由于直升机飞行高度低、飞行速度较慢，直升机飞行模拟器的视景系统具有特殊性。
Due to the lower flight height and the slower flight speed of helicopter, Compared with the fixed wing airplane, the visual system of helicopter flight simulator has the particularity in visual scene.
在此基础上完成了相应的设计、仿真和调试，编写了频率控制模块单片机程序，完成了新型雷达高度表模拟器的总体设计。
On this basis, the corresponding complete design, simulation and debugging, preparation of the frequency control module microcontroller program, completed a new radar altimeter simulator design.
对该型雷达高度表模拟器设计中存在的问题进行了分析，并指出了改进方向。
Radar altimeter simulator of the design problems were analyzed, and points out the direction for improvement.
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