Two-phase coding technology is a commonly used radar anti-jamming technology. The paper analyzes a pulse Doppler (PD) radar radar with two-phase encoding. Firstly, the characteristics of the two-phase coded signal are analyzed, and its good anti-interference performance is demonstrated. Then, the working principle of the PD radar fuse is analyzed as the principle of the simulation experiment. In order to investigate the anti-jamming performance of the PD radar fuse with two-phase coding technology, the paper used the radio frequency (RF) suppression interference and the dense false target interference to simulate the interference of the fuse. The simulation results are good, reflecting that the two-phase coded PD radar fuse has certain antijamming ability to suppress interference, but it has poor anti-jamming performance for the repeater-type deception jamming.
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