基于国内外导航功率增强设计的研究,在系统层面上仿真分析我国导航系统中的GEO在不同的仰角下天线波束的地面覆盖区域。在对功率增强技术分析的基础上,着重研究我国导航系统的功率增强信号的覆盖范围,给出10 dB、15 dB、20 dB、25 dB不同功率增强要求下,地面接收功率、天线波束覆盖范围的仿真分析,提出功率增强要求对于的约束条件。并从地面接收信号强度、功率增强的覆盖范围、功率增强技术的实现难度、导航系统的多普勒碰撞问题方面进行的我国导航系统与GPSⅢ系统性能对比。 更多还原
【Abstract】 Based on in-depth research of power-enhancement of domestic and international navigation satellites,the coverage areas of GEO satellites’ antenna beam under different angles of elevation are analyzed.On the basis of analysis and demonstration of power-enhanced technology and program,this paper mainly discussed the power-enhanced signal’s coverage areas of our global navigation satellite.It gave out simulations of ground receiving power and antenna beam coverage,under different power-enhancement ... 更多还原