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Improving the Efficiency of Information Transmission in the Troposphere Communication Line

The adaptive method of increasing the bandwidth in the transmission of information in the tropospheric communication line is considered. It is shown that if the pulses of the information sequence are frequency modulated, then changing the frequency modulation parameters for each symbol according to an individual law, it is possible to group the pulses reflected from different layers of the troposphere in the receiver. The quasi-coherent addition of grouped pulses allows to increase the energy efficiency of the tropospheric communication line and, accordingly, the bandwidth and noise immunity of information transmission channels.