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中高空面阵CCD航空相机操作系统裁剪技术研究

Weiguo CAO,Zhifeng ZHENG,Haining YANG,Peipei WEN,Jie DUAN

Journal of Changchun University of Science and Technology（2015）

Cited 23|Views1
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Abstract
针对面阵CCD航空相机操作系统的实际需求,结合相机中PC104总线结构的硬件资源,对所采用的Linux系统进行实用性裁剪.采用粗粒度和细粒度相结合的裁剪方法,来增强Linux内核的抢占性,改善Linux内核的实时调度器的调度策略,以构建具有较强实施处理能力的嵌入式系统.在不同环境下,对系统的启动和任务响应性能的试验测试表明,裁剪后的系统稳定、可靠,且可达到启动时间小于5s,任务响应时间小于20ms的性能指标.
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Key words
aviation camera,operating system,tailoring,Linux
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