特殊用法absorption fading1.吸收性衰落amplitude fading1.振幅衰落duct type fading1.波导型衰落emission fading1.(电子管)发射率衰退flat fading1.平落, 平衰减flavour fading1.风味消失flutter fading1.散乱反射衰落, 颤动衰落frequency selective fading1.频率选择性衰落instantaneous fading1.瞬时衰落interference fading1.干扰性衰落non-selective fading1.非选择性衰落polarization fading1.极化性衰落, 极化衰落roll fading1.摇摆衰落(船舶航行时信号电平衰落)sausage fading1.香肠褪色, 香肠变色scintillation fading1.调节(引起的)载频衰落, 起伏衰落short-range fading1.近距离衰落, 近程衰落signal fading1.信号衰落skip fading1.越程衰落spin fading1.自旋衰落synchronous fading1.同步衰减, 同时衰减track fading1.径迹褪化tropospheric fading1.对流层衰落vertical fading1.竖直(极化波)衰落vision fading1.图象消失, 图象衰减