根据有机发光二极管(OLED)的特性，利用解码模块和FPGA控制模块，设计oled视频动态图像驱动控制电路。

Based on the characters of organic light emitting display (OLED), an OLED controlled display circuit is designed utilizing decode module and controlling circuit by FPGA.

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该方案将被叠加的字符或图像数据保存在FPGA内部的ROM中，由内部逻辑控制电路产生点阵时序，控制视频通道切换开关，完成叠加功能。

The data of overlapped characters and pictures are stored in the ROM of FPGA, The Times are generated by FPGA inner logic circuit to control the switch of TV channels to finish the overlapping work.

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针对视频监控中摄像机镜头光圈大小、图像聚焦、图像变焦三项参数的控制问题，介绍了一种基于89c51单片机的镜头控制电路的设计。

Abstract: The design of camera lens control circuit based on 89c51 is introduced. This circuit can adjust parameters of camera such as aperture, zoom and focusing.

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