子载波相位与BOC信号功率谱密度的关系研究Study of relationship of sub-carrier phase and power spectral density for BOC signals
何在民;胡永辉;侯娟;王康;王继刚;
摘要(Abstract)：
首先介绍了导航信号功率谱密度求解的一种通用方法,基于该方法,经过建模和推导,得到任意相位子载波BOC(二进制偏移载波)信号的功率谱密度显式表达式。通过仿真及分析表明,不同的子载波相位对应的BOC信号功率谱密度存在差别,正是这些差别影响了导航系统的性能,同时也为导航系统的信号体制设计带来了灵活性。文中得到的一些结论,可以给未来的导航信号体制设计中BOC信号子载波相位的选择提供一些借鉴。
关键词(KeyWords)： 二进制偏移载波信号;功率谱密度;子载波相位;全球导航卫星系统
基金项目(Foundation): 武汉大学卫星导航与定位教育部重点实验室青年基金资助项目(GRC-2009012)
作者(Author): 何在民;胡永辉;侯娟;王康;王继刚;
Email:
DOI: 10.13875/j.issn.1674-0637.2011.01.004
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