The phase information of aspheric surface is evaluated by Hilbert transform only from one interferogram.

同时,本论文也论述了仅用一幅光载频干涉条纹获取非球面镜表面的全部相位信息的方法.

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This method is based on two major parts : empirical mode decomposition ( EMD ) and Hilbert transform.

HHT方法包括两个主要步骤 -EMD 分解和Hilbert变换.

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Digital arithmetic of Hilbert transform is given in allusion to DRFM adopting single channel sampling.

针对单通道采样结构的数字射频存储器,给出利用希尔伯特变换产生多普勒信号的数字算法.

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