其关键设备是景象匹配相关器，关键技术是景象匹配，它利用实时图像和基准图像的匹配来实现自主导航、制导。
Its key equipment is scene matching correlator, and its key technology is scene matching. It realizes independent navigation and guidance by matching real-time image and reference image.
提出一种使用功率谱相减的实时联合变换相关器作多目标检测。
Multitarget detection using a real time joint transform correlator with power spectrum subtraction is proposed.
这种相关器可以一步搜索到所有可能的码相位偏移，大大提高了捕获速度，比较好地满足了实时处理的要求。
This correlator can search all possible code shifts in one step, so decreases the acquisition time, meets the real-time requirements.
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