但盲估计算法，如子空间分解法等，需要较大的样本值，收敛速率慢，不利于实时信道估计。
But the blind estimation algorithm, for example, the sub-space decomposition, is not good for real time estimation because it requires large received signals, and has low estimation convergence rate.
水声信道多径参数的实时估计对于提高接收机性能有重要意义。
It is important to enhance receiver performance by real time estimating the multipath parameters of underwater acoustic channels.
其中信道信息由自适应滤波器实时估计。
Meanwhile, the channel information can be estimated by adaptive filter.
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