نتایج جستجو برای: abrupt change

تعداد نتایج: 601788  

Journal: :Remote Sensing 2016
Lili Xu Baolin Li Yecheng Yuan Xizhang Gao Tao Zhang Qingling Sun

This study proposed a multi-target hierarchical detection (MTHD) method to simultaneously and automatically detect multiple directional land cover changes. MTHD used a hierarchical strategy to detect both abrupt and trend land cover changes successively. First, Grubbs’ test eliminated short-lived changes by considering them outliers. Then, the Brown-Forsythe test and the combination of Tomé’s m...

Journal: :Circulation research 1967
K Greenspan R E Edmonds C Fisch

Simultaneous recordings of contractile tension and transmembrane potentials from canine ventricular tissue yielded a consistent correlation of action potential (AP) alteration with contractile change associated with abrupt rate change. The AP terminating a relative prolongation of the cycle-length manifested shortening of phase 2 with lengthening of phase 3 and was associated with potentiation ...

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