...勒(Doppler)效应 ?收到讯号的统计分布(statistical distribution of received envelope) ?渐弱的时间长短(duration of fading) ?渐弱的快慢 北台科学技术学院 ? 讯号强度在很短的时间或很短的距离内就 大幅衰减 ? 对于不同的多路径讯号产生不同的都普勒 ...
双语例句
1
The probability density function, cumulative distribution function, average level crossing rate and average fade durationof each composite fading channel are analyzed, and some uniform expression.