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$ G: T. K5 F4 P; u5 A+ ]9 X' U
都拜读了。第二篇的基本立论就是有问题的:9 }1 {; _( j$ J( P$ J4 N
All objects on an aircraft placed ahead of the Center of Gravity (the line in Figure 2, around which the aircraft moves in pitch) will contribute to destabilize the aircraft in pitch.
G G7 c2 v2 p+ {( s( M# K只有双重传感器的话,只能deviation check和alternate,确保可以出错时自动切换。三重才可以2 out of 3 vote,但排除一个后,立刻就变双重,只能用一个,另一个用作deviation check。要四重才能坏了一个还可以2 out of 3 vote。所以战斗机数字飞控是四余度的。