The two transpolar shortwave time signal circuits,Moscow and Irkutsk to the Great Wall Station in Antarctica, are used to study the fading characters for shortwave long circuit.
为了研究过区短波长电路衰落特性,在南长城站收测莫斯科、依尔库茨克短波授时台信号,并给出各频衰落深度、衰落、衰落平均持续时间等参数统计特征和衰落幅度分布曲线。