摘要
针对日益复杂的电磁信号环境,研究同时同频多源信号对比幅测向的影响。首先给出比幅测向基本原理;然后建立同时同频多源信号模型,再从单干扰信号典型场景出发,理论分析对比幅测向性能的影响,并在此基础上将干扰信号推广到多源信号的广义场景,给出影响比幅测向系统性能的主要因素;最后通过仿真,分析多源信号强度、空间位置、数量等因素对比幅测向的具体影响。
The increasingly complex electromagnetic environment is considered, and the influences on the amplitude comparison direction-finding system of the simultaneous multiple source signals under common-frequency(co-frequency) is mainly studied. First, the principle of the amplitude comparison direction finding is presented. Second, the simultaneous multiple source signals under co-frequency are modeled, and then the influences on the result of the amplitude comparison are analyzed theoretically in the case of single interference signal. Furthermore, this simplified situation is expanded to the general case of multiple signals, and the corresponding factors, which have influences on the computed direction, are offered. Moreover, at the analysis stage, the influences on the computed direction of the multiple source signals’ parameters are analyzed by the numerical simulation.
作者
汪兵
赵耀东
郑坤
杨益川
WANG Bing;ZHAO Yaodong;ZHENG Kun;YANG Yichuan(Science and Technology on Electronic Information Control Laboratory,Chengdu 610036,China)
出处
《电子信息对抗技术》
2020年第3期12-17,共6页
Electronic Information Warfare Technology
关键词
比幅法
同时同频多源信号
性能影响
amplitude comparison
simultaneous multiple source signals under common-frequency
influences on direction-finding
