求翻译：经过上述的设计的分析，本课题所选用的移动机器人分类方法是正确的有效的，尤其是数据经过功率谱密度转化到频域进行分析，不同方向的数据进行融合以后，得到的准确率能达到90%左右，能够很好的完成移动机器人地形分类的任务是什么意思？

After analysis of the above design, the mobile robot classification of the subject chosen is the correct and effective, especially in the data after the power spectral density was transformed into the frequency domain analysis, data fusion of different directions, the resulting accuracy about 90% co

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