交通

Then, this paper brings forward a function of city transportation efficiency on the base of mode configuration by researching the final goal of optimizing traffic structure. It also take some restrict conditions into account in the course of optimizing traffic structure, for instance, occupying land area, environment, energy source, attainability etc. Sequentially, this paper sets up a lineal planning model of optimizing traffic structure of big city passenger transport. It takes ZhengZhou for an example to explain how to resolve the model.

接着，文中通过研究交通结构优化追求的最终目标，提出了基于方式结构的城市交通运输效率函数，并以其为目标函数，结合城市居民的出行需求、交通环境容量、道路资源、交通可达性、交通能耗、各交通方式的发展规模等约束条件，建立了大城市客运交通结构优化的线性数学规划模型，以郑州市2010年的交通结构优化为实例，说明了模型参数的标定和求解方法。

This thesis try to use the risk decision, Bayes formula and game theory to analyze the utility of the traffic information, and put forward the corresponding static and dynamic model.

本论文在总结国内外交通信息效用研究理论与方法的基础上，系统地对不考虑交通信息有效性反馈和考虑交通信息有效性反馈两种条件下交通信息的作用机理进行研究，尝试采用风险决策、贝叶斯推理、博弈论等理论和方法建立了相应的模型，并对影响交通信息效用的交通信息质量、交通系统稳定性、出行者的出行经验等因素进行了分析，提出了增加交通信息有效性的方法。

At present, China is at the beginning period of transportationalization with the development model of supply-oriented. While our country is making enormous achievement in transport construction, a lot of problems have arisen such as traffic jam, environment pollution, traffic accidents, unbalanced traffic development, caused by the incongruousness among the key elements, such as people, car, road, and environment, etc.

我国目前处于运输化初期，采取的是供给导向型发展模式，在交通建设取得巨大成就的同时，由于人、交通工具、交通设施、交通环境等诸要素的不协调，出现了交通普遍拥堵、环境污染严重、安全事故高发、交通发展不均衡等许多问题，形成了交通与人、交通与社会、交通行业内部、交通与自然的不和谐。

This paper analysis the traffic network flow equilibrium problem based on the UE theory.

目前城市交通的紧张状况要求在现有的公路设施和网络条件下，做好城市运输路径规划和交通流调控，解决交通网络堵塞这一难题，具有非常重要的现实意义论文对基于UE平衡理论的交通流均衡分配问题进行了深入的分析，并模拟电路系统理论设计了求解城市道路交通平衡交通流的有效方法，旨在对交通网络流平衡问题进行研究，寻求网络达到平衡时的各支路网络流，据此对交通出行路径选择过程进行模拟，从而对城市交通状况进行分析、预测，对网络车流进行调控管理，尽量使网络车流量达到平衡状态，从而降低车辆出行成本，对提高道路网络运载效率具有重要的理论与实际意义。

Can think that road traffic safe program is government and its function department is , make the personal casualties of road traffic accident lose with property in program issue fall to the goal intended, determine in the traffic safe measure and action and its enforcement that person, vehicle, road and environment should adopt with the aspects such as management sequential, it is different levels people's government and its function department science develop the road traffic at will sexual major basis and important means of blindness of working and preventing road traffic safely working decision safely , it is strategy and the direction of road traffic safe development, have the scientificness of guaranteeing road traffic safe management and avoid decision fault before Zhan sexual role, have important strategic meaning for preventing road traffic accident.

可以认为，道路交通安全规划是政府及其职能部门为使道路交通事故的人员伤亡和财产损失在规划期内降至预定的目标，确定的在人、车、路、环境和管理等方面应采取的交通安全措施和行动及其实施时序，是各级人民政府及其职能部门科学开展道路交通安全工作、防止道路交通安全工作决策的随意性和盲目性的主要依据和重要手段，是道路交通安全发展的方向与战略，具有保证道路交通安全管理的科学性及避免决策失误的前瞻性作用，对预防道路交通事故具有重要的战略意义。

The paper mainly concerns about:(1)Proposing the idea of completing the job using GIS software by discussing deficiency of the traditional transportation job;(2)Discussing the transportation plan algorithm and the flow, in this foundation, designing the transportation model programming realization flow chart;(3)With the comparison of the domestic and foreign GIS software platform, determining ArcGIS Desktop which has large drawing edit and spatial analyse functions as the development platform of transportation planning;(4)In the data organization and the database establishment, by using the recent object-oriented spatial data— Geodatabase and UML, completing the system database design and establishment, including spatial database, attribute database as well as transportation network database

详细研究内容如下：(1)论述了传统交通规划软件存在问题，提出了利用GIS平台开发交通规划系统的基本思想；(2)论述了交通规划的算法和流程，在此基础上，设计了交通模型编程实现的流程图；(3)通过比较国内外GIS软件平台，选定了具有强大图形编辑和空间分析功能的ArcGIS桌面版为交通规划系统的开发平台；(4)在数据的组织和数据库的建立上使用新的面向对象的空间数据—Geodatabase，并利用统一建模语言UML完成了系统数据库的设计与建立，包括空间数据库，属性数据库以及交通网络数据库；(5)论述了系统编程实现的基本方法，在ArcMap下采用VBA编程方法自由地定制了系统界面；(6)利用ADO Data和数据网格控件存取交通规划系统预测功能所需的数据库；(7)采用VB对ArcObject控件扩展开发方式，实现系统功能的开发，即利用COM技术的扩展性在VB中创建ActiveX动态链接库来实现特定的系统功能，并集成在ArcMap中运行；(8)系统完成了交通发生预测、交通分布、缓冲区分析、道路的网络分析、公交

objective to study high risk population,high incidence time of traffic accident injuries,in order to provide evidence of prevention of traffic accidents.methods review inquiry,epidemiological analysis were performed.results there were 557 cases of traffic accidents before hospital in 2004.the traffic accident was the first in traumatism,the accounting for 51.86%.in 2004,the month of high incidence was july to december.people were on duty and off duty that was the high incidence time of traffic accident injuries in a day.the age of high incidence was 20 to 39 years old.the injury rate of males was higher than that of females.conclusion the measures of prevention and control are to strengthen traffic safety education,improve road safety level and quantity.

目的 了解院前急救交通事故的高危人群、高发时间，为交通事故的预防提供依据。方法采用回顾性调查方法，统计分析资料。结果 2004年1～12月我院急救中心院前急救的外伤病例中交通事故居首位，共557例，占总数的51.86%。在这一年内，以7～12月份为高发期。在一天中，人们上下班时间是交通事故高峰。以20～39岁年龄组为高危人群，在交通事故中受伤及死亡的男性比率高于女性。结论预防和控制交通事故的主要措施是加强群众的交通安全意识，提高驾驶员的安全行车意识和完善道路交通设施，确保良好的交通环境。

As the first road and city traffic specialty for master degree, this specialty lie the advanced level among the similar specialties and began incept students from 2000. There are 5 research directions of intelligent road traffic control and management, intelligent traffic information system, traffic programming and management, traffic environment and security, traffic system modeling and stimulation. With the stability theoretic knowledge and abundant practice experience, all graduates with master degree have the opportunity to go to study for doctoral degree, or to do work in these aspects of intelligent traffic, traffic engineering design, transportation programming, traffic control development, traffic establishment construction and so on.

本专业自2000年开始招生，是华南地区最早的以公路交通和城市道路交通为研究对象的硕士专业，处于国内同类专业的先进水平，先后开设有智能道路交通控制与管理；智能交通信息系统；交通规划与管理；交通系统建模仿真；交通环境与交通安全等研究方向，培养的学生既有扎实的专业基础理论知识，又有丰富的工程实践经验，能在国家与省、市的交通其相关部门从事智能交通、交通工程设计、交通运输规划、交通监控系统开发、交通基础设施建设等领域工作或进入博士阶段学习，得到用人单位重用和社会的好评。

As the first road and city traffic specialty for master degree, this specialty lie the advanced level among the similar specialties and began incept students from 2000. There are 5 research directions of intelligent road traffic control and management, intelligent traffic information system, traffic programming and management, traffic environment and security, traffic system modeling and stimulation. With the stability theoretic knowledge and abundant practice experience, all graduates with master degree have the opportunity to go to study for doctoral degree, or to do work in these aspects of intelligent traffic, traffic engineering design, transportation programming, traffic control development, traffic establishment construction and so on.

本专业自2000年开始招生，是华南地区最早的以公路交通和城市道路交通为研究对象的硕士专业，处于国内同类专业的先进水平，先后开设有智能道路交通控制与管理；智能交通信息系统；交通规划与管理；交通系统建模仿真；交通环境与交通安全等研究方向，培养的学生既有扎实的专业基础理论知识，又有丰富的工程实践经验，能在国家与省、市的交通及其相关部门从事智能交通、交通工程设计、交通运输规划、交通监控系统开发、交通基础设施建设等领域工作或进入博士阶段学习，得到用人单位重用和社会的好评。

Based specialized, generalized and visualized basic geographical information, it collects many information, such as detected video, traffic control signal, traffic peccancy, policemen distributing, traffic target, stopping position and capacity, to general manage and analyze. The primary visualized decision information including traffic flux, bus speed, traffic density, accident of real-time cities main road, are provided to traffic manager so that they respond rapidly, and some of them could be transformed to traffic inducing screen through network.

系统设计目的：建成一个基于网络环境的实时的、可视化的交通管理地理信息系统服务平台，它以专业化的、综合性的、可视化的基础地理信息为基础，综合集成现有系统，将监控视频，交通控制信号、交通违章监控等实时动态信息以及警力分布、交通标志、停车场位置及容量等各种数据采集起来，进行集中管理和分析，为交通管理者提供实时的城市各主要道路的交通流量、车速、交通密度、事故发生情况等可视化初级辅助决策信息，以便交通管理人员做出快速响应，也可将部分信息通过网络主动发布到交通诱导屏。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。