Preset undersea weapon is regarded as a new form of future undersea attack and defense weapon equipment.Variety of payloads such as unmanned aerial vehicle (UAV) , unmanned undersea vehicle (UUV) , missile, torpedo which are used to perform tasks like reconnaissance, strike, area denial, etc., can be preset on a continental shelf or an island chain through preset undersea weapons for long time lurk, waiting for remote activation.This system aims to construct the multi-dimensional battlefield by taking the advantage of integrated resources of the land, maritime, undersea, air, space.In this paper, the characteristics, functions and key technologies of the preset undersea weapon are analyzed according to recent open reports and literatures.Eight key technologies are summarized, including remote activation technology, deep-sea long-term anti-pressure and corrosion protection technology, preset load launching technology, stealthy deployment technology, deep-sea detection and reconnaissance technology, underwater networking and communication technology, deep-sea energy self-sustaining and resupply technology, and auxiliary decision making technology.This article may benefit to promote the construction of undersea preset unmanned combat equipment in China.%水下预置武器作为一种未来新型的水下攻防武器装备, 将无人机、无人水下航行器、导弹及鱼雷等作战装备预先放置于大陆架、岛链等敏感海域并进行长时间潜伏, 通过远程激活后执行侦察、打击及区域拒止等任务, 该体系将岸-海-潜-空-天等资源根据作战任务进行整合, 通过发挥整体优势来夺取未来水下战场空间.文章通过整理近年来国外公开报道的水下预置武器装备信息资料, 分析其主要功能特点, 概括提炼出包括远程激活技术、深海长时耐压防腐技术、预置载荷发射技术、隐蔽布放技术、深海探测侦察技术、水下组网通信技术、深海能源自持及补给技术和辅助决策技术等8项关键技术, 旨在推动我国水下预置无人作战装备的构建.
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