In this correspondence, we reply to the comments in Gu [“Comments on `A blind signal separation method for multiuser communications,'” IEEE Transactions on Signal Processing, vol. 55, no. 5, pp. 2355–2356, May 2007]. We explain that the global convergence analysis of the method in Castedo [“A blind signal separation method for multiuser communications,” IEEE Transactions on Signal Processing, vol. 45, no. 5, pp. 1343–1348, May 1997] can be completed as an extension of the results that were already presented. Also, we recall that two of the authors put forward (Dapena and Castedo [“Stochastic gradient adaptive algorithms for blind source separation,” Elsevier Signal Processing, vol. 75, pp. 11–27]) a similar method with more attractive properties whose convergence analysis is not affected by the counterexample provided in Gu
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机译：在此通信中，我们回复了Gu [“关于“用于多用户通信的盲信号分离方法”的评论，” IEEE Transactions on Signal Processing，vol。 55，不。 5，第2355-2356页，2007年5月]。我们解释了Castedo [“一种用于多用户通信的盲信号分离方法”，IEEE Transactions on Signal Processing，第1卷，第1页，第1页的全局收敛性分析。 45号[5，pp。1343–1348，1997年5月]可以作为已经提出的结果的扩展而完成。此外，我们还记得，有两位作者（Dapena和Castedo [“用于盲源分离的随机梯度自适应算法，” Elsevier Signal Processing，第75卷，第11–27页））提出了一种类似的方法，其特性更具吸引力。收敛分析不受Gu中提供的反例的影响
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