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Robust anti-jamming method for high dynamic global positioning system receiver

机译:高动态全球定位系统接收机的鲁棒抗干扰方法

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摘要

An anti-jamming model is set up for the high dynamic global positioning system (GPS) receiver embedded in a high-speed vehicle. With a view to identify the characteristics of interferences in high dynamic condition and the shortcomings of traditional null widening methods, a novel statistical space–time null widening (SSTNW) method is proposed in this study. The SSTNW method can suppress interferences effectively in high dynamic conditions and can remove disturbance by nonideal factors, i.e. it improves the robustness of the anti-jamming algorithm of the high dynamic GPS receiver remarkably. At the same time, in view of the characteristics of space–time adaptive processing (STAP), a novel orthogonal constraint STAP is proposed to solve the distortion of the GPS signal in STAP. Simulation tests validate the feasibility and effectiveness of the proposed algorithm.
机译:为嵌入在高速车辆中的高动态全球定位系统(GPS)接收器建立了一个抗干扰模型。为了识别高动态条件下的干扰特征以及传统零点扩展方法的缺点,提出了一种新的统计时空零点扩展(SSTNW)方法。 SSTNW方法可以在高动态条件下有效地抑制干扰,并且可以消除非理想因素的干扰,即,可以显着提高高动态GPS接收机的抗干扰算法的鲁棒性。同时,针对空时自适应处理(STAP)的特点,提出了一种新的正交约束STAP,以解决GPS信号在STAP中的失真。仿真测试验证了该算法的可行性和有效性。

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