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A Beam-forming Method based on Constant Modulus Algorithm combined with Gradient Algorithm

Focusing on the problem that tracking performance of constant modulus algorithm(CMA) will decrease dramatically in strong interference environment, a beam-forming method based on constant modulus algorithm combined with gradient algorithm is proposed. Based on application of smart antenna, the characteristics of this method are analysed. Finally the applicability of combined method is verified by computer simulation with an example of four element uniform linear array.