利用基线长度和俯仰角修正改进的二维干涉仪测向算法  

Improved 2-D Interferometer Direction Finding Algorithm Based on Correction of Baseline and Pitch Angle

作　　者：肖香彬 李延飞 赵丹 XIAO Xiang-bin;LI Yan-fei;ZHAO Dan(Science and Technology on Electronic Information Control Laboratory,Chengdu 610036,China)

机构地区：[1]电子信息控制重点实验室,成都610036

出　　处：《电子信息对抗技术》2019年第1期5-8,26,共5页Electronic Information Warfare Technology

摘　　要：随着功率管理等雷达抗干扰技术的发展,提升机载电子战系统在低噪比条件下测向性能的重要性日益突出,成为提高电子战装备实战能力的重要因素。分析了L阵宽带二维干涉仪采用立体基线法的测向误差,提出了一种利用基线长度和俯仰角修正改进的宽带二维干涉仪测向算法。理论分析和仿真结果表明,改进算法在同等条件下测向性能优于立体基线法。With the development of radar anti-jamming technology such as power management,improving the direction finding performance of airborne electronic warfare system under low SNR is becoming more and more important,and it has become an important factor to improve the actual combat capability of the electronic warfare equipment.The direction finding error of the spatial baseline method for L-shaped array wideband 2-D interferometer is analyzed,and an improved algorithm based on baseline and pitch angle is proposed.Theoretical analysis and simulation results show that the direction finding performance of the improved algorithm is better than that of the spatial baseline method.

关 键 词：二维干涉仪 立体基线法 修正因子 解模糊 

分 类 号：TN971.1[电子电信—信号与信息处理]