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1·By the definition of chroma in television principle, the mathematic model of signal based on basic chroma coding is established. The method concerning luminance, hue and saturation is also presented.

依据电视学色度图的定义，建立了基色编码条件下的信号数学模型，给出了一个与亮度、色调和饱和度相关的数字视频测试信号的设计方法。

2·Applying the theory of multi dimensional digital signal processing, this paper analyses the 2-dimensional interleaving structure of luminance and chrominance spectrum for the PAL signal.

运用多维数字信号处理理论，分析了PAL信号亮度和色度频谱的二维交错结构。

3·In detail, there is reported on the achievable improvement of picture sharpness and signal-to-noise ratio as well as on the reduction of flicker effects and luminance-chrominance-interference.

本文还详细报导了图象尖锐度和信噪比，以及抑制闪烁效应和亮度色度串扰等方面可获得的改善。