According to the displacement of the fringe and the relation between temperature and index of refraction, a two-dimensional temperature profile is obtained.
根据条纹弯曲偏移量，由折射率与温度的关系，画出空气温度的二维分布图。
Improvement to the old method formulated in this paper mainly lies in the combination of phase displacement method with frequency two-dimensional filtering in making operation.
本文对原方法的主要改进点是把相位移法与频率域二维滤波结合在一起进行运算。
A two-dimensional fuzzy controller using displacement as feedback variable is developed to control the cutting chatter.
并以颤振位移作为反馈变量，建立了基于二维模糊控制器的颤振控制系统。
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