网络仿真是进行网络技术研究的一种基本手段。在新技术的研究过程中，由于各种原因，实际网络系统的实现往往是代价较高或是不现实的。
以交通流理论为指导思想，提出采用OPNET 网络仿真软件设计网络道路交通流仿真平台。
The paper considers traffic stream theory as directive thinking and designs network road traffic stream simulating platform using OPNET network simulating software.
同时在网络仿真软件OPNET下搭建了一个具有良好通用性和可扩展性的LEACH协议仿真平台。
Some proposals are also discussed to improve the LEACH routing protocol. At the same time a universal and scalable LEACH protocol's simulation platform is established using OPNET.
第三章详尽地叙述了模型的建立过程，极好地解决了流量数据输入时与网络仿真软件OPNET接口的技术问题。
The process of the background traffic modeling is described in Chapter 3 in detail, and solves admirably the technology problem about the interface of traffic data and OPNET software.
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