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Water Antenna

Water antennas is a type of liquid antennas, which have become the most popular in recent years. They have appeared to be alternatives to traditional antennas for many applications especially in naval, maritime communication and wireless communication. The purpose of this thesis is to present an exh...

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Bibliographic Details
Main Author:	Ikhwan, Nur Iwana Mohd
Format:	Monograph
Language:	English
Published:	Universiti Sains Malaysia 2017
Subjects:	T Technology TK Electrical Engineering. Electronics. Nuclear Engineering
Online Access:	http://eprints.usm.my/53089/1/Water%20Antenna_Nur%20Iwana%20Mohd%20Ikhwan_E3_2017.pdf http://eprints.usm.my/53089/
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id	my.usm.eprints.53089
record_format	eprints
spelling	my.usm.eprints.53089 http://eprints.usm.my/53089/ Water Antenna Ikhwan, Nur Iwana Mohd T Technology TK Electrical Engineering. Electronics. Nuclear Engineering Water antennas is a type of liquid antennas, which have become the most popular in recent years. They have appeared to be alternatives to traditional antennas for many applications especially in naval, maritime communication and wireless communication. The purpose of this thesis is to present an exhaustive study about water antenna, aiming at obtaining a better understanding of water antennas that utilizing liquid. The upper and the bottom (base) part of the water antenna is made up from an acrylic material. The acrylic cylinder is chosen due to its transparency. The specifications of the acrylic tube are; height=200mm, thickness=2mm, and diameter=2mm. FR4 is used as the substrate and copper is used as the ground plane with a circular shape and dimension of 100x100mm. The acrylic base has the same dimension as the substrate and copper. Most of the traditional water antenna are using a pure water and sea water as the medium of the antenna because it is low cost and easily accessible. The traditional water antenna usually has a low-performance level where its resonant frequency and radiation efficiency are low and the bandwidth is narrow. Therefore, the aim of this project is to design a water antenna that has a better performance compared to traditional water antenna. Various type of liquids is sampled and analyzed in terms of its resonant frequency and bandwidth such as pure water, distilled water, mineral water, sugar syrup, salt water, sea water, rain water, river water, and “zam zam” water. The resonant frequency, bandwidth, gain, and radiation pattern are of particular interests. The volume of the water in the acrylic tube is adjusted in order to tune the resonant frequency. The analysis is done by using the RF equipment for each 20mm with a range of 0-180mm water level. Based on the measurement that had been carried out by using the Network Analyzer, distilled water was chosen as the medium to design the antenna since it has the widest bandwidth and high resonant frequency. For instance, by using 20mm of distilled water the antenna could have a high resonant frequency which is 2.728GHz, return loss at -15.76 Universiti Sains Malaysia 2017-06-01 Monograph NonPeerReviewed application/pdf en http://eprints.usm.my/53089/1/Water%20Antenna_Nur%20Iwana%20Mohd%20Ikhwan_E3_2017.pdf Ikhwan, Nur Iwana Mohd (2017) Water Antenna. Project Report. Universiti Sains Malaysia, Pusat Pengajian Kejuruteraan Elektrik & Elektronik. (Submitted)
institution	Universiti Sains Malaysia
building	Hamzah Sendut Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Sains Malaysia
content_source	USM Institutional Repository
url_provider	http://eprints.usm.my/
language	English
topic	T Technology TK Electrical Engineering. Electronics. Nuclear Engineering
spellingShingle	T Technology TK Electrical Engineering. Electronics. Nuclear Engineering Ikhwan, Nur Iwana Mohd Water Antenna
description	Water antennas is a type of liquid antennas, which have become the most popular in recent years. They have appeared to be alternatives to traditional antennas for many applications especially in naval, maritime communication and wireless communication. The purpose of this thesis is to present an exhaustive study about water antenna, aiming at obtaining a better understanding of water antennas that utilizing liquid. The upper and the bottom (base) part of the water antenna is made up from an acrylic material. The acrylic cylinder is chosen due to its transparency. The specifications of the acrylic tube are; height=200mm, thickness=2mm, and diameter=2mm. FR4 is used as the substrate and copper is used as the ground plane with a circular shape and dimension of 100x100mm. The acrylic base has the same dimension as the substrate and copper. Most of the traditional water antenna are using a pure water and sea water as the medium of the antenna because it is low cost and easily accessible. The traditional water antenna usually has a low-performance level where its resonant frequency and radiation efficiency are low and the bandwidth is narrow. Therefore, the aim of this project is to design a water antenna that has a better performance compared to traditional water antenna. Various type of liquids is sampled and analyzed in terms of its resonant frequency and bandwidth such as pure water, distilled water, mineral water, sugar syrup, salt water, sea water, rain water, river water, and “zam zam” water. The resonant frequency, bandwidth, gain, and radiation pattern are of particular interests. The volume of the water in the acrylic tube is adjusted in order to tune the resonant frequency. The analysis is done by using the RF equipment for each 20mm with a range of 0-180mm water level. Based on the measurement that had been carried out by using the Network Analyzer, distilled water was chosen as the medium to design the antenna since it has the widest bandwidth and high resonant frequency. For instance, by using 20mm of distilled water the antenna could have a high resonant frequency which is 2.728GHz, return loss at -15.76
format	Monograph
author	Ikhwan, Nur Iwana Mohd
author_facet	Ikhwan, Nur Iwana Mohd
author_sort	Ikhwan, Nur Iwana Mohd
title	Water Antenna
title_short	Water Antenna
title_full	Water Antenna
title_fullStr	Water Antenna
title_full_unstemmed	Water Antenna
title_sort	water antenna
publisher	Universiti Sains Malaysia
publishDate	2017
url	http://eprints.usm.my/53089/1/Water%20Antenna_Nur%20Iwana%20Mohd%20Ikhwan_E3_2017.pdf http://eprints.usm.my/53089/
_version_	1736834801744216064
score	13.211869

Water Antenna

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