• 论文 •
Cheng Yueyun; Wang Hongjian; Yi Min; Chen Xue; Liu Guang
A Quasi-optical analysis of FY-3 satellite radiometer antenna system is described. Equivalent electrical and magnetic current sheet were used for the analysis of wire grid cross polarization which could be down to -42 dB from the main polarization. A Gaussian coupling method was then introduced to analyze the offset parabolic mirror which was fed by a corrugated horn at 90º. As long as the reflector's f/D is large, the coupling matrix which is used to model the offset effect of the reflector can be derived in a simple way. The simulations and measurements demonstrated that quasi-optical analysis can be applied to offset reflectors well with its efficiency and accuracy.
Cheng Yueyun;Wang Hongjian;Yi Min;Chen Xue;Liu Guang. Quasi-optical Analysis of FY-3 Satellite Antenna[J]. , doi: 10.11728/cjss2010.06.596.
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