Using a Hilbert transform Modulator, the intensity distribution of first-orderspectrum of crossed-slit is used for accuracy positioning in practice.
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。
2
Methods of distinguishing the firstorder diffraction spectrum from other order one have been described in detail by observing half- widths, locations and intensities of the spectrum.
提出了用峰位、半峰宽和峰高和滤光法来鉴别各级光谱的方法。
3
This model is solved by applying the direct perturbation method. The time evolution of spectrum and the firstorder approximate wave function for the system are presented.