Evaluations for Estimation Method of the Distributed Array Antenna (DAA) Radiation Pattern by Experimental Analysis

Daisuke GOTO; Fumihiro YAMASHITA; Kouhei SUZAKI; Hideya SO; Yoshinori SUZUKI; Kiyoshi KOBAYASHI; Naoki KITA

doi:10.1587/transcom.2017EBP3154

Regular Section

Evaluations for Estimation Method of the Distributed Array Antenna (DAA) Radiation Pattern by Experimental Analysis

Daisuke GOTO, Fumihiro YAMASHITA, Kouhei SUZAKI, Hideya SO, Yoshinori SUZUKI, Kiyoshi KOBAYASHI, Naoki KITA

Author information

Keywords: the distributed array antenna (DAA), array pattern, array factor, antenna pattern estimation, antenna pattern measurement

JOURNAL RESTRICTED ACCESS

2018 Volume E101.B Issue 6 Pages 1494-1502

DOI https://doi.org/10.1587/transcom.2017EBP3154

Browse “Advance online publication” version

Details

Abstract

We target the estimation of antenna patterns of distributed array antenna (DAA) systems for satellite communications. Measuring DAA patterns is very difficult because of the large antenna separations involved, more than several tens of wavelengths. Our goal is to elucidate the accuracy of the DAA pattern estimation method whose inputs are actual antenna pattern data and array factors by evaluating their similarity to actually measured DAA radiation patterns. Experiments on two Ku band parabolic antennas show that their patterns can be accurately estimated even if we change the conditions such as frequency, antenna arrangement and polarization. Evaluations reveal that the method has high estimation accuracy since its errors are better than 1dB. We conclude the method is useful for the accurate estimation of DAA patterns.

Corresponding author

Register with J-STAGE for free!