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本文介绍了匹配滤波相关器的工作原理和结构特点,提供了匹配滤波器对比例、旋转和视角误差的灵敏度的一些实验结果。由于在导弹制导情况下,实时遥感图象和弹上存贮的基准图象之间将不可避免地存在着这些和其它一些差异,所以,简单的匹配滤波相关器对导弹制导是不适用的。因此,本文着重介绍了一些处理比例、旋转和视角误差的技术途径。最后介绍了美国将光学信息处理技术用于导弹制导的一些研究情况。
This paper introduces the working principle and structural features of the matched filter correlator, and provides some experimental results on the sensitivity of the matched filter to the contrast, rotation and viewing angle error. Since these and other differences will inevitably exist between the real-time remote sensing image and the stored reference image on the missile in the case of missile guidance, a simple matched filter correlator is not suitable for missile guidance. Therefore, this article highlights some technical approaches to dealing with scale, rotation, and perspective errors. Finally, some research situations that the United States uses optical information processing technology for missile guidance are introduced.