NAOC Open IR
天线组阵中相位差的递推最小二乘估计与滤波
孔德庆; 施浒立
2010
Source Publication宇航学报
ISSN1000-1328
Volume000Issue:001Pages:211
Abstract相位差的估计精度是影响深空网天线组阵中信号合成性能的关键因素。利用天线组阵SUMPLE或SIMPLE相关算法中相位差估计值之间的几何关系,提出了相位差变化率的最小二乘估计,并在此基础上提出了相位差的递推最小二乘滤波方法。经过理论分析和仿真实验表明,所提出的方法能够大大提高相位差的估计精度;对于给定的例子,估计精度提高了接近两个数量级。相位差经滤波后,天线阵的信号合成性能显著增强,从而大大提高对深空通信中微弱信号的数据接收能力。
Language英语
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/53732
Collection中国科学院国家天文台
Affiliation中国科学院国家天文台
First Author AffilicationNational Astronomical Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
孔德庆,施浒立. 天线组阵中相位差的递推最小二乘估计与滤波[J]. 宇航学报,2010,000(001):211.
APA 孔德庆,&施浒立.(2010).天线组阵中相位差的递推最小二乘估计与滤波.宇航学报,000(001),211.
MLA 孔德庆,et al."天线组阵中相位差的递推最小二乘估计与滤波".宇航学报 000.001(2010):211.
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