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摘要:
The method of this paper is based on change in the geometrical shape of the reflectarray plane which is similar to a concave shape and with this changing, it is tried to make the incident waves orthogonal as much as possible in order to remove the phase error caused by incident wave variation. The other benefit of this work is omitting frequency change error caused by path difference between reflectarray antenna bandwidth. Two types of reflectarray antennas operating at X-band frequency with a linear polarization are considered in this design: concave and flat reflectarray antennas with the diameter of 135 mm. elements which are used in this paper are variable-size patches. The proposed reflectarray antenna (concave) approximately has 25% 3-dB bandwidth which shows an increment in bandwidth about 18% compared to flat reflectarray antenna.
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篇名 Improvement in Reflectarray Antenna Bandwidth with Changing the Geometrical Shape
来源期刊 天线与传播(英文) 学科 医学
关键词 INCREASING of REFLECTARRAY ANTENNA BANDWIDTH Non-Flat REFLECTARRAY ANTENNA
年,卷(期) 2014,(2) 所属期刊栏目
研究方向 页码范围 21-28
页数 8页 分类号 R73
字数 语种
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节点文献
INCREASING
of
REFLECTARRAY
ANTENNA
BANDWIDTH
Non-Flat
REFLECTARRAY
ANTENNA
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研究来源
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研究去脉
引文网络交叉学科
相关学者/机构
期刊影响力
天线与传播(英文)
季刊
2329-8421
武汉市江夏区汤逊湖北路38号光谷总部空间
出版文献量(篇)
50
总下载数(次)
0
总被引数(次)
0
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