first order spectrum 第一级光谱 ; 第一级谱 ; [分化] 一级光谱 ; 一级波谱
spectrum of first order 第一级光谱
first order raman spectrum 一阶拉曼谱
first-order derivative spectrum 一阶导数光谱法
Using a Hilbert transform Modulator, the intensity distribution of first-order spectrum 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。
This model is solved by applying the direct perturbation method. The time evolution of spectrum and the first order approximate wave function for the system are presented.
利用直接微扰法，给出了该系统的一级近似波函数及能谱随时间的演化规律。
Methods of distinguishing the first order 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。
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