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Development of GPR system using high gain wideband antenna and microwave imaging technique for buried object detection

Doctor of Philosophy in Communication Engineering

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Bibliographic Details
Main Author: Mohd Nazri, A. Karim
Other Authors: Mohd Faizal, Jamlos, Assoc. Prof. Ir. Dr.
Format: Thesis
Language:English
Published: Universiti Malaysia Perlis (UniMAP) 2016
Subjects:
Ground penetrating radar
Microwave imaging
Imaging systems
Radar
Online Access:http://dspace.unimap.edu.my:80/xmlui/handle/123456789/75760
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spelling my.unimap-757602022-07-18T01:45:20Z Development of GPR system using high gain wideband antenna and microwave imaging technique for buried object detection Mohd Nazri, A. Karim Mohd Faizal, Jamlos, Assoc. Prof. Ir. Dr. Ground penetrating radar Microwave imaging Imaging systems Radar Doctor of Philosophy in Communication Engineering Ground Penetrating Radar (GPR) is one of the non-destructive methods which employ electromagnetic waves of frequency that ranges from few MHz to tens of GHz to map the buried features inside the ground or man-made structures. In transmitter and receiver parts of GPR, the demand for high gain, wideband and small antenna is increasing, owing to its benefits such as deeper signal penetration, ability to carry higher data rate and easy to handle particularly when space is a constraint. Instead of antenna, geological aspects such as soil types, humidity and soil temperature need to be considered as well since it has a significant effect to the GPR measurement performance. The GPR measurement results are much dependent on the geological aspects, for example, soil condition of different areas has different properties. The other important parameter of GPR system is the microwave imaging technique. This technique is required to map the buried object into 2-dimensinal graphical form and finally shows the overall performances of the GPR system. In order to fulfil these requirements, the methodology in this thesis is divided into three phases. In Phase I, the design of the Slotted Bowtie Antenna (SBA) and Notch Circular Patch (NCP) which have low ringing field, light weight and wideband characteristic frequency that ranges from 1.25 GHz to 3.0 GHz and 0.5 GHz to 3.0GHz respectively, is proposed. In order to obtain higher gain, a metallic reflector has been located at the back of the antennas and the performances of the proposed antenna in term of S-parameter, radiation pattern and gain is observed. The antennas are fabricated using Taconic TLY-5 and the measured performances are compared and analysed. Both antennas have a good agreement for simulated and measured results such as wide bandwidth which are higher than 60% for SBA and 150% for NCP antennas, higher gain more than 8 dB and have a directional radiation pattern. In Phase II the geological aspect, Eight (8) types of soil samples in local region (Perlis) have been collected to measure the dielectric properties in three (3) different condition which are normal (ambience), wet (10% water content) and dry (50oC). 2016 2022-07-18T01:45:19Z 2022-07-18T01:45:19Z Thesis http://dspace.unimap.edu.my:80/xmlui/handle/123456789/75760 en Universiti Malaysia Perlis (UniMAP) Universiti Malaysia Perlis (UniMAP) School of Computer and Communication Engineering
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Ground penetrating radar
Microwave imaging
Imaging systems
Radar
spellingShingle Ground penetrating radar
Microwave imaging
Imaging systems
Radar
Mohd Nazri, A. Karim
Development of GPR system using high gain wideband antenna and microwave imaging technique for buried object detection
description Doctor of Philosophy in Communication Engineering
author2 Mohd Faizal, Jamlos, Assoc. Prof. Ir. Dr.
author_facet Mohd Faizal, Jamlos, Assoc. Prof. Ir. Dr.
Mohd Nazri, A. Karim
format Thesis
author Mohd Nazri, A. Karim
author_sort Mohd Nazri, A. Karim
title Development of GPR system using high gain wideband antenna and microwave imaging technique for buried object detection
title_short Development of GPR system using high gain wideband antenna and microwave imaging technique for buried object detection
title_full Development of GPR system using high gain wideband antenna and microwave imaging technique for buried object detection
title_fullStr Development of GPR system using high gain wideband antenna and microwave imaging technique for buried object detection
title_full_unstemmed Development of GPR system using high gain wideband antenna and microwave imaging technique for buried object detection
title_sort development of gpr system using high gain wideband antenna and microwave imaging technique for buried object detection
publisher Universiti Malaysia Perlis (UniMAP)
publishDate 2016
url http://dspace.unimap.edu.my:80/xmlui/handle/123456789/75760
_version_ 1743108371401146368
score 13.222552

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