摘要
针对现代机载脉冲多普勒(PD)火控雷达普遍采用数字式信号处理检测目标参数,提出一种应用于机载有源自卫干扰机的假多普勒频率干扰方法来破坏其目标参数的检测;介绍了机载PD雷达采用的线性调频发射信号,并阐述了基于该发射信号数字式信号处理检测目标速度的原理;设计了假多普勒频率干扰的数学模型和产生方法,并分析了干扰选择的有效范围;通过仿真验证了该干扰的有效性,并结合仿真实例提出了工程实现的建议,为假多普勒频率干扰的使用提供了理论依据。
According to the modern airborne pulse Doppler（PD） fire control radar commonly using the digital signal to process the detected target parameters,this paper brings forward a false Doppler frequency jamming method applied to the airborne active self-defense jammer to destroy the detection of the target parameters,introduces the linearity frequency modulation emitting signal applied by the airborne PD radar,and expatiates the theory to process the detected target velocity by means of the digital signal based on the emitting signal,designs the mathematical model and generation method of false Doppler frequency jamming,and analyzes the effective range of jamming selection,validates the validity of the jamming through the simulation,provides the advices of engineering realization combining with the simulation example,which can provide the theoretical base for the application of false Doppler frequency jamming.
出处
《舰船电子对抗》
2011年第1期12-16,45,共6页
Shipboard Electronic Countermeasure
