Quantitative evaluation for self-screening jamming effectiveness based on the changing characteristics of intercepted radar signals
Jian Ping Ou, Feng Zhao, Xiaofeng Ai, Jin Liu, Shunping Xiao · 2016
In the process of adaptive radar countermeasure, it is critical to evaluate the jamming effectiveness. Most of conventional methods rely on the data collected on radar side, which is unavailable under battlefield background. An approach for evaluating the effectiveness of self-screening jamming quantitatively from the view of reconnaissance and jamming systems is proposed. Since the amplitude and data rate of intercepted radar pulses before and after jamming vary obviously, the accumulated amplitude extracted from signals is chosen as the characteristic statistic. According to the response mechanism of jammed radar, the effectiveness evaluation detector is designed based on the theory of significance test. Under the condition of typical scenario in which ship-borne air-defense radar operates, simulations are performed to evaluate jamming effectiveness utilizing the proposed method. Simulations suggest that the results of evaluation appear completely consistent with the message displayed on radar side, which attests the validity of the approach.