And the results of the application show that the system is reliable and work smoothly. It has realized the high speed communication with 76.8 KB/s Baud rate within 1? 200 m around the station even under very bad condition.

• 现场应用结果表明 :其性能可靠且运行稳定 ；实现了在户外恶劣环境下 ；波特率为 76 .；8KB s、距离为 12 0 0m的站内现场高速通讯 ;