Research on the Optimizing Technology for Sparse Antenna Arrays Based on Aperture Function

摘要

In order to reduce the sidelobe level of antenna array, optimize the minimum element space spacing and element number of the antenna array, it is proposed optimizing technology for sparse antenna arrays design. The linear gradient aperture function and the stepped aperture function are used to select the position of the array elements appropriately, and the sparse array with fewer elements is obtained. The effective aperture is smoothed by controlling the shape of the transmitting and receiving aperture functions. The radiation patterns of a single antenna and a sparse array antenna are simulated and compared. The results show that the sidelobes are reduced in the radiation patterns of the receiving antenna, which provide alternative solutions to the optimization problems of sparse antenna arrays.