Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/18886
Title: Design of radial line slot antennas
Authors: FENG ZHUO
Keywords: radial line slot array antenna (RLSA),Green's function, planar antenna,parallel-plate waveguide, slot admittance,dipole antenna
Issue Date: 27-Jan-2006
Source: FENG ZHUO (2006-01-27). Design of radial line slot antennas. ScholarBank@NUS Repository.
Abstract: This thesis presents an efficient approach for the analysis of the slot couplings of the RLSAs. Method of moments(MOM) is implemented following the conventional procedure for solving the slot excitation coefficients. The self and mutual admittances of the slots are obtained by computing the mutual impedances between the center-driven line dipoles. The image theory is applied to obtain the admittance matrix for the exterior and waveguide regions. A good agreement with the results obtained by using the Green's function is achieved.An improved technique is proposed for the slot array design of Concentric Array Radial Line Slot Antennas (CA-RLSAs) in which the slot pairs are split into several identical sectors. The Galerkin's moment method is applied to solve the excitation coefficients of each slot. Due to the symmetry of these slot pairs, the computational cost, the numbers of the unknowns and the elements of the admittance matrix, can be minimized.
URI: http://scholarbank.nus.edu.sg/handle/10635/18886
Appears in Collections:Master's Theses (Open)

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