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In order to study the blocking effect mechanism of electromagnetic pulse string on digital communication radio station, a certain type of digital communication station is used as the test object. The variation of the BER (bit error rate) of the tested station with the amplitude and repetition rate of the electromagnetic pulse train is studied by the electromagnetic pulse injection test. The results show that when the repetition rate is below 50pps, the BER of the tested station increases with the increase of the pulse amplitude, and becomes stable after reaching the criterion of sensitivity criterion, and there is a linear relationship between the repetition rate of the electromagnetic pulse and the error rate of the tested radio station. The higher the repetition rate of the electromagnetic pulse, the greater the BER of the tested radio station. All the tests under existing conditions in the laboratory meet the above conclusions.

Research on Blocking Interference of Electromagnetic Pulse Train to Digital Communication Station