SA-2防空导弹的介绍

2025-03-30 00:10:23
推荐回答(1个)
回答1:

S-75(北约代号:SA-2)是苏联第一代实用化的防空导弹系统,1954年10月由拉沃奇金设计局设计,1957年莫斯科五一节阅兵式公开。主要用于拦截敌轰炸机执行要地防空,取代了130毫米与100毫米高炮。每个发射营装备六枚发射架成六边形布置。导弹为两级发动机,第一级固体燃料助推段工作4-5秒,弹径0.645米;第二级发烟硝酸-煤油液体发动机工作22秒,弹径0.5米,推力2650千克。发射营的火控系统站能跟踪一个目标,利用三个信道同时制导三枚导弹拦截目标。战斗部重195千克,内装135千克炸药,低空杀伤半径65米,高空杀伤半径250米,平均精度75米。单发杀伤概率70%,三发杀伤概率95%。载车为吉尔ZIL-157半拖车,最大时速35公里。发射架为CM-63单臂全回转,重8400千克,最大仰角65度,电驱动,再装填时间10分钟。雷达站组成如下“匙架”(Spoon Rest)预警/搜索雷达,作用距离275千米“边网”(Side Net)测高雷达。“刀架”(Knife Rest)指示/跟踪制导雷达,作用距离65千米。“扇歌”(Fan Song)制导雷达距离达发现目标距离70千米以上,自动跟踪距离55千米,采用机械双天线双波束扫描方式,能够同时跟踪6批目标和制导3发导弹攻击一个目标。S-75系统与现代化欧美雷达相比,操作过程复杂,进入战位与接敌反应速度慢,抗干扰性能差。 但据说南联盟击落F-117隐形战机的SA-2,就是因为这种老式大波长雷达可以微调后短暂侦测到F-117这种初期型隐形战机,美方对此说法尚无定论。

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