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1·This paper describes the essential concept and modelling of video signal in 3-d frequency domain, and from the point analyses the feathers of the brightness-colour separation filter.

本文阐述了电视信号三维频域的建立及其基本概念，并从三维频域的角度对亮色分离滤波器特性进行了分析。

2·These results may be used in the digital separation, digital demodulation and digital transformation of colour composite video, signals.

所得结果可用于彩色全电视信号的数字分离、解调和数字传送。

3·Good baking effect, heating wire imported from Japan. Colour with clear separation from beginning to end.

烘烤效果好，采用日本进口电热丝，从头至尾色泽均匀一致；

4·Based on the basic principle of 3-d and colour display, some attempts to the colour display by density separation and three primary colour composition are introduced.

本文根据三维显示和彩色显示的基本原理和特点，介绍了利用密度分割和三基色合成方法进行彩色显示的各种尝试。