
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。
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。
The vehicle detection is per-formed along lanes, on which two virtual lines are drawn to help detect traffic flow parameters like inductive loop sensors.
采用VISSIM交通仿真软件，对城市隧道内的物理环境进行仿真，可设计出一种基于交通流参数的交通事故自动检测方法。
An automatic accident detection method based on traffic flow parameters will be accessed, through simulating the physical environment of urban tunnel with traffic simulation software VISSIM.
对于计算机高速网络中能控交通流的调节，PI控制器的参数优化直接影响控制系统的性能。
For the flow regulation of the controllable traffic in high-speed computer networks, optimization of control parameters directly influence on a PI controller.
并利用一段高速公路的交通流数据对BP神经网络进行训练，得到网络参数。
Then, the BP neural network is trained by using traffic flow data from a section of freeway and the network model parameters can be obtained.
在此背景下，本文提出了基于物理属性的城市快速路交通流特征参数模型。
In this context, the research in this dissertation strives to develop traffic flow characteristic parameter models of urban expressways based on physical properties.
交通流变点就是交通流模型中的某些参数起突然变化之点。
The change-points of traffic flows are the points of certain parameters in the model of traffic flows that change suddenly.
讨论模型参数和仿真试验参数对该理论交通流运动的影响，给出相应的仿真研究结果；
The influence of the model parameters and the simulation parameters on the movement of the traffic flow is discussed and the relevant simulation results are given.
宏观角度的分析得出了该模型与宏观交通流模型基本规律的一致性，并得到了模型参数和交通参数之间的关系。
The results suggest that the HPN model accord with the fundamental laws of traffic flow model. And the relation between the variables of HPN model and traffic system is obtained.
车流密度、行车速度和交通流量是反映交通流特征的三个基本参数，三者关系的确定和模型的建立是交通工程理论研究的基础。
The models of traffic density under the conditions of different levels of service are established according to the basic relationship among the velocity, volume and density.
车流密度、行车速度和交通流量是反映交通流特征的三个基本参数，三者关系的确定和模型的建立是交通工程理论研究的基础。
The models of traffic density under the conditions of different levels of service are established according to the basic relationship among the velocity, volume and density.
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