本文运用希尔伯特变换空间调制器使十字光栅一级衍射谱的强度分布用于精密定位。
Using a Hilbert transform Modulator, the intensity distribution of first-order spectrum of crossed-slit is used for accuracy positioning in practice.
据此我们修改了待识别物体的傅里叶变换的振幅，以减小光强度的动态范围。
In the experiment the amplitude of Fourier transform of object is modified to reduce the intensity dynamic range, while phase information is preserved.
结合广义非线性强度理论采用变换应力三维化方法简单、合理地使模型实现三维化。
Using transformed stress method, it is easy and reasonable to combine the model with the Generalized Non-linear Strength Theory to make the model describe complex stress states.
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