Electromagnetic countermeasures play an increasingly important role in modern warfare.A radar's ability to suppress electromagnetic jamming determines whether it can exert its combat capabilities.This paper focuses on the identification and suppression of radar near-mainlobe jamming.First,a method for identifying near-mainlobe jamming is provided.Then,a near-mainlobe jamming suppression method is proposed based on double difference beam.Finally,the influence of the proposed suppression method on the angle measurement capability of the radar is analyzed.The simulation results show that the proposed method can suppress the jamming from near-mainlobe of the radar beam.It has certain engineering application value.
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