基于MAX7456的视频电子分划叠加系统设计  

Design of a Video Electronic Aim-line Overlay System Based on MAX7456

作　　者：陈毅[1] 张殿富[2] 

机构地区：[1]武警工程学院研究生管理大队36队,陕西西安710086 [2]武警工程学院通信与信息技术研究所,陕西西安710086

出　　处：《电子科技》2010年第12期45-48,共4页Electronic Science and Technology

摘　　要：根据视频图像电子叠加原理,完成了屏幕存储映射方式的电子十字分划线及提示符的叠加。该系统由STC12C5608单片机、MAX7456视频叠加芯片、电源电路组成。外围电路简单,实现了叠加图像与场景图像同显、十字分划位置可控二维满屏移动,便于在轻武器上安装使用。该系统在武装机动平台控制系统上得到应用。According to the video image electronic overlay principle,a video electronic aim-line overlay system is designed,and electronic cross aim-line and prompt can be displayed in a field as a way of the screen memory mapping.The core of the system consists of the STC12C5608 single chip microcomputer,MAX7456 video overlay display chip,power supply circuits and some simple external circuits.It can achieve the synchronous display of overlay image and scene image and controlled full screen moving of the two-dimensional position of the cross aim-line.The system is installed to facilitate the use of light weapons and applied to the armed mobile platform.

关 键 词：视频十字分划 MAX7456 字符叠加 

分 类 号：P391.41[天文地球—地球物理学]