Firstly, the Doppler filtering is performed to reduce the data dimension in temporal domain.

首先，多普勒滤波在时域执行，以减少数据的维数。

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Based on a data dimension compression technique, this paper studies the principles and method of remote sensing information extraction for urban built up land.

通过压缩数据维的方式，研究城市建筑用地信息准确提取的原理和方法。

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Fuzzy rough set theory is an effective tool for reduction of data dimension, but there are few dimension reduction algorithms that are based on fuzzy rough set theory so far.

模糊粗糙集理论是解决数据集维数问题的有效工具，但基于模糊粗糙集的降维算法还不多。

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Fuzzy rough set theory is an effective tool for reduction of data dimension, but there are few dimension reduction algorithms that are based on fuzzy rough set theory so far.

模糊粗糙集理论是解决数据集维数问题的有效工具，但基于模糊粗糙集的降维算法还不多。

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