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本文介绍一种用于中低速数字对流层散射通信设备中的采用四进制时频编码分集技术的调制解调器的工作原理和理论性能。并给出了在对流层散射信道模拟器上测试的性能结果。
This article describes a working principle and theoretical performance of a modem using quaternary time-frequency code-diversity techniques for mid- and low-speed digital troposcatter communications equipment. And gives the performance results of the test on the troposcatter channel simulator.