摘要
提出了一种基于边检测的盲源分离几何算法。该算法只需要检测到观测信号X的所有独立的边,然后根据数字信号混叠时的几何性质,分离出源信号。首先给出了问题的数学模型,然后对其分析并给出具体的分离算法,最后给出了仿真结果。仿真结果表明:该算法比一般的几何算法复杂度降低了,分离时间减少了,并且能保证分离效果。
In this paper, the problem of blind estimating multiple digital co-channel communication signals using an antenna array is discussed. A new approach is proposed to find all the independent edges of X based on an analysis of the x projections onto the coordinates. Through the simulation results of separating two blind audio signals, it is easily seen that the blind signals could be quickly and rightly separated with the proposed algorithm.
出处
《通信技术》
2008年第10期4-6,共3页
Communications Technology
关键词
盲源分离
天线阵列
m维超平行体
无线通信
source separation
m-dimensional parallelotope
antenna array
wireless communication
