This paper proclaims similarity of distribution between light strength of monochromic Fraunhofer's single - slit diffraction and square - wave frequency spectrum.
本文揭示了单色光夫琅和费单缝衍射的光强分布与矩形波频谱分布之间的相似性。
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。
The frequency pseudocolor-coded speech spectrogram is then obtained by means of a sampling narrow slit placed at Fourier plane in white-light optical spectrum analyzer.
然后在白光光学频谱分析系统中，利用放置在傅里叶频谱面上的取样狭缝得到按频率假彩色编码的频谱图。
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