中文说明：对提取的四类特征信号分类，并计算正确率；对提取的四类特征信号分类，并计算正确率；对提取的四类特征信号分类，并计算正确率；对提取的四类特征信号分类，并计算正确率；对提取的四类特征信号分类，并计算正确率；对提取的四类特征信号分类，并计算正确率；对提取的四类特征信号分类，并计算正确率；
English Description：
On extraction of four class features signal classification, and calculation right rate; on extraction of four class features signal classification, and calculation right rate; on extraction of four class features signal classification, and calculation right rate; on extraction of four class features signal classification, and calculation right rate; on extraction of four class features signal classification, and calculation right rate; on extraction of four class features signal classification, and calculation right rate; Extraction and classification of four types of signatures, and to calculate the correct rate;