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远程战术导弹的射程超出了视距范围,对目标指示系统提出了新的要求。以往近程导弹使用的微波雷达因具有视距特征,难以直接用作远程导弹目标指示系统。近年来,随着数字处理技术的飞速发展,超视距雷达(简称OTH雷达)发展很快,已有一部分相继投入使用,如美国的Tepee和AN/GSQ-93等。OTH雷达一般工作在短波频率范围(3～30MHz),靠电离层和地表反射传播信号,作用距离超过800km,甚至可绕地球几周。 OTH雷达能否用作远程战术导弹目标指示系统?
The range of long-range tactical missiles is beyond the line-of-sight range, placing new demands on the target indication system. Because of the line-of-sight characteristics, the microwave radar used by the short-range missiles can not be used directly as a long-range missile target indication system. In recent years, with the rapid development of digital processing technology, OTHR (OTH Radar) has developed rapidly and has been put into use in succession, such as Tepee and AN / GSQ-93 in the United States. OTH radar generally work in the short-wave frequency range (3 ~ 30MHz), by the ionospheric and surface reflection of the spread of the signal, the role of more than 800km, or even around the Earth a few weeks. Can OTH radar be used as a long-range tactical missile target indication system?