具有陷波特性的改進(jìn)Sierpinski分形超寬帶天線

胡章芳; 胡銀平; 羅元; 辛偉

doi:10.11999/JEIT160738

具有陷波特性的改進(jìn)Sierpinski分形超寬帶天線

doi: 10.11999/JEIT160738

基金項(xiàng)目:

重慶市121科技支撐示范工程項(xiàng)目 (cstc2015jcyjB 0241)

計(jì)量
- 文章訪問數(shù): 1542
- HTML全文瀏覽量: 218
- PDF下載量: 314
- 被引次數(shù): 0
出版歷程
- 收稿日期: 2016-07-11
- 修回日期: 2017-01-12
- 刊出日期: 2017-06-19

Modified Sierpinski Fractal UWB Antenna with Band-notched Characteristic

Funds:

Chongqing Science and Technology Commission (cstc2015jcyjB0241)

摘要

摘要: 為了避免WLAN窄帶通信系統(tǒng)對超寬帶通信系統(tǒng)的干擾，該文提出一種具有陷波特性的改進(jìn) 分形超寬帶天線。天線的輻射單元是改進(jìn)的階分形結(jié)構(gòu)，通過采用共面波導(dǎo)饋電技術(shù)以及增加分形的迭代次數(shù)，可有效展寬天線的帶寬，從而實(shí)現(xiàn)覆蓋頻段的寬頻特性。在分形貼片上增加兩個對稱的L型開路枝節(jié)，實(shí)現(xiàn)了頻段的雙陷波特性，能有效抑制WLAN頻段對超寬帶通信系統(tǒng)的干擾。天線的尺寸較小，仿真和實(shí)測結(jié)果表明天線可廣泛適用于各種UWB通信系統(tǒng)。
- 超寬帶天線 /
- 分形 /
- 陷波 /
- 無線局域網(wǎng)
Abstract: A modified Sierpinski fractal Ultra WideBand (UWB) antenna with band notch characteristic is proposed to refrain the interference from WLAN. The radiating path is the modified fourth order Sierpinski fractal structure. The bandwidth of the antenna is effectively expanded and can cover the bandwidth of UWB band (3.1~10.6 GHz) by using coplanar waveguide feed technology and increasing the number of iterations of Sierpinski fractal. The notch band characteristic in 5.03~5.85 GHz is realized by adding two symmetrical L-shaped stubs on the fractal path, which can effectively suppress the interference of WLAN. The antenna has a compact size, and the simulation and measurement results show that the antenna can be widely used in all kinds of UWB communication systems.
- Ultra WideBand (UWB) antenna /
- Sierpinski fractal /
- Band-notched /
- WLAN

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參考文獻(xiàn)(22)

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