%0 Journal Article %T Fourth-order cumulant based CSPRIT algorithm
基于四阶累积量的CSPRIT算法 %A SHEN Yi-Ping %A HOU Chao-Huan %A MA Xiao-Chuan %A
沈怡平 %A 侯朝焕 %A 马晓川 %J 中国科学院研究生院学报 %D 2007 %I %X By analyzing the problems of CSPRIT algorithm based on second-order statistics under space correlated Gaussian noise,a new algorithm combining fourth-order cumulant and CSPRIT algorithm is proposed to process one-dimensional signal sources,such as the binary phase shift keying(BPSK) and M-ary amplitude shift keying(MASK).DOA estimation and beamforming construction can be achieved simultaneously in this way.Compared to the original CSPRIT algorithm,this improved algorithm based on fourth-order cumulant can depress space correlated Gaussian noise well and get more accurate estimation of signals.The validity of this algorithm is also proved by computer simulation. %K cumulant %K beamforming %K rotational invariance %K DOA estimation
累积量 %K 波束形成 %K 旋转不变性 %K DOA估计 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=B5EDD921F3D863E289B22F36E70174A7007B5F5E43D63598017D41BB67247657&cid=B47B31F6349F979B&jid=67CDFDECD959936E166E0F72DE972847&aid=596C22F215A30AF6&yid=A732AF04DDA03BB3&vid=B91E8C6D6FE990DB&iid=38B194292C032A66&sid=86C0C9A759FDA8CA&eid=6C069F4B248105A5&journal_id=1002-1175&journal_name=中国科学院研究生院学报&referenced_num=0&reference_num=6