摘要
针对子阵划分给宽带波束形成中带来的栅瓣影响,把零点调向技术与宽带波束形成技术相结合,提出用加入零点约束的方式对宽带子阵波束形成中的栅瓣加以抑制。通过加入零点约束,优化波束形成的权矢量,在阵元级进行波束形成时在栅瓣方向形成零点,消除子阵级波束形成时产生的栅瓣的影响。经过理论分析与计算机仿真,证实该方法具有一定的实际应用价值。
Aiming at the effect of subarray partition on grating lobes in wideband beamforming,it combines zero orientation technology with wideband beamforming technology,proposing to suppress the grating lobes in wideband subarray beamforming by adding zero constraints.By adding zero constraints,the weight vector of beamforming is optimized,and zero points are formed in the direction of the grating lobes when beamforming is performed at the element level to eliminate the effect of the grating lobes when beamforming at the subarray level.The analysis shows that its performance is superior.The computer simulation results are also presented and demonstrate the merits of the method.
作者
张立铮
曹欣荣
李士国
Zhang Lizheng;Cao Xinrong;Li Shiguo(Nanjing Institute of Electronic Technology,Nanjing 210000,China;Key Laboratory of Intelligent Perception Technology of China Electronic Technology Group Carporation,Nanjing 210000,China)
出处
《电子测量技术》
2020年第11期59-63,共5页
Electronic Measurement Technology
