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根据视频图像电子叠加原理,对视频电子分划瞄准具进行了设计,完成“屏幕存储映射”方式的电子分划线及操作提示符场叠加。利用可编程逻辑器件和单一 OSDC 芯片的模拟视频分划线叠加设计进行总结,提出 DV 格式数字叠加处理方案。由于瞄具电子分划需要根据目标位置进行手动定位,所以重点对每种方案的分划线叠加位置和移位精度进行分析。利用其中的 OSDC 芯片叠加方案制成小型红外电子分划枪瞄具整机,有望利用数字视频叠加技术进行单兵武器数字化系统的全面研制。
According to the electronic image superimposition principle, the video electronic sub-sighting sights are designed to complete the electronic sub-scribing of “screen memory mapping” and the operation prompt field superimposing. Using programmable logic device and a single OSDC chip analog video line overlay design summary, put forward DV format digital overlay processing scheme. As the electronic sighting needs to be manually positioned according to the target location, the emphasis is placed on the superposition position and displacement accuracy of each scheme. Using the OSDC chip stack scheme made of small infrared electronic submachine gun sighting machine is expected to use digital video overlay technology for comprehensive development of the individual weapons digital system.