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；
Second, a special 2-D the fourth-order time-average moment spectrum is defined to estimate frequency in zero mean multiplicative and additive noise.
定义了特殊的二维四阶时间平均多矩谱来估计信号频率。
Second, a special 2-D the fourth-order time-average moment spectrum is defined to estimate frequency in zero mean multiplicative and additive noise.
定义了特殊的二维四阶时间平均多矩谱来估计信号频率。
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