摘要
针对低轨道(LEO)通信卫星的特点,进行星载多波束天线的系统级分析和规划.首先,对天线体制选择多波束天线的原因进行了论述.基于卫星覆盖范围的指标,进行了7波束等覆盖面积方案下波束指标的计算,给出了波束宽度、夹角等系统指标.然后对阵列天线方案进行了详细论述.最后对波束形成方案以及复用方案进行了设计和分析。
We present systematic analysis and planning of multi-beam antenna based on the features of LEO communication satellite.First,the reasons for adopting multi-beam antenna system are analyzed.Calculations of system parameters within the satellite coverage range are performed based on 7-beam equal-coverage-area scheme.System parameters,like beam width and beam angle,are given.Then,the scheme of array antenna is elaborated and analyzed.Some beamforming and multiplexing schemes are designed and analyzed.
出处
《中国科学院研究生院学报》
CAS
CSCD
北大核心
2011年第5期636-641,共6页
Journal of the Graduate School of the Chinese Academy of Sciences
基金
上海市自然科学基金(09ZR1430400)资助
