A Radar Countermeasure Modeling Method Incorporating Cognitive Bias

doi:10.16182/j.issn1004731x.joss.24-FZ0774E

Abstract

Abstract:

Cognitive bias, stemming from electronic measurement error and variability in human perception, exists in cognitive electronic warfare and affects the outcomes of conflicts. In this paper, the dynamic game approach is employed to develop a model for cognitive bias induced by incomplete information and measurement errors in cognitive radar countermeasures. The payoffs for both parties are calculated using the radar's anti-jamming strategy matrix A and the jammer's jamming strategy matrix B . With perfect Bayesian equilibrium, a dynamic radar countermeasure model is established, and the impact of cognitive bias is analyzed. Drawing inspiration from the cognitive bias analysis method used in stock market trading, a cognitive bias model for cognitive radar countermeasures is introduced, and its correctness is mathematically proved.Agaming scenario involving the AN/SPY-1 radar and a smart jammer is set up to analyze the influence of cognitive bias on game outcomes. Simulation results validate the effectiveness of the proposed method.

Key words: cognitive electronic warfare, cognitive bias, radar countermeasure, dynamic game, perfect Bayesian equilibrium

CLC Number:

TP391.9

Wang Rui, Li Xiangyang, Wang Dong, Ma Hongguang, Zhang Zhili. A Radar Countermeasure Modeling Method Incorporating Cognitive Bias[J]. Journal of System Simulation, 2025, 37(4): 1090-1101.

Figures/Tables 5

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Parameter	Value
Central frequency f_c/GHz	3.1~3.5
Bandwidth W_r/MHz	40
Range resolution Δr/m	0.5~1
Antenna aperture/m²	12
Antenna gain G/dB	42
Beam width θ_r/(°)	1.7×1.7
Peak power P_t/MW	4~6
Pulse width τ/μs	6.4~51
Pulse compress ratio k_c	128
Maximum range/km	310

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