Results IPF algorithm could effectively fit the model for high way table and give a reasonable interpretation.

结果IPF算法能够很好地拟合高维表的模型，并得出了合理的结果。

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Meanwhile, given the weak accuracy of LS algorithm, IPF-LS and IDF-LS are proposed which can enhance the accuracy of channel estimation by employing time-domain low-pass filter.

同时，针对梳状导频ls信道估计精度较低的情况，提出了通过时域低通滤波提高其估计精度的IPF - LS和IDF - LS改进算法。

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