当噪声样本值不准确时，估计精度与门限k的选择有关。

As for the imprecise noise samples, the estimation precision is dependent on the threshold parameter K.

youdao

岩石样本值既存在随机性，又存在模糊性。 传统的统计方法不适应处理模糊性。

Rock sample has random and fuzzy characteristics, the traditional statistic method isnt suitable for processing fuzzy attribute.

youdao

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.

youdao

It's the truth, but there are also sample means.

这些是真实的值,但同时也有样本均值

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