CORDIC算法在导航解算系统中的应用  

Application of CORDIC Algorithm to Navigation Solution System

作　　者：崔晓松[1] 胡建萍[1] 李陬[1] 

机构地区：[1]杭州电子科技大学电子信息学院,浙江杭州310018

出　　处：《杭州电子科技大学学报（自然科学版）》2007年第6期5-8,共4页Journal of Hangzhou Dianzi University：Natural Sciences

基　　金：浙江省科技厅重点计划项目(KYZ041104008)

摘　　要：该文介绍了CORDIC算法原理,阐述了CORDIC算法的24位流水线结构设计与实现,给出了算法的仿真结果。根据硬件加速理论与NiosII处理器特性,通过增加自定制指令的方式将CORDIC算法定制为NiosII处理器指令,应用于导航解算系统中,提高导航解算系统的解算速度。This paper introduces the principle of CORDIC algorithm,expatiates on the process of CORDIC algorithm which is designed and implemented through the waterline structure.Then it gives the emulate result of the algorithm.Based on the hard accelerate theory and the NiosII CPU characteristic,we can custom the CORDIC algorithm as an instruction,so as to append it to the NiosII soft CPU.At last,we apply the customized instruction in the navigation solution system,achieve to improve the solution speed of the navigation solution system.

关 键 词：流水线设计 硬件加速 自定制指令 解算系统 

分 类 号：TP368.1[自动化与计算机技术—计算机系统结构]