A Low Complexity 2D Pattern Synthesis Algorithm for Cylindrical Array

作者：Liu, Chao^*; Ding, Zhizhong; Liu, Xiaoping

来源：International Journal of Antennas and Propagation, 2013, 2013: 352843.

DOI：10.1155/2013/352843

• Array factors
• Circular arrays
• Cylindrical arrays
• Decomposition and reconstruction
• Equivalent-linear
• Excitation vectors
• Geometric characteristics
• Kronecker product

This paper proposes a 2D pattern synthesis algorithm for cylindrical array. According to the geometric characteristic of cylinder, we can regard a cylindrical array as an equivalent linear array whose elements are identical circular subarrays. Therefore, the beam pattern can be obtained by the product of the array factor of linear array and beam pattern of circular subarray. Then, the 2D beamforming can be realized by two 1D beamforming processes. We can prove that the complex excitation vector of a cylindrical array is the Kronecker product of linear array's weight vector and circular array's weight vector. By this algorithm of decomposition and reconstruction, the computational complexity of 2D beamforming could be significantly reduced. Finally, simulation results further illustrate the validity of the proposed method.

• 出版日期2013
• 单位合肥工业大学