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1.前言调幅型红外角跟踪陀螺系统作为角跟踪系统被广泛地应用于各个领域。目前国内外红外型空-空导弹导引头大都属于这种系统。这种系统在信息处理上各型号虽有程度不同的差异,但其基本原理是大体相同的,它们均属于一种二次型交流耦合系统。以前在这种系统的分析中,对中间环节不但缺乏分析,而且在认识上也很不一致。本文以某型号的导引头为
1. Introduction Amplitude modulation type infrared angular tracking gyro system is widely used as angle tracking system in various fields. At present, most of the infrared air-to-air missile seekers at home and abroad belong to this kind of system. The system in the information processing, although the different types of different degrees of difference, but its basic principle is roughly the same, they belong to a quadratic AC-coupled system. In the past analysis of this system, not only lack of analysis of the intermediate links, but also very inconsistent understanding. In this paper, a model of the seeker as