Design of inverted trapezoidal single-ridge waveguide slot traveling-wave arrays

Huang Qingfu; Chen Xiaoqiang

doi:10.13756/j.gtxyj.2014.02.019

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Design of inverted trapezoidal single-ridge waveguide slot traveling-wave arrays

- Design of inverted trapezoidal single-ridge waveguide slot traveling-wave arrays
- Study on Optical communication Issue 2, Pages: 67-70(2014)
- 作者机构：
  
  兰州交通大学自动化与电气工程学院
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2014.02.019
  CLC： TN814
- Published：2014，
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[1]黄庆福,陈小强.倒梯形单脊波导缝隙行波阵的设计[J].光通信研究,2014(02):67-70.

Huang Qingfu, Chen Xiaoqiang. Design of inverted trapezoidal single-ridge waveguide slot traveling-wave arrays. [J]. (2):67-70(2014)
[1]黄庆福,陈小强.倒梯形单脊波导缝隙行波阵的设计[J].光通信研究,2014(02):67-70. DOI： 10.13756/j.gtxyj.2014.02.019.

Huang Qingfu, Chen Xiaoqiang. Design of inverted trapezoidal single-ridge waveguide slot traveling-wave arrays. [J]. (2):67-70(2014) DOI： 10.13756/j.gtxyj.2014.02.019.

摘要

为了满足现代无线通信的要求

应用FEM（有限元法）编程计算出倒梯形单脊波导的截止波长和损耗系数

在考虑缝隙间互耦的情况下

采用行波近似计算了倒梯形脊波导缝隙阵的有源导纳

结合HFSS（三维高频结构电磁场仿真）软件提取了缝隙的归一化有源导纳

设计了一种新型的26元X波段倒梯形单脊波导缝隙行波阵。仿真结果表明

副瓣电平<-25dB

具有良好的驻波特性。

Abstract

In order to meet the requirements of modern wireless communications

this paper calculates the cut-off wavelength and loss coefficients of inverted trapezoidal single-ridge waveguide by programming the Finite Element Method（FEM）.With the mutual coupling between slots considered

it calculates the active admittance of inverted trapezoidal ridge waveguide slot array by using the traveling-wave approximation method and extracts the normalized active admittance of the slots by HFSS and finally designs a novel 26-element single-ridge waveguide traveling-wave slot array in the X band.Simulation results show that the side-lobe level is lower than-25dB and the Voltage Standing Wave Ratio（VSWR）throughout the band is sound.

关键词

互耦倒梯形单脊波导有源导纳行波阵

Keywords

mutual couplinginverted trapezoidal single-ridge waveguideactive admittancetraveling-wave slot array

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