UBSS and blind parameters estimation algorithms for synchronous orthogonal FH signals

• 作 者: Weihong Fu Yongqiang Hei Xiaoh
• 机 构: StateKeyLabofIntegratedServiceNetworks
• 出 处: 系统工程与电子技术：英文版
• 发表日期: 2014年6期
• 关键词: 参数估计算法 跳频信号 正交 同步 K-均值聚类算法 短时傅里叶变换 最短路径算法 混合矩阵 frequency hopping（FH） underdeterm
• 基金项目: supported by the National Natural Science Foundation of China（61201134,61201135）, the 111 Project（B08038）, the Fundamental Research Funds for the Central Universities（72124669）, the Open Research Fund

By using the sparsity of frequency hopping(FH) signals,an underdetermined blind source separation(UBSS) algorithm is presented. Firstly, the short time Fourier transform(STFT) is performed on the mixed signals. Then, the mixing matrix, hopping frequencies