In order to make the students to be familiar with the operation process of NAVTEX receiver, to understand the workflow of NAVTEX system and to improve training effect, the simulation softwares of NAVTEX receiver and the work of coast station were developed under C# environment. The simulation software of NAVTEX receiver is very similar to the real, and its functions include reception of messages, rejection setting of coast stations and messages, printing of received messages, displaying and managing of received messages. Simulation software of the work of coast station based on UDP broadcast can send message to LAN by simulating the working situation of coast station. Experiments showthat simulation software of the work of coast station can broadcast messages to the LAN through reasonable pattern, and combination use of these two soft-wares can improve training effect efficiently.%为了使学员熟悉NAVTEX接收机的操作过程，全面理解NAVTEX系统的工作流程，提高实操训练效果，在 C#环境下设计并实现了 NAVTEX 接收机和岸台工作仿真软件。NAVTEX 接收机仿真软件仿真度高，能实现电文接收、设置岸台和电文拒收、电文打印、电文显示与管理等主要功能，基于 UDP 广播模式的岸台工作仿真软件能够模拟不同岸台的工作情况向局域网中广播电文。实验表明，岸台工作仿真软件能以较为合理的方式广播电文，两种仿真软件配合运行，有效地提高了实训效果。
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