Synthesis of Planar Nonuniform-spaced Antenna Arrays Based on Matching Pursuit

• 1、 Department of Communication Engineering and Electronic Science, Xiamen University, Xiamen 361005

Abstract： The synthesis of sparse antenna arrays has many practical advantages including effective reduction in the number of antenna elements and feeding channels, and accordingly, the weight and cost of the system can be significantly reduced. The matching pursuit (MP) algorithm is firstly used in this paper to reconstruct the antenna array based on desired radiation pattern. sparse synthesis of planar arrays with chebyshev patterns and shaped beam patterns are set as numerical examples to verify the effectiveness and advantages of the proposed synthesis method. The results show that the ratio of reduced element number can be 60% at most while maintaining almost the same mainlobe of pattern within 3dB tolerance in the sidelobes. Besides, the time cost for the proposed method is much less than the one for the stochastic methods such as the genetic algorithm.

Keywords： Electromagnetic Fields and Micro-Wave Technology；Matching Pursuit Sparse Arrays Pattern Synthesis