检错纠错技术在导弹伺服机构中的实现  

Implementation of error detection and correction technology on airborne missile servo system

作　　者：丁明亮[1] 

机构地区：[1]中国空空导弹研究院,洛阳471009

出　　处：《国外电子测量技术》2013年第12期84-86,91,共4页Foreign Electronic Measurement Technology

摘　　要：导弹伺服机构和弹载计算机在数据交互过程中,由于噪声的影响造成数据传输出现错误。针对这一问题,采用修正海明码实现1个检错纠错模块,该模块集成在数字信号处理器内部,实现检测数据单元的2bits错误,检测定位并纠正数据单元的1bit错误。通过计算分析,采用检错纠错模块后一个22bit传输数据单元出现错误的概率减小了5个数量级。该模块可以极大降低数据在传输过程中出现错误的概率,同时易于集成、工程实用性强。During the data interaction between servo system and embedded computer in airborne missile,there would be errors in the data transmissions because of noise influence.An error detection and correction module was implemented in DSP using the modified Hamming code for this problem.The module could integrate in the processor,detect two error bits,locate and correct one error bit.The calculation results showed that the error probability of a 22-bit transmission data unit was decreased 5 orders of magnitudes.The scheme could greatly reduce the errors during the data transmission,and had strong practicality in engineering.

关 键 词：伺服机构 检错纠错 修正海明码 

分 类 号：TM383[电气工程—电机] TN98[电子电信—信息与通信工程]