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Evaluation of the electromagnetic characteristics of a rectangular antenna test chamber

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URI: https://hdl.handle.net/10016/26049
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PFC_Tania_delCerro_Sanchez.pdf (5.05 MB)
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2015-04-29
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2015-09-11
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After characterizing the ATC with the well-known free space VSWR technique, we can conclude that this chamber presents good reflectivity results despite its small size. As it was expected, the chamber provides better reflectivity values when the operating frequency is increasing. Being these values better than -30, -32.5 and -45 dB at 4, 10 and 26 GHz, respectively. The errors that the measurements present for a C, X and K band horn antennas at these frequencies, in the main lobe are 0.044, 0.0053 and 0.0019 dB, respectively. As it was expected, the error is smaller when the frequency is increasing. With regarding to the errors that are produced in the side lobe are 1.27, 0.18 and 0.034 dB. A software tool was developed in order to reproduce the measurements when free space VSWR technique is carried out.
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