以上来源于: WordNet
Methods; To study the relationship between signal attenuation and temperature or time by the theory of diffusion movements on classical physics.
方法：用经典物理学的扩散理论探讨扩散运动引起的信号衰减与温度、时间的关系。
Based upon wave theory and ignoring attenuation losses, the echo amplitude is.
按照波动理论，在忽略衰减损耗的情况下，回波振幅（ ）。
Based on coupling theory, the relations between the attenuation and the changing parameters were analyzed and the wavelength minim-loss was discussed.
基于耦合波理论，分析了衰减量与改变参量之间的关系，讨论了波长微损耗特性。
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