对地观测小卫星的相位噪声分析与控制

Phase Noise Analysis and Control of Mini-Satellite for Earth Observation

结合传输型对地观测小卫星一体化设计的特点,介绍了一种用于对地观测小卫星系统的锁相接收机的构成及原理,并对系统的相位噪声性能进行了详尽的分析,提出了对其相位噪声进行技术控制的方法。通过文中的分析与研究,消除了由于对地观测小卫星相位噪声所引起的系统误码率的恶化,提高了系统的可靠性,为下一步对地观测小卫星的发展与应用打下了良好的技术基础。

With the development and the maturity of modern minisatellite technology, it is promising and significant to use the new technology for the earth observation. Associating with the characteristic of the integrated design of transmissiontype minisatellite for earth observation, the paper presents a detailed capability analysis on phase noise of minisatellite and brings forward some methods to control the phase noise.