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Optimizing the directivity diagram of underwater acoustic wide band antennas
We describe the development of multisensor antennas in a specified band of frequencies using beamforming and processing techniques. This method is based on the spatial positioning of omnidirectional transducers and the use of specific professing in order to maintain the directivity diagram constant...
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creator | Boizard, J.L. Legrand, F. Gonneau, E. |
description | We describe the development of multisensor antennas in a specified band of frequencies using beamforming and processing techniques. This method is based on the spatial positioning of omnidirectional transducers and the use of specific professing in order to maintain the directivity diagram constant over the whole frequency band of interest. The digital signal processing algorithms associated with each transducer are based on RIF filters. The corresponding coefficients of the filters are determined by optimizing the desired antenna directivity diagram. We first present the method used, then the theoretical results together with those obtained during the experiment. Finally, we present some possibilities for making the hardware part of a real-time signal processing system suitable for such an antenna. |
doi_str_mv | 10.1109/UT.1998.670067 |
format | conference_proceeding |
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This method is based on the spatial positioning of omnidirectional transducers and the use of specific professing in order to maintain the directivity diagram constant over the whole frequency band of interest. The digital signal processing algorithms associated with each transducer are based on RIF filters. The corresponding coefficients of the filters are determined by optimizing the desired antenna directivity diagram. We first present the method used, then the theoretical results together with those obtained during the experiment. Finally, we present some possibilities for making the hardware part of a real-time signal processing system suitable for such an antenna.</description><identifier>ISBN: 9780780342736</identifier><identifier>ISBN: 0780342739</identifier><identifier>DOI: 10.1109/UT.1998.670067</identifier><language>eng</language><publisher>IEEE</publisher><subject>Acoustic transducers ; Array signal processing ; Digital filters ; Digital signal processing ; Frequency ; Hardware ; Real time systems ; Signal processing algorithms ; Underwater acoustics ; Wideband</subject><ispartof>Proceedings of 1998 International Symposium on Underwater Technology, 1998, p.93-97</ispartof><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/670067$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>309,310,780,784,789,790,2058,4050,4051,27925,54920</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/670067$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Boizard, J.L.</creatorcontrib><creatorcontrib>Legrand, F.</creatorcontrib><creatorcontrib>Gonneau, E.</creatorcontrib><title>Optimizing the directivity diagram of underwater acoustic wide band antennas</title><title>Proceedings of 1998 International Symposium on Underwater Technology</title><addtitle>UT</addtitle><description>We describe the development of multisensor antennas in a specified band of frequencies using beamforming and processing techniques. This method is based on the spatial positioning of omnidirectional transducers and the use of specific professing in order to maintain the directivity diagram constant over the whole frequency band of interest. The digital signal processing algorithms associated with each transducer are based on RIF filters. The corresponding coefficients of the filters are determined by optimizing the desired antenna directivity diagram. We first present the method used, then the theoretical results together with those obtained during the experiment. Finally, we present some possibilities for making the hardware part of a real-time signal processing system suitable for such an antenna.</description><subject>Acoustic transducers</subject><subject>Array signal processing</subject><subject>Digital filters</subject><subject>Digital signal processing</subject><subject>Frequency</subject><subject>Hardware</subject><subject>Real time systems</subject><subject>Signal processing algorithms</subject><subject>Underwater acoustics</subject><subject>Wideband</subject><isbn>9780780342736</isbn><isbn>0780342739</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>1998</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><recordid>eNotj8tqwzAURAWl0JJ6m0VX-gG7kmW9liX0BYZsknW4lq5SlVoJstKQfn0N6TBwzmpgCFly1nDO7NN203BrTaM0Y0rfkMpqw-aKrtVC3ZFqmr7YHCmNFfye9OtjiWP8jWlPyydSHzO6En9iucwO-wwjPQR6Sh7zGQpmCu5wmkp09Bw90gGSp5AKpgTTA7kN8D1h9c8F2b6-bFbvdb9--1g993Xkuit1CFawgNxbLbWXg-lAzOy48hy9VTIEGJTxAVoJHqRTQVntnA4aWmVQLMjjdTci4u6Y4wj5srteFn9k3E2Z</recordid><startdate>1998</startdate><enddate>1998</enddate><creator>Boizard, J.L.</creator><creator>Legrand, F.</creator><creator>Gonneau, E.</creator><general>IEEE</general><scope>6IE</scope><scope>6IL</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIL</scope></search><sort><creationdate>1998</creationdate><title>Optimizing the directivity diagram of underwater acoustic wide band antennas</title><author>Boizard, J.L. ; Legrand, F. ; Gonneau, E.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i174t-ff930fe1d9757d5b84a37d5416d1ed965ffab68dfa25ada5c6f697cc7f7a268e3</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>1998</creationdate><topic>Acoustic transducers</topic><topic>Array signal processing</topic><topic>Digital filters</topic><topic>Digital signal processing</topic><topic>Frequency</topic><topic>Hardware</topic><topic>Real time systems</topic><topic>Signal processing algorithms</topic><topic>Underwater acoustics</topic><topic>Wideband</topic><toplevel>online_resources</toplevel><creatorcontrib>Boizard, J.L.</creatorcontrib><creatorcontrib>Legrand, F.</creatorcontrib><creatorcontrib>Gonneau, E.</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan All Online (POP All Online) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE Xplore</collection><collection>IEEE Proceedings Order Plans (POP All) 1998-Present</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Boizard, J.L.</au><au>Legrand, F.</au><au>Gonneau, E.</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Optimizing the directivity diagram of underwater acoustic wide band antennas</atitle><btitle>Proceedings of 1998 International Symposium on Underwater Technology</btitle><stitle>UT</stitle><date>1998</date><risdate>1998</risdate><spage>93</spage><epage>97</epage><pages>93-97</pages><isbn>9780780342736</isbn><isbn>0780342739</isbn><abstract>We describe the development of multisensor antennas in a specified band of frequencies using beamforming and processing techniques. This method is based on the spatial positioning of omnidirectional transducers and the use of specific professing in order to maintain the directivity diagram constant over the whole frequency band of interest. The digital signal processing algorithms associated with each transducer are based on RIF filters. The corresponding coefficients of the filters are determined by optimizing the desired antenna directivity diagram. We first present the method used, then the theoretical results together with those obtained during the experiment. Finally, we present some possibilities for making the hardware part of a real-time signal processing system suitable for such an antenna.</abstract><pub>IEEE</pub><doi>10.1109/UT.1998.670067</doi><tpages>5</tpages></addata></record> |
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language | eng |
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source | IEEE Electronic Library (IEL) Conference Proceedings |
subjects | Acoustic transducers Array signal processing Digital filters Digital signal processing Frequency Hardware Real time systems Signal processing algorithms Underwater acoustics Wideband |
title | Optimizing the directivity diagram of underwater acoustic wide band antennas |
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