捷联式导航计算机的最优NiosⅡ构建  

Optimalizing construction of NiosⅡ for strapdown navigation computer

作　　者：许德新[1] 阙兴涛[1] 夏全喜[1] 

机构地区：[1]哈尔滨工程大学自动化学院,黑龙江哈尔滨150001

出　　处：《电子技术应用》2009年第5期159-162,共4页Application of Electronic Technique

摘　　要：从导航计算机实时性和时间可确定性的要求出发,结合niosⅡ的高度灵活性和可定制性的特点,设计了完全可控式双NiosⅡ处理器,实现了IEEE-754标准单浮点精度的cordic算法,并添加了硬件浮点运算的用户指令。最终的NiosⅡ系统非常适合捷联导航解算,是低成本、高性能的捷联式导航计算机的最佳选择。The article bine with nios Ⅱ＇s high float cordic algorithm base tions. Make the final nios is base on the requirements of real-time and time certainty about strapdown navigation computer, com- flexibility and customizable, designed completely controlled double nios Ⅱ processors, realize the single- on IEEE-754 standard, and add the hardware floating-point calculations to user＇s customizable instruc- Ⅱ system extremely suits to strapdown navigation solutions, is the best choice for low cost, high performance of strapdown navigation computer.

关 键 词：可控式双Nios Ⅱ处理器 IEEE-754浮点标准 CORDIC算法 自定义用户指令 

分 类 号：TN913.2[电子电信—通信与信息系统]