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基于G-S正交化方法的宽零陷方向图综合
王剑辉,黄龙杨,潘卫军
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(中国民航飞行学院空中交通管理学院，四川广汉 618307)

摘要:

在线性阵列天线方向图无约束GramSchmidt(GS)正交化综合方法基础上加入零点导数约束条件实现宽零陷波束图综合。此方法保持了无约束正交化方法中因采用对阵列导向矢量正交化处理而使得计算简便的优点，适合均匀或非均匀直线阵的综合。实验结果表明,此零点约束正交方法能很好实现在零阶、一阶和二阶导数约束条件下线性阵列波束图的综合。

关键词: 线性阵列方向图综合宽零陷 Gram Schmidt正交化导数约束

DOI：

基金项目:国家自然科学基金重点项目（60832011）

Synthesizing Pattern with Broad Nulls Based on Gram Schmidt Orthogonal Method

WANG Jian-hui,HUANG Long-yang,PAN Wei-jun

(Air Traffic Management College, Civil Aviation Flight University of China, Guan ghan 618307, China)

Abstract:

Based on the GramSchmidt(GS) orthogonal method for patter n synthesis of linear array without constraints, null derivative constraints are proposed to implement pattern synthesis with broad nulls. The advantage of the simplified computation due to steering vector orthogonalization in uncons trained orthogonal approach is maintained, and the uniform or nonuniform linea r array pattern synthesis can be realized by this method. The experimental result s show that the null constrained orthogonal approach can fulfill linear array pa ttern synthesis with constrains such as null constrains, firstorder and second order derivative null constraints.

Key words: linear array pattern synthesis broad null Gram-Schmidt orthogonalizatio n derivative constraints