zero-order spectrum 零级光谱
The effect of the light source spectral distribution can be cancelled out with the help of the zero order spectrum of the Fourier transform of the interferogram.
利用干涉图的零频分量消除光源谱分布的影响,获得两束干涉光的振幅比;
For a given dispreading distance, the widths of the two spectrum regions increase until overlay when second-order dispersion approaches zero.
对给定的传输距离,随着光纤向零色散附近靠近,两个频谱区谱宽增加直到相互重叠。
The mechanism of the signal spectrum distortion because of DAC's zero-order holding is analysed.
分析了数字方法运用于波形合成中由于DAC零阶保持特性造成的信号频谱高频失真的机理;
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