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All Journal Bulletin of Electrical Engineering and Informatics Indonesian Journal of Electrical Engineering and Computer Science
Ariffuddin Joret
Universiti Tun Hussein Onn Malaysia (UTHM)
Electrical & Electronics Engineering

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Bistatic configurational analysis of ultra-wideband antenna for detection applications Jawab Ali; Noorsaliza Abdullah; Roshayati Yahya; Ezri Mohd; Ariffuddin Joret; Norshidah Katiran
Indonesian Journal of Electrical Engineering and Computer Science Vol 13, No 2: February 2019
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v13.i2.pp702-707

Abstract

With the advancement in technology, antennae are becoming a popular components to be used in various applications. Following the trend, a compact design of ultra-wideband (UWB) bistatic configuration of the antenna is presented in this paper using ground penetrating radar (GPR) technology specifically for detection applications. The antenna is first designed and simulated using defected ground structure (DGS) for impedance bandwidth with the obtained gain of around 6.2 dB and return losses from 3-16 GHz. Later the complete detection model is aimed to study and for this purpose CST is used to model human skin and performed an experiment based on antennas i.e. transmitter and receiver, obstacle and target, to study and analyze the received antenna reflections for detection purpose.
Ultra-wide band antipodal Vivaldi antenna design using target detection algorithm for detection application Sajjad Ahmed; Ariffuddin Joret; Norshidah Katiran; Muhammad Faiz Liew Abdullah; Zahriladha Zakaria; Muhammad Suhaimi Sulong
Bulletin of Electrical Engineering and Informatics Vol 12, No 4: August 2023
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/eei.v12i4.5081

Abstract

This work presents a technique for detecting targets between two walls using ultra-wide band (UWB) modified antipodal Vivaldi antenna (MAVA). The detection system works on principle of time domain reflectrometry (TDR) using through wall imaging (TWI). This technique utilized a vector network analyzer (VNA) to produced short and small pluses to irradiate through an antenna array system onto the wall under study. The purposed detection system operated in UWB frequency spectrum (3.1 GHz to 10.6 GHz). Furthermore, an algorithm for hidden target detection has been developed. The results of the simulation of the designed antenna revealed a significant level of penetration, demonstrating a smart advancement in detecting and imaging system, to locate hidden metallic targets with good accuracy. A signal processing technique have been employed to improve the resolution of the target image. Using computer simulation technology (CST) software, the development and optimization process of an antenna is carried out, and the parametric performance of return loss, directivity and radiation pattern is evaluated.
Co-Authors Ezri Mohd Jawab Ali Muhammad Faiz Liew Abdullah Muhammad Suhaimi Sulong Noorsaliza Abdullah Norshidah Katiran Roshayati Yahya Sajjad Ahmed Zahriladha Zakaria