一种基于牛顿下山法的宽带阵列方向图综合算法  

A Wideband Array Beam Pattern Synthesis Algorithm Based on Newton Downhill Method

作　　者：陈俊杰[1] 金荣洪[1] 耿军平[1] 

机构地区：[1]上海交通大学电子工程系,上海200240

出　　处：《上海交通大学学报》2007年第8期1366-1369,共4页Journal of Shanghai Jiaotong University

基　　金：国家自然科学基金资助项目(F010402/60501016)

摘　　要：基于自适应迭代理论,提出了一种应用于宽带阵列方向图综合的权函数迭代算法.该算法将方向图函数作为目标函数,利用牛顿迭代法的二次收敛特性,自动迭代权函数,使其模值逼近参考方向图.仿真结果表明,所提出算法能够很好地达到主瓣恒定、旁瓣降低的预设指标.A weighting function iteration algorithm used in beam pattern synthesis for wideband array based on adaptive iteration theory was presented. Beam pattern function is in the form of objective function. Newton iteration method is also used so that the weighting function is iterated adaptively,and the amplitude approaches to the reference beam pattern. The simulation results show that this algorithm can achieve the target including constant main lobe and lower side lobe well.

关 键 词：宽带阵列方向图 牛顿下山法 牛顿迭代法 模值逼近 

分 类 号：TN821[电子电信—信息与通信工程]