本文利用兆赫兹频率级别的聚焦超声换能器诱发冲击波作用于结石模型材料，采用不同的声波参数包括频率、强度、占空比等进行了实验。
We used a Mega Hz focused transducer to focus on the surface of the calculus model and tried different frequency, intensity, time and duty cycle.
它采用了一种可由计算机控制的、可变空间频率的莫尔条纹投影仪，利用不同空频的两次变精度测量，以适应待测物体形面的突然起伏。
A new kind of moire fringe projector controlled by computer is used for changing the spacial frequency to adapt the contour of the object to be measured.
改进的算法同时结合了各向同性和各向异性扩散，利用区域频率差异实现了在不同的区域使用不同的迭代方程。
Improved algorithm combines isotropic and anisotropic diffusion and USES the regional frequency difference to realize different iterative equation on the different regional.
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