Synthesis of Flat-topped Beams in Wireless Power Transmission

CHEN Cheng; HUANG Kama

doi:10.11999/JEIT170710

Volume 40 Issue 5

May 2018

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CHEN Cheng, HUANG Kama. Synthesis of Flat-topped Beams in Wireless Power Transmission[J]. Journal of Electronics & Information Technology, 2018, 40(5): 1115-1121. doi: 10.11999/JEIT170710

Citation:

CHEN Cheng, HUANG Kama. Synthesis of Flat-topped Beams in Wireless Power Transmission[J]. Journal of Electronics & Information Technology, 2018, 40(5): 1115-1121. doi: 10.11999/JEIT170710

CHEN Cheng, HUANG Kama. Synthesis of Flat-topped Beams in Wireless Power Transmission[J]. Journal of Electronics & Information Technology, 2018, 40(5): 1115-1121. doi: 10.11999/JEIT170710

Citation:

CHEN Cheng, HUANG Kama. Synthesis of Flat-topped Beams in Wireless Power Transmission[J]. Journal of Electronics & Information Technology, 2018, 40(5): 1115-1121. doi: 10.11999/JEIT170710

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Synthesis of Flat-topped Beams in Wireless Power Transmission

doi: 10.11999/JEIT170710

CHEN Cheng¹,
HUANG Kama¹

Received Date: 2017-07-19
Rev Recd Date: 2017-12-22
Publish Date: 2018-05-19

Abstract

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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References(24)

References

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