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介绍了色度空间变换电路的两种基本实现方法，即模拟方法与数字方法，说明了如何用可编程逻辑器件（ＰＬＤ）实现ＨＤＴＶ数字式色度空间变换电路及相应的色差信号滤波、抽取电路，并给出了电路设计的仿真结果。
This paper introduces two basic realization methods of chrominance spatial transform circuit, namely analog method and digital method, and shows how to realize HDTV digital chrominance spatial transform circuit and corresponding color difference signal filtering by using PLD, , And gives the simulation result of the circuit design.