频率捷变雷达信号相参特征的表述  

Describe of Frequency Agility Radar Signal Coherent Characteristic

作　　者：郭利荣[1] 何明浩[1] 郁春来[1] 王冰切[1] 

机构地区：[1]空军预警学院,武汉430019

出　　处：《火力与指挥控制》2015年第7期24-27,共4页Fire Control & Command Control

基　　金：国家自然科学基金(61201123);2012空军装备科研基金资助项目(KJ2012232)

摘　　要：频率捷变雷达信号分选是电子对抗领域信号处理与应用的难题,探索新的分选特征参数是实现对频率捷变雷达信号高效准确分选的手段之一。提出了一种基于Wigner-Ville分布(WVD)的频率捷变雷达信号相参特征的表述。介绍了典型频率捷变方式、频率捷变信号模型及WVD的离散过程,推导了频率捷变脉冲重构信号的WVD模型并进行仿真实验。实验结果表明,频率捷变雷达信号的WVD二维图可作为一种相参特征的表述,且该表述可为频率捷变雷达信号分选提供新思路。Frequency agility radar signal sorting is the problem of signal processing and application in electronic countermeasures. To explore new sorting characteristic parameters is one of the means to effectively and accurately realize the sorting of frequency agility radar signal. A describe of frequency agility radar signal coherent characteristic is proposed based on the Wigner-Ville distribution（WVD）. The typical frequency agility ways,the frequency agility radar signal mathematic mode and the discrete process of the WVD are introduced. The reconstruction frequency agility radar signal WVD mode is derived and the simulation experiment is made. The simulation results show that the WVD 2D image of the frequency agility radar signal can be used as describe of coherent characteristic. And this describe will provide new ideas for frequency agility radar signal sorting.

关 键 词：频率捷变雷达信号 WVD 相参特征 表述 

分 类 号：TN971[电子电信—信号与信息处理]