引言民航VHF无线电通信是实施空中交通管制、保证民航飞行安全的最基本手段。近年来,随着经济的高速发展,各种民用通信电子设备被广泛应用,加上民航航班量的大幅增长,使得民用航空无线电专用频率受干扰的事件日趋增多。而无线电频率受干扰,往往会引起通 Introduction Civil Aviation VHF radio communications are the most basic means of implementing air traffic control and ensuring the safety of civil aviation flights. In recent years, with the rapid economic development, a variety of civilian communications electronic devices are widely used, coupled with the substantial increase in the volume of civil aviation flights, making the frequency of civil aviation radio interference subject to an increasing number. Radio frequency interference, often lead to pass