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背景视景模拟定义为载人飞行器“观察窗中所见外景的综合再现……”。再现的信息内容范围可包括从给予飞行模拟器驾驶员为完成一定飞行任务所必要的视觉景象,到将感兴趣的宇宙间任意部分景象带入飞行员的视野中。到目前为止,在不同飞行状态下为完成各项飞行任务所必须的各项视觉景象尚未很好地分类或确定。因此,视景模拟系统的趋向是在目前技术所允许的范围内,如同繁多的目视景象一样,能为目视信息的选择提供尽可能多的灵活性。
The background visual simulation is defined as “a comprehensive reproduction of the scene seen in the observation window of the manned aircraft” .... The range of information to be reproduced may include giving the pilot of the flight simulator the visual image necessary to accomplish a mission to bring any part of the universe of interest into the field of view of the pilot. To date, the visual aspects necessary for the completion of all missions under different flight conditions have not been well-defined or determined. Therefore, the visual simulation system tends to provide as much flexibility as possible for the selection of visual information, as is the case with a large number of visual images, within the limits allowed by current technology.