ELEC381_Lab2 - ELEC381 PROPAGATION & RADIATION...

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ELEC381 LABORATORY REPORT #2 SIMPLE ANTENNA MEASUREMENTS Dicky, Fong Tek Kei D-A9-2779-3 Johnny, Cheong Ka Hou D-A9-2736-7 Freddy, Lei Ka Chon D-A9-2737-3 Kelvin, Cheang Wai D-A9-2779-3 David, Kong Hon Man D-A9-2781-1 Tony, Tong Peng Chio D-A9-2782-7 Joe, Tam Chou Lap D-A9-2800-5 Electrical Electronic Engineering Faculty of Science and Technology University of Macau 8 th December, 2011 I. Introduction
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In this lab, we would like to characterize the industrial antennas used for wireless transmission system and explore the following antenna concepts of polarization Antenna input VSWR vs. frequency Antenna polarization II. Input -8 dBm Part 1 - Measure input return loss of antenna Input Return Loss -20.8 dB Table.1 - Measured Value of Input Return Loss Part 2 - Measure Tx-Rx wireless system vs. distance R Insertion Loss -27.8 dBm Table.2 - Measured Value of Insertion Loss Frequency Distance Received Power (dBm) 1800 MHz 1.0 m -47.6 1.5 m -51.2 2.0 m -53.8 2.5 m -55.3
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3.0 m
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ELEC381_Lab2 - ELEC381 PROPAGATION & RADIATION...

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