Real-time systems often need extraordinary precautions to guard against possible breakdown of the computer.
实时系统往往需要特别小心，以防止计算机可能发生故障。
2
An optical image recognition system based on the volume holographic storage technology is constructed. It is applied to an "electronic guard" system based on the realtime human face recognition.
构建了基于体全息存储技术的光学图像识别系统，应用在以实时人脸识别为基础的电子门卫系统中。
3
This paper introduces an intelligent district gate guard control system based on message drive. This system has resolved the problems of complex input parameters, high real-time and security demands.