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Accurate algorithm for analysis of surface errors in reflector antennas and calculation of gain loss

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3 Author(s)
Wang, C.S. ; Sch. of Electromech. Eng., Xidian Univ., Xi''an, China ; Duan, B.Y. ; Qiu, Y.Y.

The distortion of antenna reflector can degrade the antenna performances obviously with the higher work frequency band. A new algorithm used for accurately analyzing the distorted reflectors and computing the axial, normal and radial deviations of distorted surface is developed. The analysis method with simulation values only one third of analysis results of ANSYS software is verified by calculating surface errors and gain losses of a 7.3-m parabolic antenna under different working conditions and comparing the results of accurate algorithm and ANSYS software method. Its application in both large space and ground antennas will greatly improve the design efficiency, reduce cost, and also provide the detailed precise distortion information for electrical designers.

Published in:

Microwave, Antenna, Propagation and EMC Technologies for Wireless Communications, 2005. MAPE 2005. IEEE International Symposium on  (Volume:2 )

Date of Conference:

8-12 Aug. 2005