摘要
本文主要研究了一种基于星上处理的简化QPSK解调算法。论文分析了载波相位估计算法-LBAR算法,并针对其缺点对算法进行改进。研究结果表明改进后的LBAR算法误差更小、与实际值更贴近。
This paper mainly studies a simplified QPSK demodulation algorithm based on on-board processing. It analyzes the carrier phase estimation algorithm, i.e. LBAR algorithm, and makes relevant improvements in respect of its defects. The result shows the improved LBAR algorithm is more accurate with less error.
出处
《通信与广播电视》
2010年第2期19-23,共5页
Communication & Audio and Video
关键词
卫星通信
星上处理
QPSK算法改进
satellite communication on-board processing improvement of QPSK algorithm