|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2010年09 期
| 标题 |
| 铁路车站旅客引导系统中LED视频显示系统的设计(19 卷) |
| 英文标题 |
| Design on LED Video Display System in Passenger Guide System of Railway Station |
| 摘要 |
| LED视频显示系统采用VGA同步控制技术，对计算机CRT显示器上的VGA信号和外来视频信号进行数字技术处理，实时完成非线性视觉校正、数据重组和灰度变换。视频控制电路采用分布式扫描技术，显示帧面被分成不同的单元独立进行扫描，增强了显示的稳定性和传输的可靠性。 |
| 作者 |
| 新闻作者:张金奎 |
| 关键字 |
