| 一种高分辨率视频切换矩阵研究与设计 |
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| 引用本文： | 吕卫国. 一种高分辨率视频切换矩阵研究与设计[J]. 计算机测量与控制, 2011, 19(4) |
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| 作者姓名： | 吕卫国 |
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| 作者单位： | 中国船舶重工集团公司,江苏自动化研究所,江苏,连云港,222006 |
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| 摘 要： | 传统的视频切换矩阵带宽低,切换规模小,为可靠切换高分辨率、大规模输入,高带宽与长距离视频信号,研究设计了一种基于AD8118视频切换芯片、LPC2478主控芯片的高分辨率128路输入32路输出平衡视频切换矩阵系统,给出了总体设计方案,硬件实现具体方案和原理图、软件任务流程图;在船坞修理厂、舰船停泊码头实际应用表明,系统运行稳定可靠,可实现大规模视频信号切换,减少了云台端切换设备数量,切换信号传输距离长,抗干扰能力强,准确且实时性好.
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| 关 键 词： | 视频切换 μC/OS-Ⅱ |
Research and Realization of a Kind of High Resolution Video Switch Matrix |
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| Lv Weiguo. Research and Realization of a Kind of High Resolution Video Switch Matrix[J]. Computer Measurement & Control, 2011, 19(4) |
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| Authors: | Lv Weiguo |
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| Affiliation: | Lv Weiguo(Jiangsu Automation Research Institute of CSIC,Lianyungang 222006,China) |
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| Abstract: | The traditional video switching matrix switching bandwidth is low,switching scale is small.In order to switch high resolution,large scale input,high bandwidth and long distance video signal,research and realization of a high resolution balance video signal of 128 channel input and 32 channel output video switch matrix based on video chip ad8118 and MCU chip lpc2478.This paper gives the realization of hardware design,software flow chart and main scheme design.The matrix applied in dockyard fix factory which ... |
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| Keywords: | LPC2478 AD8118 |
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