...合极大值点, 以获得光滑 的上包络线(Upper envelope) ; 同理, 用样条函数拟 合极小值点, 以获得光滑的下包络线 (Lower envelope) , 计算上下包络线的平均值m (t) ; 第三步: 判断信号x (t) 是否为模态函数。 第四步: 若是模态函数, 存储数据。
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lower envelope principle 下包络原理
Microsoft now has a new and very flexible SOAP implementation which includes better support and lower-level control over the composition of the SOAP Envelope.
Microsoft现在有一个新的十分灵活的SOAP实现方式，它包含对SOAP信封更好的支持和更低级别的控制。
Triaxial compression test with the remolded deep clay shows that its fraction Angle is lower than that of the common shallow clay, and the strength envelope deflects with high confining stress.
对深部黏土重塑土的常规三轴试验表明，其内摩擦角较一般浅层黏土低，而且在高围压下强度包线出现向下的转折。
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