此方法减小了相位离散值引起的量子化噪音，它适用于制作一切球面和非球面的具有旋转轴对称的相息图。
The method reduces the noise caused by discrete phase on reconstructing imago. This method can apply to either spherical or aspherical kind of Kinoform with axial rotating symmetry.
提出了适合于近震及远震定位的球面交切法。
The method of spherical surface shearing suitable for the location of near and far earthquake was proposed.
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