APPROACH MODE, An autopilot/flight director mode which is a combination of localizer for roll control and glide slope for pitch control.
进近方式， 一种综合了控制横侧的航道信号和控制俯仰下滑信号的自动驾驶／飞行指引方式。
2
INNER LOOP control, For autopilot operation this is the basis control of airplane pitch and roll attitude without regard to flight path.
内环路控制，对于自动驾驶仪操作，这是无关飞行航道的飞机俯仰姿态和坡度的基本控制。
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Then the pitch-yaw channel autopilot is designed by the model following design approach given in this paper while the roll channel autopilot is designed by using linear quadratic theory.