Joint Detection Method for Two-Way Automatic Communication System

The channel environment of the power distribution network is extremely harsh, and the transmission of IF signal in the channel is affected by many interfering factors, which leads to a large degree of signal distortion. The single-stage adaptive trap is not effective in detecting the IF signal. To solve this problem, a joint algorithm of mathematical morphology and a two-stage adaptive trap is used to detect the IF signal. The simulation results show that compared with the single-stage adaptive trap, the algorithm in this paper reduces the average output voltage error by 1.57 V and improves the output signal-to-noise ratio by 10.5 dB.