Mixing matrix estimation of underdetermined blind source separation based on the linear aggregation

• 作 者: 温江涛 Zhao Qianyun Sun Jiedi
• 机 构: KeyLaboratoryofMeasurementTechnologyandInstrumentationofHeBeiProvince,YanshanUniversity,SchoolofInfo
• 出 处: High Technology Letters
• 发表日期: 2016年1期
• 关键词: 混合矩阵 估计方法 盲源分离 信号 线性 聚合特性 观测 混合基 underdetermined blind source separation （UBSS）

Under the underdetermined blind sources separation(UBSS) circumstance,it is difficult to estimate the mixing matrix with high-precision because of unknown sparsity of signals.The mixing matrix estimation is proposed based on linear aggregation degree of s