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今年9月,美国海军武器中心完成了它的Block V型AGM—88C HARM导弹的第二次试验发射.作为软件升级而圆满完成的“干扰寻的”Block V改进,是由HARM制造商雷声系统公司与美国海军HARM计划管理办公室(PMA—242)联手进行的.Block V型HARM能够使反雷达导弹攻击干扰GPS导航信号的干扰机.美国海军将使用BlockV HARM导弹确保其下一代GPS制导的弹药,比如“联合直接攻击弹药”(JDAM)和“联合防区外武器”(JSOW),在面对低成本低功率GPS干扰机时会失去其精确制导能力.试验期间,海军的一架F—18飞机向一个模拟的干扰机发射了一枚HARM.虽然试验的进一步详情不知,但海军和弗伦公司已研制过一个A～D波段挂装式接收机系统LOCOGPSI,它能探测并瞄准干扰GPS的源(请见本刊1997第5期48页的报道—编者注),雷声公司说,除了“干扰寻的”能力之外,Block V更新还给AGM—88C提供了改进的“地理特征”,以及对付先进雷达波形的更好的工作能力.
In September this year, the United States Naval Weapon Center completed its second test launch of its Block V AGM-88C HARM missile, a “jam-hunt” Block V improvement that has been satisfactorily completed as a software upgrade by HARM manufacturer Thunder Systems Corp. teamed up with the U.S. Navy HARM Program Management Office (PMA-242) to block anti-radar missiles from interfering with GPS navigation signals. The U.S. Navy will use BlockV HARM missiles to ensure that its next-generation GPS-guided Ammunition, such as JDAM and JSOW, lost their ability to accurately guide low-cost, low-power GPS jammers, and during the trial one of the Navy’s F- 18 aircraft fired a HARM on a simulated jammer.While further details of the test were not known, Navy and Frenhner have developed LOC-GPS, an A-D band-mounted receiver system that can detect and target interference with GPS In addition to the ability to “seek out interference,” the Block V update also provides the AGM-88C with improved “geographic features” (see, for example, Journal Paper, 1997, p. 48) ", And a better ability to work to deal with advanced radar waveform.