由于锚固体系中有不同大小和程度的缺陷,声波在传播过程中将产生能量衰减、相位突变及频散现象。
The existence of various lacunas in bolt bonding system will cause the acoustic wave energy attenuation, phase aberration and frequency dispersion.
卫星在轨测试是监测卫星平台及其遥感器在轨运行情况及性能衰减程度的有效手段,也是卫星数据处理和应用的前提与基础。
Satellite on-orbit test is a useful way to monitor satellite platform, on-orbit status and attenuation degree of sensors, and is the premise and base for satellite data's processing and application.
弹性波振幅在岩石中的衰减程度受其温压、所含流体性质、流体饱和度、岩石组分、结构等因素的影响。
Attenuation of elastic wave amplitude in rock is affected by its temperature and pressure, filled fluid properties, fluid saturation, rock composition and structure, etc.
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