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http://dx.doi.org/10.5515/KJKIEES.2011.22.12.1155

Transmit-Beam Pattern Measurement of the Active Phased-Array Antenna Using Near-Field Measurement Facility  

Chae, Hee-Duck (LIGNex1)
Kim, Han-Saeng (LIGNex1)
Lee, Dong-Kook (Agency of Defence Department)
Jeong, Myung-Deuk (Agency of Defence Department)
Park, Jong-Kuk (LIGNex1)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.22, no.12, 2011 , pp. 1155-1164 More about this Journal
Abstract
In this paper, we proposed the transmit beam measurement method of active phased array antenna, which is installed in Korea's first developed naval medium range radar, using near-field measurement facility. The pulse-mode high power characteristics of active phased array antenna's trasmit-beam make it difficult to measure with general near-field measurement facilities where low power continuous RF signals are used. Thus, in this paper, the measurement method of active phased array antenna's transmit beam in conjunction with the near-field measurement facility, which is suitable for the high-power transmit beam measurement, and PNA-X network analyzer(Agilent Technologies), which can support pulse-mode measurement, was proposed and measured by near-field measurement techniques. And the EIRP(Effective Isotropic Radiated Power), the transmit characteristic of active phased array antenna, was measured by the near field measurement techniques and compared to numerical estimation which was nearly equal with small difference of 0.1 dB.
Keywords
Active-Phased Array Antenna; Near-Field Measurement; Transmit-Beam Pattern;
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