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宝石路IV是英国皇家空军SPEAR项目能力1的基石。最初该项目计划对宝石路IV进行5个方面的改进。目前英国雷锡恩公司已经完成了3个方面的改进方案,包括低附带伤害战斗部,紧凑型侵彻战斗部和数字化半主动激光导引头。为设计低附带伤害战斗部,雷锡恩公司与多家公司合作建立了大量的爆炸动力学计算机模型,大大缩短了研制时间。目前最终的战斗部设计方案已经通过了国防科技实验室的评估,准备进入样机研究阶段。紧凑型侵彻战斗部是指重量小于227千克且能够攻击深层目标的武器。为降低风险,雷锡恩公司进行了一个概念验证研究,利
Paveway IV is the cornerstone of RAF SPEAR project capability 1. Initially, the project plans to make five improvements to Paveway IV. At present, Raytheon UK has completed three aspects of improvement programs, including the low attached to the damage warhead, compact penetration warhead and digital semi-active laser seeker. In order to design a low attached warhead, Raytheon, in cooperation with a number of companies, has established a large number of computer models of explosion dynamics, greatly reducing development time. The final battlefield design program has passed the assessment of national defense science and technology laboratories, ready to enter the prototype research stage. Compact penetration warhead means a weapon weighing less than 227 kilos and capable of attacking deep targets. To reduce the risk, Raytheon conducted a proof-of-concept study