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Title:
DISTRIBUTED ARRAY ANTENNA DEVICE AND SIDE ROBE SUPPRESSION METHOD
Document Type and Number:
Japanese Patent JP2016201650
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To solve the problem that a conventional distributed array antenna device has difficulty in suppressing a side robe level.SOLUTION: The side robe suppression method includes distributing a plurality of antennas to arrange them in a distributed array antenna device. The plurality of antennas are of an identical type having different side robe characteristics according to a polarization axis. Each of the antennas is arranged in a state of being rotated at an angle different from the other antennas by making a main robe direction of the antenna to be an axis.SELECTED DRAWING: Figure 1

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Inventors:
SUZUKI YOSHINORI
GOTO DAISUKE
SUZAKI KOHEI
YAMASHITA FUMIHIRO
KOBAYASHI KIYOSHI
Application Number:
JP2015079841A
Publication Date:
December 01, 2016
Filing Date:
April 09, 2015
Export Citation:
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Assignee:
NIPPON TELEGRAPH & TELEPHONE
International Classes:
H01Q21/00
Domestic Patent References:
JPH05218737A1993-08-27
JPH09153715A1997-06-10
Foreign References:
WO2008142900A12008-11-27
Attorney, Agent or Firm:
Furuya Fumio
Toshihide Mori



 
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