1[3]Marquardt D. An algorithm for least - squares estimation of nonlinear parameter. SIAM J. Applied Math., Vol. 11, pp 431～441,1963
2[4]Coleman T F and Li Y. On the convergence of reflective Newton methods for large - scale nonlinear minimization subject to bounds. Mathematical Programming, Vol. 67, No. 2, pp189～224,1994
3[5]Dennis J E, Jr. Nonlinear least squares:state of art in numerical analysis, ed. D. Jacobs, Academic Press, pp269～312, 1977
4[6]Vu B. Sidelobe control in circular ring array. IEEE Trans. Antennas Propagation, Vol.41 ,No.8,pp1143～1145, August 1993
