Time-Modulated Single-Antenna Coherent Jamming Technology

In this paper, a single-antenna coherent jamming technique based on circulators is proposed. Through a circulator, the jamming can be achieved with a single antenna where the received signal is modulated and then transmitted. This method helps avoid the complex structure of traditional dual-antenna systems with separate reception and transmission. Due to the low isolation of circulators, jamming signals can be added by original communication radar signals, increasing the decoding difficulty of enemy receivers. The effectiveness of this method has been verified by the simulation results.