Hemisphere lens-loaded Vivaldi antenna for time domain microwave imaging of concealed objects

2016 ◽  
Vol 30 (9) ◽  
pp. 1183-1197 ◽  
Author(s):  
Zubair Akhter ◽  
Abhijith B. N. ◽  
M. J. Akhtar
Keyword(s):  
Time Domain ◽  
Microwave Imaging ◽  
Vivaldi Antenna

scholarly journals A Compact Asymmetrically Slotted Antipodal Vivaldi Antenna for MIMO Imaging Systems.

2021 ◽  
Author(s):  
Djamila ZIANI ◽  
Sidi Mohammed MERIAH ◽  
Foued DERRAZ ◽  
Lotfi MERAD
Keyword(s):  
Radiation Pattern ◽  
Time Domain ◽  
Return Loss ◽  
Imaging System ◽  
Microwave Imaging ◽  
Imaging Systems ◽  
Fractional Bandwidth ◽  
Vivaldi Antenna

Abstract In this paper, we propose a Compact Asymmetrically Slotted Antipodal Vivaldi Antenna (CAS-AVA) design for MIMO imaging systems. The structure has the ability to extend the antenna bandwidth in low-end frequencies achieving a fractional bandwidth of 123,32 % (4.743-20 GHz). Good results are obtained in term of return loss, radiation pattern and gain. A time-domain study has been also performed to characterize the antenna behavior in case of an UWB pulse is used. To further validate our design, an application for MIMO imaging system is also proposed and evaluated. The antenna performances demonstrate that it is a good candidate for microwave imaging applications.

A Fern Antipodal Vivaldi Antenna for Near-Field Microwave Imaging Medical Applications

2021 ◽  
pp. 1-1
Author(s):  
Alexandre M. De Oliveira ◽  
Antonio M. De Oliveira ◽  
Marcelo B. Perotoni ◽  
N. Nurhayati ◽  
Henri Baudrand ◽  
...  
Keyword(s):  
Near Field ◽  
Microwave Imaging ◽  
Medical Applications ◽  
Vivaldi Antenna

UWB antipodal vivaldi antenna for microwave imaging of construction materials and structures

2017 ◽  
Vol 59 (6) ◽  
pp. 1259-1264 ◽  
Author(s):  
Mahdi Moosazadeh ◽  
Sergey Kharkovsky ◽  
Joseph T. Case ◽  
Bijan Samali
Keyword(s):  
Construction Materials ◽  
Microwave Imaging ◽  
Vivaldi Antenna

Microwave imaging of hidden crevasse in glacier terrain using metamaterial loaded eight-slot Vivaldi antenna

2019 ◽  
Vol 34 (2) ◽  
pp. 259-274
Author(s):  
G. Gopikrishnan ◽  
Z. Akhter ◽  
Vikesh S. Bhadouria ◽  
M. J. Akhtar
Keyword(s):  
Microwave Imaging ◽  
Vivaldi Antenna
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