求翻译：对移动机器人地形分类算法的进行研究，包括确定了实验数据的预处理和特征值提取的方法，同时为了满足本课题的要求，对KNN算法进行了改进是什么意思？

Mobile robot terrain classification algorithm research, including the identification of the experimental data pre-processing and eigenvalue extraction method, the same time in order to meet the requirements of this topic, knn algorithm has been improved

To move the robot terrain classification algorithm to determine the research, including experimental data of the pre-processing and extraction of characteristic values, while the subject matter in order to meet the requirements of KNN algorithm has been improved

To moves the robot terrain classification algorithm to conduct the research, including has determined the empirical datum pretreatment and the characteristic value extraction method, simultaneously in order to satisfy this topic the request, has made the improvement to the KNN algorithm

To study the terrain classification algorithm for mobile robot, consists of determining the experimental method of data preprocessing and extraction of characteristic values, at the same time in order to meet the requirements of this subject, the KNN algorithm has been improved

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