A Modified Bow-Tie Antenna for Improved Pulse Radiation
The analysis, design, and realization of a modified bow-tie antenna optimized for impulse ground penetrating radar (GPR) applications is described. The proposed antenna shows improved properties important for GPR, which include its compact size (in comparison with a conventional bow-tie antenna) and...
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| Veröffentlicht in: | IEEE transactions on antennas and propagation 2010-07, Vol.58 (7), p.2184-2192 |
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| container_title | IEEE transactions on antennas and propagation |
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| creator | Lestari, Andrian Andaya Bharata, Endon Suksmono, Andriyan Bayu Kurniawan, Adit Yarovoy, Alexander G Ligthart, Leo P |
| description | The analysis, design, and realization of a modified bow-tie antenna optimized for impulse ground penetrating radar (GPR) applications is described. The proposed antenna shows improved properties important for GPR, which include its compact size (in comparison with a conventional bow-tie antenna) and ability to radiate UWB pulses with increased amplitude and very small late-time ringing. A substantial increase in the amplitude of the transmitted pulse is achieved by utilizing radiation from discontinuities introduced by the resistive loading employed in the antenna to suppress late-time ringing. By choosing an optimal distance between the antenna's feed point and the location of the resistive loading, radiations that occur from the antenna's feed point and the mentioned discontinuities at the resistive loading will combine constructively in the boreside direction of the antenna. As a result, one will observe a substantial increase of the amplitude of the transmitted pulse in the boreside direction. Furthermore, an analytical expression describing approximate time-harmonic current distribution is derived to indicate an optimal resistive loading profile for the proposed antenna. Additionally, the traveling-wave current distribution of the antenna is theoretically analyzed to examine the applicability of the obtained time-harmonic expression for pulse excitation. It has been found that when the antenna is resistively loaded both the time-harmonic and traveling-wave currents decay to approach nearly the same value at the end section of the antenna. As the amount of current at the antenna ends corresponds to the level of reflection which occurs there, the derived expression is found to be useful to indicate an optimal loading profile for the proposed antenna. A theoretical model of the proposed antenna has been developed to perform numerical analysis using a modified NEC-2 code. In addition, an experimental verification has been carried out and both the simulation and experiment confirmed the improved properties of the proposed antenna. |
| doi_str_mv | 10.1109/TAP.2010.2048853 |
| format | Article |
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The proposed antenna shows improved properties important for GPR, which include its compact size (in comparison with a conventional bow-tie antenna) and ability to radiate UWB pulses with increased amplitude and very small late-time ringing. A substantial increase in the amplitude of the transmitted pulse is achieved by utilizing radiation from discontinuities introduced by the resistive loading employed in the antenna to suppress late-time ringing. By choosing an optimal distance between the antenna's feed point and the location of the resistive loading, radiations that occur from the antenna's feed point and the mentioned discontinuities at the resistive loading will combine constructively in the boreside direction of the antenna. As a result, one will observe a substantial increase of the amplitude of the transmitted pulse in the boreside direction. Furthermore, an analytical expression describing approximate time-harmonic current distribution is derived to indicate an optimal resistive loading profile for the proposed antenna. Additionally, the traveling-wave current distribution of the antenna is theoretically analyzed to examine the applicability of the obtained time-harmonic expression for pulse excitation. It has been found that when the antenna is resistively loaded both the time-harmonic and traveling-wave currents decay to approach nearly the same value at the end section of the antenna. As the amount of current at the antenna ends corresponds to the level of reflection which occurs there, the derived expression is found to be useful to indicate an optimal loading profile for the proposed antenna. A theoretical model of the proposed antenna has been developed to perform numerical analysis using a modified NEC-2 code. In addition, an experimental verification has been carried out and both the simulation and experiment confirmed the improved properties of the proposed antenna.</description><identifier>ISSN: 0018-926X</identifier><identifier>EISSN: 1558-2221</identifier><identifier>DOI: 10.1109/TAP.2010.2048853</identifier><identifier>CODEN: IETPAK</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Amplitudes ; Antenna feeds ; Antenna theory ; Antennas ; Bow-tie antenna ; Current distribution ; Design optimization ; Directive antennas ; Discontinuity ; Exact solutions ; Ground penetrating radar ; ground penetrating radar (GPR) ; Loaded antennas ; Optimization ; Position (location) ; Radar antennas ; Reflector antennas ; resistive loading ; Studies ; Ultra wideband antennas ; ultrawideband (UWB) antenna</subject><ispartof>IEEE transactions on antennas and propagation, 2010-07, Vol.58 (7), p.2184-2192</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) Jul 2010</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c370t-6881eef05f205a4e91939fc9181e3b57a5bf1e6270e4cd7d1df45b4c9ce1041c3</citedby><cites>FETCH-LOGICAL-c370t-6881eef05f205a4e91939fc9181e3b57a5bf1e6270e4cd7d1df45b4c9ce1041c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/5453013$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27901,27902,54733</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/5453013$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Lestari, Andrian Andaya</creatorcontrib><creatorcontrib>Bharata, Endon</creatorcontrib><creatorcontrib>Suksmono, Andriyan Bayu</creatorcontrib><creatorcontrib>Kurniawan, Adit</creatorcontrib><creatorcontrib>Yarovoy, Alexander G</creatorcontrib><creatorcontrib>Ligthart, Leo P</creatorcontrib><title>A Modified Bow-Tie Antenna for Improved Pulse Radiation</title><title>IEEE transactions on antennas and propagation</title><addtitle>TAP</addtitle><description>The analysis, design, and realization of a modified bow-tie antenna optimized for impulse ground penetrating radar (GPR) applications is described. The proposed antenna shows improved properties important for GPR, which include its compact size (in comparison with a conventional bow-tie antenna) and ability to radiate UWB pulses with increased amplitude and very small late-time ringing. A substantial increase in the amplitude of the transmitted pulse is achieved by utilizing radiation from discontinuities introduced by the resistive loading employed in the antenna to suppress late-time ringing. By choosing an optimal distance between the antenna's feed point and the location of the resistive loading, radiations that occur from the antenna's feed point and the mentioned discontinuities at the resistive loading will combine constructively in the boreside direction of the antenna. As a result, one will observe a substantial increase of the amplitude of the transmitted pulse in the boreside direction. Furthermore, an analytical expression describing approximate time-harmonic current distribution is derived to indicate an optimal resistive loading profile for the proposed antenna. Additionally, the traveling-wave current distribution of the antenna is theoretically analyzed to examine the applicability of the obtained time-harmonic expression for pulse excitation. It has been found that when the antenna is resistively loaded both the time-harmonic and traveling-wave currents decay to approach nearly the same value at the end section of the antenna. As the amount of current at the antenna ends corresponds to the level of reflection which occurs there, the derived expression is found to be useful to indicate an optimal loading profile for the proposed antenna. A theoretical model of the proposed antenna has been developed to perform numerical analysis using a modified NEC-2 code. In addition, an experimental verification has been carried out and both the simulation and experiment confirmed the improved properties of the proposed antenna.</description><subject>Amplitudes</subject><subject>Antenna feeds</subject><subject>Antenna theory</subject><subject>Antennas</subject><subject>Bow-tie antenna</subject><subject>Current distribution</subject><subject>Design optimization</subject><subject>Directive antennas</subject><subject>Discontinuity</subject><subject>Exact solutions</subject><subject>Ground penetrating radar</subject><subject>ground penetrating radar (GPR)</subject><subject>Loaded antennas</subject><subject>Optimization</subject><subject>Position (location)</subject><subject>Radar antennas</subject><subject>Reflector antennas</subject><subject>resistive loading</subject><subject>Studies</subject><subject>Ultra wideband antennas</subject><subject>ultrawideband (UWB) antenna</subject><issn>0018-926X</issn><issn>1558-2221</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpdkM1LAzEQxYMoWKt3wcuCB09bM_nYzR7X4kehYpEK3kKanUBKu6mbXcX_3pSKB0_DvPm9YeYRcgl0AkCr22W9mDCaOkaFUpIfkRFIqXLGGByTEaWg8ooV76fkLMZ1aoUSYkTKOnsOjXcem-wufOVLj1nd9ti2JnOhy2bbXRc-03AxbCJmr6bxpvehPScnziTl4reOydvD_XL6lM9fHmfTep5bXtI-L5QCREelY1QagRVUvHK2giTzlSyNXDnAgpUUhW3KBhon5ErYyiJQAZaPyc1hbzrjY8DY662PFjcb02IYolagFIcyPTwm1__IdRi6Nh2ngbKScaoKSBQ9ULYLMXbo9K7zW9N9J0jvg9QpSL0PUv8GmSxXB4tHxD9cCskpcP4D40ZsTA</recordid><startdate>201007</startdate><enddate>201007</enddate><creator>Lestari, Andrian Andaya</creator><creator>Bharata, Endon</creator><creator>Suksmono, Andriyan Bayu</creator><creator>Kurniawan, Adit</creator><creator>Yarovoy, Alexander G</creator><creator>Ligthart, Leo P</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>8FD</scope><scope>L7M</scope><scope>F28</scope><scope>FR3</scope></search><sort><creationdate>201007</creationdate><title>A Modified Bow-Tie Antenna for Improved Pulse Radiation</title><author>Lestari, Andrian Andaya ; Bharata, Endon ; Suksmono, Andriyan Bayu ; Kurniawan, Adit ; Yarovoy, Alexander G ; Ligthart, Leo P</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c370t-6881eef05f205a4e91939fc9181e3b57a5bf1e6270e4cd7d1df45b4c9ce1041c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Amplitudes</topic><topic>Antenna feeds</topic><topic>Antenna theory</topic><topic>Antennas</topic><topic>Bow-tie antenna</topic><topic>Current distribution</topic><topic>Design optimization</topic><topic>Directive antennas</topic><topic>Discontinuity</topic><topic>Exact solutions</topic><topic>Ground penetrating radar</topic><topic>ground penetrating radar (GPR)</topic><topic>Loaded antennas</topic><topic>Optimization</topic><topic>Position (location)</topic><topic>Radar antennas</topic><topic>Reflector antennas</topic><topic>resistive loading</topic><topic>Studies</topic><topic>Ultra wideband antennas</topic><topic>ultrawideband (UWB) antenna</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lestari, Andrian Andaya</creatorcontrib><creatorcontrib>Bharata, Endon</creatorcontrib><creatorcontrib>Suksmono, Andriyan Bayu</creatorcontrib><creatorcontrib>Kurniawan, Adit</creatorcontrib><creatorcontrib>Yarovoy, Alexander G</creatorcontrib><creatorcontrib>Ligthart, Leo P</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005–Present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998–Present</collection><collection>IEEE Xplore</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><jtitle>IEEE transactions on antennas and propagation</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Lestari, Andrian Andaya</au><au>Bharata, Endon</au><au>Suksmono, Andriyan Bayu</au><au>Kurniawan, Adit</au><au>Yarovoy, Alexander G</au><au>Ligthart, Leo P</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A Modified Bow-Tie Antenna for Improved Pulse Radiation</atitle><jtitle>IEEE transactions on antennas and propagation</jtitle><stitle>TAP</stitle><date>2010-07</date><risdate>2010</risdate><volume>58</volume><issue>7</issue><spage>2184</spage><epage>2192</epage><pages>2184-2192</pages><issn>0018-926X</issn><eissn>1558-2221</eissn><coden>IETPAK</coden><abstract>The analysis, design, and realization of a modified bow-tie antenna optimized for impulse ground penetrating radar (GPR) applications is described. The proposed antenna shows improved properties important for GPR, which include its compact size (in comparison with a conventional bow-tie antenna) and ability to radiate UWB pulses with increased amplitude and very small late-time ringing. A substantial increase in the amplitude of the transmitted pulse is achieved by utilizing radiation from discontinuities introduced by the resistive loading employed in the antenna to suppress late-time ringing. By choosing an optimal distance between the antenna's feed point and the location of the resistive loading, radiations that occur from the antenna's feed point and the mentioned discontinuities at the resistive loading will combine constructively in the boreside direction of the antenna. As a result, one will observe a substantial increase of the amplitude of the transmitted pulse in the boreside direction. Furthermore, an analytical expression describing approximate time-harmonic current distribution is derived to indicate an optimal resistive loading profile for the proposed antenna. Additionally, the traveling-wave current distribution of the antenna is theoretically analyzed to examine the applicability of the obtained time-harmonic expression for pulse excitation. It has been found that when the antenna is resistively loaded both the time-harmonic and traveling-wave currents decay to approach nearly the same value at the end section of the antenna. As the amount of current at the antenna ends corresponds to the level of reflection which occurs there, the derived expression is found to be useful to indicate an optimal loading profile for the proposed antenna. A theoretical model of the proposed antenna has been developed to perform numerical analysis using a modified NEC-2 code. In addition, an experimental verification has been carried out and both the simulation and experiment confirmed the improved properties of the proposed antenna.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/TAP.2010.2048853</doi><tpages>9</tpages></addata></record> |
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| subjects | Amplitudes Antenna feeds Antenna theory Antennas Bow-tie antenna Current distribution Design optimization Directive antennas Discontinuity Exact solutions Ground penetrating radar ground penetrating radar (GPR) Loaded antennas Optimization Position (location) Radar antennas Reflector antennas resistive loading Studies Ultra wideband antennas ultrawideband (UWB) antenna |
| title | A Modified Bow-Tie Antenna for Improved Pulse Radiation |
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