The paper first generalizes basic substance and mechanism layout of sins . the hardware component and function of the embedded navigation computer control system based on pc / l04 bus technique is introduced . the paper majors in designing and realizing software of the sins based on the dos operation system 本文首先簡(jiǎn)要地分析了慣導(dǎo)系統(tǒng)的基本工作原理,給出了慣導(dǎo)系統(tǒng)的機(jī)械編排,介紹了基于pc / 104總線(xiàn)技術(shù)的嵌入式導(dǎo)航計(jì)算機(jī)控制系統(tǒng)的硬件組成、結(jié)構(gòu)和功能。