¹University of Electronic Science and Technology of China, Chengdu 610054, China
²Institute of Leihua Electronic Technology, Wuxi, 214063, China

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Abstract—A semi-blind source extraction algorithm for noisy mixtures based on a linear predictor is proposed. The novel algorithm is firstly validated using the benchmark data and then is applied to extract array radar signal suffering from jamming interference. The results showed that the novel algorithm can effectively extract the target signal in radar echo. Thus, it has practical application prospect in array radar for increasing anti - jamming interference ability.

Index Terms—Blind source extraction, cost function, AR autoregressive model parameter, array radar, jamming interference.

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Cite: Gang Wang, Nini Rao, Xiaochuan Du, Feng Ou, Caiquan Liu, Guogong Xu, Chaoyang Qiu, "The Semi-blind Source Extraction Algorithm for Array Radar Signal," Journal of Computers vol. 7, no. 6, pp. 1297-1302, 2012.