理论推导表明，随机相位谐波过程时间平均三阶累积量为非零值，而且其一维切片仍然是谐波过程。
Theoretical derivation indicates that time averaged three-order cumulant of signals, which are from(random) phase harmonic processes, is nonzero and its one-dimension slice is also a harmonic process.
应用提出的全程分析方法和三维逐渐累积损伤理论，对层合板的冲击过程以及冲击后含损伤层合板在拉伸载荷下的破坏过程进行详细分析。
The impact damage process and residual tensile strength after impact of laminated composites are analyzed by the whole-process analysis method and 3D progressive damage theory.
应用提出的全程分析方法和三维逐渐累积损伤理论，对层合板的冲击过程以及冲击后含损伤层合板在拉伸载荷下的破坏过程进行详细分析。
The impact damage process and residual tensile strength after impact of laminated composites are analyzed by the whole-process analysis method and 3D progressive damage theory.
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