基于千兆以太网的弹载数据采集系统设计

Designing Missile Storage Data Recorder Based on Gigabit Ethernet

针对大容量弹载数据采集系统对高数据回读速率的要求,进行了基于千兆以太网的数据传输技术研究,利用FPGA实现对MAC层的控制,采用CRC算法对以太网中的数据传输进行差错检验,提高了数据传输的可靠性,经过系统功能测试,验证了该系统以太网数据传输逻辑正确、数据准确、可靠性高,具有良好的可移植性和推广价值。

Considering the requirement of reliability of data storage for high data readback rate,the key technology of data transmission technology based on gigabit Ethernet was studied.Using FPGA to realize control of the MAC layer,using the algorithm of CRC in Ethernet data transmission error inspection,which improved the integrity and reliability of test data.After the system functional test,it has proved that the system has correct Ethernet data transfer logic,accurate data,high reliability,good portability and promotion value.