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.
为了研究过极区的短波长电路的衰,在南极长城站收测莫斯科、依尔库茨克的短波授时
信号,并给出各频率对应的衰
深度、衰
率、衰
平
时间等参数的统计
征和衰
幅度分布曲线。