航天光纤数据总线分析(本期优秀论文)

介绍了航天光纤数据总线(SFODB)的基本结构、工作方式,重点强调了此种技术非常适合于对通信实时性、可靠性要求高的航天电子系统的使用.通过和其它的数据总线比较,还可得出此种技术的信号传输速率非常高,比目前应用较为广泛的军用标准-MIL-STD_1553B提高了3个量级(1553B的传输速率只有1Mb/s),基本解决了当前航天数据总线低速传输特性的问题,为大容量实时信号的传输提供了一种行之有效的方案.

Analysis of spaceborne fiber-optic data bus

The structure and operation mechanism of spaceborne fiber-optic data bus (SFOBD) is described. It is emphatically pointed out that this technique is very useful in the spaceborne electronics system, which needs high quality of real-time and high-reliable communication. Compared with other data bus techniques, it is found that the data transfer rate of this technique is three times larger than the nowadays widely-used military standard-MIL_STD_1553B, the rate of which is only 1Mbps. The problem of low data transfer rate of spaceborne data bus at present can be solved by this technique, which will be the effective method for the high-speed and real-time data transfer in spaceborne electronics environment in the near future.