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第547章 备受打击谢元勋(1 / 2)

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谢元勋两眼微眯,精光四射,直直地盯着对面的宋河。

宋河不慌不忙,把嘴里的肉嚼烂了咽下,开口就背:

“捷联式惯导系统,适用于无卫星信号的特殊环境,用加速度计和陀螺仪分别测线运动和角运动,再代入初始姿态、初始位置、初始航向进行共同计算……”

“卡尔曼滤波算法,以最小均方误差为估计的一种递推滤波算法,可以应用到惯性导航系统中,弥补系统传感器的精度不足问题,位置、速度、加速度的测量随时会出现噪声,卡尔曼滤波可以有效……”

“飞行控制PID算法,PID控制器是一种线性控制器,在多旋翼无人机中,PID控制算法可以在姿态信息和螺旋桨转速之间建立比例、积分、微分关系……”

宋河语速极快,冲锋枪一样哗啦啦地背,甚至比照着稿子念还要熟练!

对面的谢元勋傻了,目瞪口呆地盯着电脑屏幕,直到一整页内容背完。

“卧槽……卧槽……”谢元勋脸色发懵,“一个字都没错!这他妈的怎么可能?”

宋河得意地挑挑眉,用筷子夹着红烧肉吃。

“不行!我不相信!”谢元勋挣扎,“这一页我也能背个差不多,我找个难的!”

“找呗。”宋河神色从容。

“第206页!”谢元勋抬头,死死盯着他。

“这一页全是公式啊,不好念。”宋河说,“我把公式给你默写一遍,再文字概括一下如何?”

“好!”谢元勋点头,手忙脚乱地从一旁找出纸笔,拍在桌上推过来。

宋河用左手拿起笔,唰唰唰快速书写,右手依旧拿着筷子夹红烧肉吃,两只手都极为灵活,像两条章鱼触手一样各干各的,互不影响。

谢元勋光是看这架势就有点脸色难看,秀,着实太秀了!

他试着模仿了一下,完全学不来,两只手根本没法同时动作,用筷子就忘了写字,写字就筷子乱戳。

很快,大半页纸的公式写完,宋河把纸往前一推,开口:

“第一条,状态预测值由状态预测方程得出,第二条,状态最优估计值由状态更新方程得出,卡尔曼增益实际上表征状态最优估计过程中模型预测误差与量测误差的比重……”

“对卡尔曼增益矩阵求偏导,可得估计误差方程并预测协方差矩阵……”

呱啦呱啦背了半天,再次精准背完!

谢元勋不吭声了,也吃不下去了,嘴角向下,陷入沉思。

【谢元勋被你的超强记忆力吓到,怨念值+700!】

【谢元勋因你的流利背诵而备受打击,怨念值+900!】

【谢元勋因你产生轻微自卑情绪,怨念值+500!】

“看开点。”宋河安慰道,“人外有人天外有天对吧,总有人比你天赋好点。”

“也对。”谢元勋叹气,“你认识谁的天赋在你之上?”

“我上面?”宋河微笑,“我上面可没人了。”

“你是真该死啊!”谢元勋仰天长叹。

吃完饭,谢元勋打了个饱嗝,把床单被子上的沙尘掀掉,躺进被窝戴上眼罩。

宋河默默回到电脑前,继续背资料。

忽然,谢元勋又把眼罩往头顶一撸,翻身坐了起来,重新打开笔记本电脑,满脸都是“我跟你拼了”的坚毅。

“怎么又不睡了?”宋河诧异。

“不行,你还在学,我睡不着!”谢元勋说,“天赋不如你,只能在学习时长上和你拼一拼!妈的没想到这辈子我也要用上笨鸟先飞这个词!”

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