基本解释时分多址同根派生 TDMA相关词英汉例句The author has described several key techniques for improving the capacity of CDMA digital celullar system,comparing to the spectral efficiency of FDMA and TDMA cellular system.本文对照频分多址和时分多址系统的频谱效率,阐述了码分多址系统提高系统容量的几项关键技术。TDMA更多例句