【摘要】 “3S”集成技术是当今世界上发展最快的领域之一 ,其产品市场更是发展迅猛 .阐述了“3S”技术的科学内涵和多系统集成的现代发展 ,概要地介绍了几种全球卫星导航定位系统及卫星定位原理 .更多还原

【Abstract】 The ”3S” integrated technology is one of the qu icke st developing realms in the world nowdays. The market’s development of its produ ct is even greater. In this paper, the connotation of ”3S” technology and mode rn development of multi-system integration is expatiated on. And it summarily exp lained some of the Global Navigation and Position System and the positioning pri nciple.更多还原