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13 March 2013 Reflectivity level of double-bounce rays in rectangle anechoic chamber
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The reflectivity level of double-bounce rays of a mini rectangular anechoic chamber with a uniform absorber lining has been investigated by using the geometrical optics approach. The influence of the reflectivity level of the double-bounce rays has been analyzed in Hertzian dipole excitation antennas as compared with that of single-reflection specular rays from the side walls including the ceiling and floor. The result shows that the effect of the double-bounce rays on the total reflectivity level is relatively unimportant and can be ignored at excitation frequency range from 500MHz to 8GHz for the chamber.
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Rubing Liu, Haitao Liu, Zhigang Chen, and Qi Lin "Reflectivity level of double-bounce rays in rectangle anechoic chamber ", Proc. SPIE 8784, Fifth International Conference on Machine Vision (ICMV 2012): Algorithms, Pattern Recognition, and Basic Technologies, 87841Y (13 March 2013);

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