無線能量傳輸中平頂波束的分析應(yīng)用

陳誠; 黃卡瑪

doi:10.11999/JEIT170710

無線能量傳輸中平頂波束的分析應(yīng)用

doi: 10.11999/JEIT170710

陳誠¹,
黃卡瑪¹

計(jì)量
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- 被引次數(shù): 0
出版歷程
- 收稿日期: 2017-07-19
- 修回日期: 2017-12-22
- 刊出日期: 2018-05-19

Synthesis of Flat-topped Beams in Wireless Power Transmission

CHEN Cheng¹,
HUANG Kama¹

摘要

摘要: 平頂波束在無線能量傳輸中能夠保證接收端功率密度的均勻性，對(duì)提高接收效率以及簡(jiǎn)化整流電路的設(shè)計(jì)具有重要意義。該文首先基于Orchard綜合，控制Schelkunoff單位圓零點(diǎn)位置，得到了實(shí)現(xiàn)平頂波束的條件；然后通過引入Sinc函數(shù)，給出了平頂波束的解與平頂寬度的對(duì)應(yīng)關(guān)系；最后利用微擾法編程計(jì)算，討論了平頂寬度與矩形系數(shù)、波紋系數(shù)、副瓣電平之間的數(shù)值關(guān)系。以一款10元陣為例，實(shí)現(xiàn)了副瓣低于且寬度很窄的平頂波束，驗(yàn)證了該文方法和結(jié)論的有效性。
- 天線 /
- 平頂波束 /
- 無線能量傳輸 /
- Orchard綜合 /
- 微擾法
Abstract: Flat-topped beams can provide a uniform power density to the receiver in wireless power transmission, which is of great significance to improve the receiving efficiency and to simplify the design of rectifier circuit. This paper firstly studies the conditions of realizing flat-topped beam based on the Orchard synthesis by moving the zero points positions on the Schelkunoffs unit circle; secondly, it introduces the Sinc function and gives the relationship between the solution and the width of a flat-topped beam; finally, it discusses the relationship between the width and three parameters, rectangle coefficient, ripple factor, and side lobes level by using perturbation method and numerous calculations. An example of ten-element array is given to illustrate the procedure of achieving the narrowest flat-topped beam with a side lobe level less than verifying the efficiency of the methods and conclusion in this paper.
- Antenna /
- Flat-topped beams /
- Wireless power transmission /
- Orchard synthesis /
- Perturbation method

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參考文獻(xiàn)(24)

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