The constitution of the system, basic operating principle, the approach implemented with FPGA, video mixing method and the practical application effect are introduced, the block diagrams are given.
介绍了该系统的组成、制式转换的基本工作原理、用FPGA实现的途径、视频混合的方法和实际应用效果，给出了方框图。
The constitution of the system, basic operating principle, the approach implemented with FPGA, video mixing method and the practical application effect are introduced, the block diagrams are given.
介绍了该系统的组成、制式转换的基本工作原理、用FPGA实现的途径、视频混合的方法和实际应用效果，给出了方框图。
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