The leading research foreland mainly focuses on pre-stack depth domain and elastic wave.
目前的研究前沿主要集中在叠前深度域和弹性波。
2
A frequency domain characterization method using low frequency ultrasound is put forward to estimate parameters of ultra thin elastic layers, such as: the sound velocity, thickness and density.
本文提出一种定量无损估计超薄弹性层声速、厚度和密度参数的低频超声波频域定征方法。
3
By use of the variational method, the potential energy principle of a elastic system on a variable domain is discussed.