The noise of plasma laser interferogram is removed with binary wavelet transform.

采用二进小波变换消除了等离子体激光干涉图象的噪声.

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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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