SYSTEMS AND METHODS FOR BLIND LOCALIZATION OF CORRELATED SOURCES,申请号KR20137031832-传众专利搜索

SYSTEMS AND METHODS FOR BLIND LOCALIZATION OF CORRELATED SOURCES

申请公布号：KR20140040727(A)

申请号：KR20137031832

申请日期：2012.04.27

申请公布日期：2014.04.03

申请人：

SIEMENS CORPORATION

发明人：CLAUSSEN HEIKO;ROSCA JUSTINIAN;WIESE THOMAS

分类号：G01S3/80;G01S3/74

主分类号：G01S3/80

摘要：A system and a method for a blind direction of arrival estimation is provided for a nonlinear 1-dimensional array of M receivers of J<M unknown signals transmitted through an unknown channel and subject to Gaussian noise. The method overcomes the conditions of that signals be disjoint in the time-frequency domain and/or statistically independent. A likelihood function evaluates a probability for the directions of arrivals. A weighting and regularization scheme selects relevant frequency components. A joint likelihood function of all frequencies is interpreted as a cost or objective function. The time domain is included into the estimation procedure by using a particle filter that operates on the constructed likelihood function and a simple transition kernel for the directions.