Design of a Traveling-Wave Slot Array Power Divider Using the Method of Moments and a Genetic Algorithm
A 1-to-25-way uniform amplitude and linear phase power divider, using slotted rectangular waveguides in the traveling-wave mode, is designed to cover the 71-77-GHz band. The design employs the scattering parameters of three-port couplers computed from the method of moments (MoM) solution to the inte...
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| Veröffentlicht in: | IEEE transactions on microwave theory and techniques 2015-12, Vol.63 (12), p.3981-3987 |
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| container_title | IEEE transactions on microwave theory and techniques |
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| creator | Rengarajan, Sembiam R. Lynch, Jonathan J. |
| description | A 1-to-25-way uniform amplitude and linear phase power divider, using slotted rectangular waveguides in the traveling-wave mode, is designed to cover the 71-77-GHz band. The design employs the scattering parameters of three-port couplers computed from the method of moments (MoM) solution to the integral equation of the slot aperture field. Subsequent genetic algorithm (GA) optimization is aimed at maximizing the return loss and combining efficiency and flatness of coupling amplitudes in the whole frequency band. GA utilizes the MoM solution to the coupled integral equations of slot apertures in the entire power divider structure. Simulations indicate the optimized power divider yielding better than 26-dB return loss and greater than 86% efficiency in the 71-77-GHz band for the power divider combiner connected back to back. Computed MoM results have been validated by the commercial code HFSS and also by experimentally measured results. The measured insertion loss of two back-to-back divider-combiners is about 2 dB. |
| doi_str_mv | 10.1109/TMTT.2015.2495099 |
| format | Article |
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The design employs the scattering parameters of three-port couplers computed from the method of moments (MoM) solution to the integral equation of the slot aperture field. Subsequent genetic algorithm (GA) optimization is aimed at maximizing the return loss and combining efficiency and flatness of coupling amplitudes in the whole frequency band. GA utilizes the MoM solution to the coupled integral equations of slot apertures in the entire power divider structure. Simulations indicate the optimized power divider yielding better than 26-dB return loss and greater than 86% efficiency in the 71-77-GHz band for the power divider combiner connected back to back. Computed MoM results have been validated by the commercial code HFSS and also by experimentally measured results. The measured insertion loss of two back-to-back divider-combiners is about 2 dB.</description><identifier>ISSN: 0018-9480</identifier><identifier>EISSN: 1557-9670</identifier><identifier>DOI: 10.1109/TMTT.2015.2495099</identifier><identifier>CODEN: IETMAB</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Arrays ; Couplers ; Couplings ; Genetic algorithm optimization ; Genetic algorithms ; Method of moments ; Ports (Computers) ; power combiner ; power divider ; Power dividers ; slot array ; slotted waveguide ; Spectrum allocation ; traveling wave</subject><ispartof>IEEE transactions on microwave theory and techniques, 2015-12, Vol.63 (12), p.3981-3987</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) Dec 2015</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c429t-1a7dea3c7b4dcd0537294885aa44ba4183e3d09de8b384a23ce878c7f50d287b3</citedby><cites>FETCH-LOGICAL-c429t-1a7dea3c7b4dcd0537294885aa44ba4183e3d09de8b384a23ce878c7f50d287b3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/7321060$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27901,27902,54733</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/7321060$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Rengarajan, Sembiam R.</creatorcontrib><creatorcontrib>Lynch, Jonathan J.</creatorcontrib><title>Design of a Traveling-Wave Slot Array Power Divider Using the Method of Moments and a Genetic Algorithm</title><title>IEEE transactions on microwave theory and techniques</title><addtitle>TMTT</addtitle><description>A 1-to-25-way uniform amplitude and linear phase power divider, using slotted rectangular waveguides in the traveling-wave mode, is designed to cover the 71-77-GHz band. The design employs the scattering parameters of three-port couplers computed from the method of moments (MoM) solution to the integral equation of the slot aperture field. Subsequent genetic algorithm (GA) optimization is aimed at maximizing the return loss and combining efficiency and flatness of coupling amplitudes in the whole frequency band. GA utilizes the MoM solution to the coupled integral equations of slot apertures in the entire power divider structure. Simulations indicate the optimized power divider yielding better than 26-dB return loss and greater than 86% efficiency in the 71-77-GHz band for the power divider combiner connected back to back. Computed MoM results have been validated by the commercial code HFSS and also by experimentally measured results. The measured insertion loss of two back-to-back divider-combiners is about 2 dB.</description><subject>Arrays</subject><subject>Couplers</subject><subject>Couplings</subject><subject>Genetic algorithm optimization</subject><subject>Genetic algorithms</subject><subject>Method of moments</subject><subject>Ports (Computers)</subject><subject>power combiner</subject><subject>power divider</subject><subject>Power dividers</subject><subject>slot array</subject><subject>slotted waveguide</subject><subject>Spectrum allocation</subject><subject>traveling wave</subject><issn>0018-9480</issn><issn>1557-9670</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kFFLwzAUhYMoOKc_QHwJ-NyZNOmSPI5Np7ChYIePIW3uuo6umUk32b83ZeLTuRe-c-7lIHRPyYhSop7yZZ6PUkKzUcpVRpS6QAOaZSJRY0Eu0YAQKhPFJblGNyFs48ozIgeomkGoqxa7NTY49-YITd1WyVcc8GfjOjzx3pzwh_sBj2f1sbZRVyEyuNsAXkK3cbZ3L90O2i5g09qYNIcWurrEk6Zyvu42u1t0tTZNgLs_HaLVy3M-fU0W7_O36WSRlDxVXUKNsGBYKQpuS0syJtL4tMyM4bwwnEoGzBJlQRZMcpOyEqSQpVhnxKZSFGyIHs-5e---DxA6vXUH38aTmgrOZSpjXKTomSq9C8HDWu99vTP-pCnRfZ-671P3feq_PqPn4eypAeCfFyylZEzYL4aAcOw</recordid><startdate>20151201</startdate><enddate>20151201</enddate><creator>Rengarajan, Sembiam R.</creator><creator>Lynch, Jonathan J.</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></search><sort><creationdate>20151201</creationdate><title>Design of a Traveling-Wave Slot Array Power Divider Using the Method of Moments and a Genetic Algorithm</title><author>Rengarajan, Sembiam R. ; Lynch, Jonathan J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c429t-1a7dea3c7b4dcd0537294885aa44ba4183e3d09de8b384a23ce878c7f50d287b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Arrays</topic><topic>Couplers</topic><topic>Couplings</topic><topic>Genetic algorithm optimization</topic><topic>Genetic algorithms</topic><topic>Method of moments</topic><topic>Ports (Computers)</topic><topic>power combiner</topic><topic>power divider</topic><topic>Power dividers</topic><topic>slot array</topic><topic>slotted waveguide</topic><topic>Spectrum allocation</topic><topic>traveling wave</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Rengarajan, Sembiam R.</creatorcontrib><creatorcontrib>Lynch, Jonathan J.</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><jtitle>IEEE transactions on microwave theory and techniques</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Rengarajan, Sembiam R.</au><au>Lynch, Jonathan J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Design of a Traveling-Wave Slot Array Power Divider Using the Method of Moments and a Genetic Algorithm</atitle><jtitle>IEEE transactions on microwave theory and techniques</jtitle><stitle>TMTT</stitle><date>2015-12-01</date><risdate>2015</risdate><volume>63</volume><issue>12</issue><spage>3981</spage><epage>3987</epage><pages>3981-3987</pages><issn>0018-9480</issn><eissn>1557-9670</eissn><coden>IETMAB</coden><abstract>A 1-to-25-way uniform amplitude and linear phase power divider, using slotted rectangular waveguides in the traveling-wave mode, is designed to cover the 71-77-GHz band. The design employs the scattering parameters of three-port couplers computed from the method of moments (MoM) solution to the integral equation of the slot aperture field. Subsequent genetic algorithm (GA) optimization is aimed at maximizing the return loss and combining efficiency and flatness of coupling amplitudes in the whole frequency band. GA utilizes the MoM solution to the coupled integral equations of slot apertures in the entire power divider structure. Simulations indicate the optimized power divider yielding better than 26-dB return loss and greater than 86% efficiency in the 71-77-GHz band for the power divider combiner connected back to back. Computed MoM results have been validated by the commercial code HFSS and also by experimentally measured results. The measured insertion loss of two back-to-back divider-combiners is about 2 dB.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/TMTT.2015.2495099</doi><tpages>7</tpages></addata></record> |
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| source | IEEE Xplore |
| subjects | Arrays Couplers Couplings Genetic algorithm optimization Genetic algorithms Method of moments Ports (Computers) power combiner power divider Power dividers slot array slotted waveguide Spectrum allocation traveling wave |
| title | Design of a Traveling-Wave Slot Array Power Divider Using the Method of Moments and a Genetic Algorithm |
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