And the paper achieved conversion from the completed polar coordinates to rectangular coordinate, and solved two key problems, dead address and blind zone phenomenon.

本文完成了雷达数据从极坐标到直角坐标的转换，解决了坐标转换易出现的死地址和盲区现象。

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In order to generate the motion commanders of CNC machine tools, the coordinate conversion algorithm must be added into CNC system in 5-axis machining.

在5轴加工中，为使机床CNC系统能根据刀位点数据实时生成机床运动坐标，必须在CNC系统软件中加入机床运动空间坐标变换算法。

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The way to transfer XYZ system to RGB system is introduced and the conversion of chromaticity coordinate among CIE1931? CIE1960 and CIE1976 chromaticity diagrams are discussed.

介绍色度学中三个重要的色度空间——CIE1931、CIE1960、CIE1976色度系统，及三个色度系统间色品坐标的转换方法。

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