高频电离层反射信号的衰落特性

Fading Characteristics of Reflex Signal on HF Ionospheric Channels

本文从理论上对高频电离层信道数字信号的衰落特性进行了定量分析,并与实测资料的统计结果作了比较。最后给出平衰落的特性参量:衰落率、衰落平均持续期与衰落平均周期的计算公式。

Fading characteristics of the data signal on HF ionospheric channels is analyzed in this paper and compared with statistic result of test data.Finally,the formulas for charactcristic parameters of flat fading,fading rate、average duration and average per- iod of fading,are developed.