摘要
在介绍卫星全球波束与点波束概念及其工作特点的基础上,对Inmarsat-B、F系统中的点波束控制机制分别做了研究、分析,归纳出F系统点波束工作优于B系统之处。
Based on explaining the concept and operation feature of global beam satellites and spot-beam satellites, this paper separately researches and analyzes on spot-beam contral mechanism of Inmarsat-F and Inmarsat-B system, and summarizes the advantages of spot-beam operation in F system. [
出处
《世界海运》
2004年第4期49-50,共2页
World Shipping
