非静止的信号的描述要求联合时间和频率信息。然而，时间和频率是不能在时间频率飞机组成联合概率密度的一双非变换的变量。时间频率......

为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

The Sylow graph of a finite group originates from recent investigations on certain classes of groups, defined in terms o......

The conditional version of sandwiched Tsallis relative entropy (CSTRE) is employed to study the bipartite separability o......