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在短波网项目中,仿真技术作为一种低成本,高准确性的方法得到广泛使用。通过仿真技术,设计者可以在短波通信系统设计时就能验证通信流程的正确性以及模拟网络建成以后的使用性能效益,为网络设计提供必要的依据。在众多的仿真技术中,半实物仿真通过部分模块与实际网络环境进行交互,更能贴近现实网络环境,更能反映出实际网络的性能。本文主要介绍如何在短波项目中使用omnet仿真平台通过网口与仿真程序进行数据交互实现半实物仿真,并且介绍其中注意的问题。
In the shortwave network project, simulation techniques are widely used as a low-cost, highly-accurate method. Through the simulation technology, designers can verify the correctness of the communication process and the performance and benefits of using the simulated network after the HF communication system is designed, which provides the necessary basis for the network design. Among many simulation techniques, the semi-physical simulation interacts with the actual network environment through some modules, which can be closer to the real network environment and better reflect the actual network performance. This article mainly introduces how to use omnet emulation platform in shortwave project to realize semi-physical simulation through data exchange between network port and emulation program, and introduces the problems in which attention is paid.