Abstract
To improve the transmitting adaptive beam forming efficiency and performance of the shape maintenance for the main lobe, analyzed existing adaptive pattern for beam forming. In this paper, the question that the main lobe of adaptive pattern will be distorted significantly, an approach is proposed to maintain the main lobe shape based on a main-lobe subspace, and the high peak side-lobe problem is resolved recurring to the orthonormal projection algorithms available. The new approach can be used to the transmitting adaptive beam forming, adaptive sum and sub beam forming. The trace driven simulation shows its performance.
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