绝大多数为搜索并跟踪空中目标而研制的第一代和第二代红外导引头已经达到的技术发展水平不可能再有很大的提高了。多元探测器和快速微处理机的研制成功使目前有可能制造使用范围很广的成象 The vast majority of the first and second generations of infrared seekers developed for the search and tracking of aerial targets have not been able to achieve significant levels of technological advancement. The successful development of multivariate detectors and fast microprocessors has made it possible to make a wide range of imaging possibilities