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1·The variation of brightness and chromaticity of output image with modulation depth in phase-modulated colour encoding image is investigated.

本文讨论了位相调制彩色编码输出图象的色度、亮度随调制深度变化的规律。

2·Through size-research of the colour difference signals in colour TV-test illustrating picture, the phase and module of colour difference signals call be obtained simutaniously.

用插值法对彩色电视广播测试图中的色差信号进行定量研究，可以同时得到色差信号的相位和模。

3·Yttrium-8-hydroxyquinoline colour reaction in naphthalene phase has been stud-ied.

本文系统地研究了钇- 8 -羟基喹啉显色体系在萘相的显色反应。