样本特征f (sample characteristics) 统计学的基本概念之一指描述样本特征的一组量.已知总体X的容量为n的样本是X},XZ,...}X
... sample central moments 样本中心矩 sample characteristics 样本特征 sample collector 试样收信 ...
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首先，采集典型的包装图案样本，建立足够数量的样本特征集。
First, we must gather some typical samples and establish enough sample feature sets.
文章针对此不足，将样本的幅度作为样本特征分量的办法，对传统的ART2网络进行了改进。
Based on this, the article improves classical ART2 network by taking amplitude as character component.
解决了应用SVM识别算法对遥感矿化信息提取过程中输入样本特征向量（微弱信息样本）的构造问题。
Through SVM algorithm, solving the building problem of input sample feature vector (weak information sample) in the process of extracting mineralizing information from RS data.
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