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On Analysis and Optimization of an Active Cable-Mesh Main Reflector for a Giant Arecibo-Type Antenna Structural System

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2 Author(s)
Duan, B.Y. ; Res. Inst. on Mechatronics, Xidian Univ., Xi''an ; Du, J.L.

The active cable-mesh main reflector of a giant Arecibo-type antenna can adjust the illuminated area to a given parabolic surface in time, which is achieved with a flexible cable-mesh structure. This paper addresses the feasibility of the active cable-mesh main reflector, including accuracy adjustment and the influence of the panel curvature. The illuminate area of the reflector needs to be adjusted to a paraboloid, which is implemented by introducing a bias distribution field vector of mesh surface and least norm solution for under-determined equations. Plane panels and spherical panels are investigated. Numerical results show that a much more better surface precision can be obtained using spherical panels

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Antennas and Propagation, IEEE Transactions on  (Volume:55 ,  Issue: 5 )