摘要
为了满足无人机数据链对下行数据高速实时传输的要求,实现了一种基于Power PC处理器和IEEE1394总线的高速数据传输单元.首先介绍了无人机数据链对下行数据传输设备的设计需求,其次详细介绍了下行数据传输设备的系统结构和数据传输单元的软硬件实现,最后通过IEEE1394总线环绕测试的方法,验证了数据传输单元的功能和性能.验证结果表明:该数据传输单元具有设计简单、传输速率高、可靠性高和功耗低的特点,具有广泛的应用前景.
In order to fulfill the requirements of high-speed and real-time down data transmission of unmanned aerial vehicle data link, a high-speed data transmission unit based on PowerPC processor and IEEE1394 bus is realized. First, the paper introduces the design requirements of down data transmission system in unmanned aerial vehicle data link. Then it describes the system architecture of down data transmission system and the realization of software and hardware in data transmission unit in detail. At last, the function and performance of data transmission unit are validated through the encirclement of IEEE1394 bus. The experiment indicates that the data transmission unit has the characteristics of simple design, high transmission capability, high reliability and low power dissipation, which has broad application prospects.
出处
《计算机系统应用》
2015年第6期220-224,共5页
Computer Systems & Applications
