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第205章 关键时刻还是得喀秋莎工程师上线(2 / 2)

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“贴地飞行可以有效躲避雷达侦查,就像战斗机超低空突防,也是利用地球曲率躲避雷达探测。”

“归根结底就是要低,要利用地球曲率做文章。”

“但是哩,海上雷达跟空中雷达还不是一回事。”

“普遍情况下,海上雷达受到地球曲率的影响,探测盲区40-50公里。”

“所以呢,地效飞行器如果搭载了武器或者士兵,超低空在海上快速前进,假如时速70公里。”

“那么,理论上来讲,它可以利用地球曲率神不知鬼不觉蹿到航母跟前,等你发现时,它已经是肉眼可见了。”

“一秒钟,哐当,撞上来了,哈哈哈!”

……

一群人被喀秋莎的嘚吧嘚惊得下巴都要掉下来了,咱也不太懂、咱也不敢杠、咱就只能瞪着俩眼望呀望。

“喀秋莎,你、你真的好牛哦!”路焘只念完了九年义务教育,之后就去了南韩当练习生。

听完喀秋莎的嘚吧嘚,不由自主竖起了大拇指,眼睛瞪得像铜铃:

“地球什么率……又是个啥?”

正在九年义务教育的明宇轩,立马抢白:“这题我会!”

“就是指地球表面的弯曲程度,一般用曲率半径或曲率(即曲率半径的倒数)来表示。”

蒙图也抢白:“小孩哥,简单点说,要用说人话的那种话来说,不、不然我们听不懂……”

一米九的大壮汉,居然羞涩地对了对手指,慌忙垂下眼眸不敢看小孩哥与小孩姐。

小主,这个章节后面还有哦,请点击下一页继续阅读,后面更精彩!明宇轩为难啊了一声,弱弱表示:“我、我也是背诵课本上的概念来着,就、就那个‘由于地球是接近于绕椭圆短轴旋转而成的旋转椭圆体,它的曲率半径各处都不一致。在不大区域测绘中,可把地球看作为一个圆球,这时采用的曲率半径R为6371km,其曲率就是地球半径的倒数,即1/6371千米。’”

“背诵得很好,下次别背了,我们这些学渣不配听,对不住啊小孩哥,实在是没听懂……”

蒙图蒲扇一般的熊掌捂住了脸,真心是哭笑不得,耳根子都红了。

“嘘嘘们,莫慌呀,听我给你们比喻一下。”关键时刻还是得喀秋莎工程师上线,答疑解惑:

“看到我的钢铁小拳拳没?类似椭圆形的是不是?”

一群人齐刷刷点头:“嗯嗯,对!”

“呐,你看我转动小拳拳呢,就跟那地球自转一样,是不是背面的地方你们看不到?”

喀秋莎缓慢转动自己的包子小拳拳,模仿地球自转:

“如果,我的小拳拳上有一只蚂蚁在爬,我们假定蚂蚁就是地效飞行器。”

“呐,小拳拳正面蚂蚁在爬、也就是蓝星大海里地效飞行器正在70公里的速度前进。”

“小拳拳背面的苍蝇是不是看不到蚂蚁?也就是航母上的雷达受到地球曲率影响探测不到40-50公里外的飞行器。”

“等到蚂蚁忽然爬过来,被苍蝇发现时,其实已经晚了。”

“也就是地效飞行器快速接近航母时,航母雷达就算发现了它,飞行器也蹿到了航母跟前。”

“如果带了炸弹,那么,近距离撂给航母,轰隆,炸了!哈哈哈~o(* ̄︶ ̄*)o~”利用地球曲率规避雷达发现飞行器,也就是飞机的超低空突防以上两张图仅限于海面,空中雷达受到地球曲率影响又不同,卫星高空拍摄更是不同【卫星做不到跟踪所有目标

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