The Design of Directional Coupler for ECRH System | Zendy

Dajun Wu | Zendy; Fukun Liu | Zendy; Xiaojie Wang | Zendy; Handong Xu | Zendy; Liyuan Zhang | Zendy; Weiye Xu | Zendy; Yunying Tang | Zendy; Jian Wang | Zendy

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The Design of Directional Coupler for ECRH System

Author(s) -

Dajun Wu,

Fukun Liu,

Xiaojie Wang,

Handong Xu,

Liyuan Zhang,

Weiye Xu,

Yunying Tang,

Jian Wang

Publication year - 2017

Publication title -

ieee access

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.587

H-Index - 127

ISSN - 2169-3536

DOI - 10.1109/access.2017.2694143

Subject(s) - aerospace , bioengineering , communication, networking and broadcast technologies , components, circuits, devices and systems , computing and processing , engineered materials, dielectrics and plasmas , engineering profession , fields, waves and electromagnetics , general topics for engineers , geoscience , nuclear engineering , photonics and electrooptics , power, energy and industry applications , robotics and control systems , signal processing and analysis , transportation

A study of coupling characteristic between circular corrugated waveguide and rectangular smooth waveguide has been presented in this paper, which aims to develop a directional coupler integrated into a miter bend for an electron cyclotron resonance heating system on EAST. The performances of the several aperture array distributions are analyzed based on the aperture diffraction theory in detail. The broadband, good in-band coupling flatness, and excellent directivity are achieved by using the proposed novel aperture array on the mirror surface. For verification purpose, a prototype of the directional coupler has been designed and fabricated.

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