At the process of ct crack and rapture evolution, the acoustic emission can not precisely reflect the meso-mechanism of rock deformation and rapture because of localization of damage.
在CT尺度裂纹演化和破坏阶段，由于岩石损伤高度局部化，声发射率参数不能精确反映岩石破坏的细观机制。
These electrostatic waves are considered as either the ion acoustic mode evolution or the ion cyclotron mode evolution.
这些静电波被认为或者是离子声波模的演化，或者是静电离子逥旋波模的演化结果。
The simulated results reflect macroscopic failure evolution process induced by microscopic fracture and the spatial and temporal distribution characteristics of acoustic emissions event hypocenter.
数值模拟结果演示两种条件下由微破裂诱致宏观破坏的演化过程以及和微破裂相关的声发射事件源的空间分布特征和事件序列特征。
Three experimental techniques for detecting matrix cracking evolution in composite laminates are investigated: acoustic emission detection, ultrasonic wave C-scan, and replica tape record.
介绍探测复合材料层板基体裂纹的三种实验技术：声波发射探测，超声波c扫描和复制带记录。
Therefore, describe the fractal feature of acoustic emission time sequence by correlation dimension and research the evolution law of rock damage and failure process.
本论文采用关联维数来描述岩石声发射时间序列的分形特征，研究岩石损伤破坏过程的演化规律。
Furthermore, the energy density spectrum for electromagnetic wave, Langmuir wave and ion acoustic wave are obtained and used to interpret spectra evolution with time.
研究了电磁波、朗缪尔波与离声波在相互作用中的能量密度谱随时间的演化；
The properties of ion-acoustic soliton such as its excitation, spatial evolution aad Mach number are studied on a stable plasma device.
本文在稳态等离子体装置中，对离子声孤立子的激发、空间传播和马赫数等进行了研究。
The properties of ion-acoustic soliton such as its excitation, spatial evolution aad Mach number are studied on a stable plasma device.
本文在稳态等离子体装置中，对离子声孤立子的激发、空间传播和马赫数等进行了研究。
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