Abstract
A wide-band ferrite fin electromagnetic wave absorber panel for a precast curtain wall has been developed for multi-pass interference reduction in urban communication systems. The ferrite fin structure is designed to obtain a wide-band characteristic from the parameter survey of the fin structure. The characteristics are measured using mock-ups of the precast curtain wall with a time-domain method. Results indicate that the proposed absorber panel suppresses reflection < -14 dB in the frequency band 88.6 - 916.6 MHz for the incident angle of 30 degrees and 80.0 - 987.4 MHz for that of 60 degrees. The absorber panel can be applied to the TV ghost problem and other communication systems in both VHF and UHF bands.
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