该文从实际出发，通过卫星通信线路和地上线路的有机结合，构筑了低成本、高速率的基于卫星的远程教学系统，并在其上进行了模拟教学实验。
This paper constructs a new practical distance learning system that is low cost and high speed by the means of satellite LOG combining with ground connection well.
本协议转换器在实际的项目中进行了测试，实验证明，此系统可正常工作，实现了对串口设备的远程监控。
The protocol converter has been tested in actual project, experiment result shows that this system runs, and realizes the remote monitoring of serial devices.
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