可视化的测试图案信号提供了直观、快捷的评测方法，因此，高清晰度电视测试图案信号发生系统成为当今世界的热门研究课题。
Viewable test pattern signal provides an intuitionistic and convenient evaluating method, therefore, HDTV test pattern signal generating system become a hot research of world today.
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。
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.
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