Two smoothed gradient estimate methods used in adaptive sign algorithm applied to adaptive echo canceling have been discussed in this paper.
以自适应回波对消为对象，讨论了两种自适应符号算法的梯度估计平滑方法。
Two smoothed gradient estimate methods used in adaptive sign algorithm applied to adaptive echo canceling have been discussed in this paper.
以自适应回波对消为对象，讨论了两种自适应符号算法的梯度估计平滑方法。
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