切变波是指弹性媒质中使媒质各部分变形而体积不变的波。切变波在数学上是速度场的散度为零的波。切变波也是横波。传播速度等于切变弹性模量和材料密度比值的平方根。
根据可压缩情况下的流体力学方程组，导出垂直切变风场中大气声重波的谱方程。
By using the compressible hydrodynamic equations, a spectral equation describing propagation of AGW's in a region of vertical wind shear is derived.
发现钛合金铆钉在应力波铆接过程中，主要是以绝热剪切变形的方式实现冷加工塑性变形的。
It is shown that the cold-worked plastic deformation of TB-2 in the process of stress-wave-riveting is achieved in the form of adiabatic shear substantially.
讨论了基于小波变换的时频分布级数，把一种新的时频分析工具——频率-切变分布应用于时频成像。
Time-frequency distribution series based on wavelet transform is discussed., and a new time-frequency tool: frequency-shear distribution is introduced into radar imaging fields.
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