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为了将在单座舱飞行中驾驶员的工作负担减到最小,自动目标跟踪必须附加到稳定的光/电传感器系统中去。自动跟踪器必须能在平行显示状态上捕获目标,而驾驶员只需要对跟踪点数据作很小的修正。为达到这些目标,研制了一种“图象匹配”数字式相关跟踪器,并在高性能飞机上对战术目标进行了飞行试验。与典型的跟踪器相比较,相关跟踪器不需要在它的跟踪窗口内包围已知目标,也不要建立阈值电平和对比度极性。因此,相关跟踪器对目标模式的一般特征及其在跟踪窗口内的初始位置的依赖关系很小。这也保证了根据平行显示状态的需要而作“推开和接近”操作。 本文将阐述跟踪器及对战术目标进行的飞行试验结果。
In order to minimize the driver’s workload in a single-cockpit flight, automatic target tracking must be attached to a stable optical / electrical sensor system. The automatic tracker must be able to capture the target in a parallel display state, while the driver only needs to make minor corrections to the tracking point data. To achieve these goals, an “image matching” digital correlation tracker was developed and flight tests of tactical targets were carried out on high performance aircraft. Compared with a typical tracker, the relevant tracker does not need to surround a known target within its tracking window, nor does it establish threshold levels and contrast polarities. Therefore, the relevant tracker has a small dependency on the general characteristics of the target mode and its initial position within the tracking window. This also ensures that the “open and close” operation is based on the need of a parallel display. This article describes the trackers and results of flight tests on tactical targets.