一、背景北京首都国际机场经历了整整半个世纪的发展,从最初单跑道单航站楼的简单结构演变为3条平行跑道3座航站楼的大型枢纽机场。在航空流量不断增长的同时,机场结构由简至繁,跑滑结构日趋复杂,管制员对进近终端区域航空器 I. Background Beijing Capital International Airport has experienced a full half-century of development from the simple structure of the original single-runway single-terminal building to a large-scale hub airport with 3 parallel runways and 3 terminal buildings. While aviation traffic continues to grow, the structure of the airport is from simple to complex, and the structure of running and sliding is becoming more and more complicated. The controllers of the aircraft approaching the terminal area