Mathematic principle of active jamming against wideband LFM radar

作者：Gong, Shixian^*; Wei, Xizhang; Li, Xiang; Ling, Yongshun

来源：Journal of Systems Engineering and Electronics, 2015, 26(1): 50-60.

DOI：10.1109/JSEE.2015.00008

• linear frequency modulated (LFM)
• mathematic principle
• active jamming

The inherent mathematic principle of active jamming against the wideband linear frequency modulated (LFM) radar is investigated. According to different generation strategies, the active jamming methods are reclassified into three groups, i.e., non-coherent jamming (NCJ), convolution jamming (CJ) and multiplying jamming (MJ). Based on the classification, the mathematic principles of different active jamming groups are put forward, which describe the relationships between the modulated signals and the jamming results. The advantages and disadvantages of different groups are further analyzed, which provides a new perspective for the study of jamming/anti-jamming methods and a potential for engineers to integrate similar jamming methods into one jammer platform. The analyses and simulation results of some typical active jamming methods prove the validity of the proposed mathematics principle.

• 出版日期2015-2
• 单位中国科学院电工研究所; 中国人民解放军国防科学技术大学