Polarizer superstrate and SRR-loaded high-gain dual band dual polarized waveguide slot array antenna

2017 ◽  
Vol 28 (4) ◽  
pp. e21225
Author(s):  
Avinash Chandra ◽  
Sushrut Das
Keyword(s):  
High Gain ◽  
Array Antenna ◽  
Dual Band ◽  
Waveguide Slot ◽  
Dual Polarized

A High-Gain Dual-Band and Dual-Polarized Transmitarray Using Novel Loop Elements

2019 ◽  
Vol 18 (6) ◽  
pp. 1213-1217 ◽  
Author(s):  
Abdul Aziz ◽  
Fan Yang ◽  
Shenheng Xu ◽  
Maokun Li ◽  
Hai-Tao Chen
Keyword(s):  
High Gain ◽  
Dual Band ◽  
Dual Polarized

Dual‐band ridged tapered waveguide slot array antenna with cross‐polarisation reduction

2018 ◽  
Vol 12 (14) ◽  
pp. 2255-2261 ◽  
Author(s):  
Mohammad Khorramizadeh ◽  
Ali Reza Mallahzadeh ◽  
Rahmat Jesri ◽  
Sajad Mohammad‐Ali‐Nezhad
Keyword(s):  
Array Antenna ◽  
Dual Band ◽  
Waveguide Slot ◽  
Tapered Waveguide

High Gain Modified Dual-Band and Dual-Circularly Polarized Array Antenna

2017 ◽  
Vol 97 (2) ◽  
pp. 2131-2144 ◽  
Author(s):  
Saeed Mohammadi-Asl ◽  
Javad Nourinia ◽  
Changiz Ghobadi ◽  
Maryam Majidzadeh ◽  
Ehsan Mostafapour ◽  
...  
Keyword(s):  
High Gain ◽  
Array Antenna ◽  
Dual Band ◽  
Circularly Polarized

DUAL-BAND ANTENNA ELEMENTS MUTUAL INFLUENCE REDUCTION DUE TO USE OF MULTI-ELEMENT TWISTREFLECTOR

2019 ◽  
pp. 15-19
Author(s):  
A. N. Mikhailov
Keyword(s):  
Diffraction Grating ◽  
Mutual Influence ◽  
Fdtd Method ◽  
Array Antenna ◽  
Dual Band ◽  
Technical Solution ◽  
Waveguide Slot ◽  
Dual Band Antenna ◽  
Significant Difference ◽  
Working Frequency

Technical solution that allows reduce mutual influence of «waveguide‑slot array antenna/twistreflector» system elements due to the use of a microstrip diffraction grating with rectangular elements as a twistreflector is given. The geometrical dimensions of the elements ae calculated in such a way that the diffraction grating converts a falling linearly polarized field into a field with orthogonal polarization at the working frequency band. Polarization characteristics angular dependence of twistreflector in EHF and radiation characteristics of waveguide‑slot array antenna multi‑element in SHF of investigated system was performed using FDTD method. The possibility of the system functioning in both working frequency range with an insignificant mutual influence is shown. The low level of mutual influence is explained by the significant difference in the resonant frequencies being combined.

W-Band Waveguide Slot Array Antenna with High Gain Based on Rectangular Micro-Coaxial Process

2021 ◽  
Author(s):  
Minjie Shu ◽  
Weiwei Liu ◽  
Jianxing Li ◽  
Yuanxi Cao ◽  
Cheng Guo ◽  
...  
Keyword(s):  
High Gain ◽  
Array Antenna ◽  
Waveguide Slot ◽  
W Band
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