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1.In addition, considering the origin, the mechanism and the framework of the pulse signals, peak value, peak frequency, center of gravity (cg), gravity frequency of power spectrum, AR model parameter, the value of SER and Renyi entropy were extracted.
并且根据脉搏信号的产生机理、性质,提取了功率谱峰值、功率谱重心及其频率,AR模型系数,SER值,Renyi信息量等多个特征量。收藏指正
2.The value of simultaneous determine serum hyluronic acid,laminin devel CG and collagen protein Ⅲ to diagnose for early liver fibrosis
透明质酸、层粘连蛋白、甘胆酸及Ⅲ型前胶原联合检测对肝纤维化早期的诊断价值收藏指正
3.It was shown by checking the recognition of 30 sampling cases that the recognition accuracy of 80% was attained by using cg and gravity frequency of power spectrum as the characteristics. And the recognition accuracy was 86.667% by using peak value and peak frequency of power spectrum as characteristics.
经对30例样本的识别检验,结果表明,用功率谱重心及重心频率作为特征量分类率达到80%,用功率谱峰值和峰值频率作为特征量,分类正确率达到了86.667%.收藏指正
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