In order to reduce or avoid the adverse effects of electromagnetic interference on power system and civil aviation communication navigation monitoring equipment, and improve the safety and stability of operation, an electromagnetic interference suppression technology for power system and civil aviation communication navigation monitoring equipment is proposed. According to the magnitude of the maximum-average index of amplitude and the amplitude index characteristics of electromagnetic interference signal frequency in time domain, the characteristics of electromagnetic interference signal are extracted, the extracted signals are summarized into the intermediate frequency, the electromagnetic interference information is identified, and the channel coding is combined to correct, so that the data can be recovered to the maximum extent and the electromagnetic interference suppression result can be obtained. The experimental results show that the variation range of the suppression amount is small, which can significantly reduce the fluctuation of signal amplitude and improve the stability and reliability of the signal.
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Yin et al. (2024) studied this question.
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