Results 101 to 110 of about 34,473 (149)

[Molecular characteristics for poor prognosis related renal cell carcinoma with lymph metastases]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Shu F   +10 more
europepmc   +1 more source

基于ICEEMDAN-RCMDE及K-means的变压器铁心松动故障诊断方法

open access: yesGaoya dianqi
为了更加有效地对变压器铁心松动故障进行诊断,针对变压器带载运行时的振动信号,提出了一种基于改进的完全噪声辅助聚合经验模态分解(ICEEMDAN)算法和精细复合多尺度散布熵(RCMDE)的变压器铁心松动故障诊断方法。首先采用ICEEMDAN算法对变压器铁心在不同松动程度下的振动信号序列进行分解,之后通过RCMDE和主成分分析法(PCA)计算特征量的熵值并实行降维,最后采用K-means聚类算法对多组低维特征值矩阵表示的振动数据进行故障的分类识别。结合某10 kV变压器的铁心松动故障模拟实验,结果表明 ...
迮恒鹏   +4 more
doaj  

[Colorectal cancer diagnosis method based on dynamic gland-aware and tissue soft-clustering]. [PDF]

open access: yesSheng Wu Yi Xue Gong Cheng Xue Za Zhi
Su S   +5 more
europepmc   +1 more source

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