Concurrent Detection of Vibration and Distance Using Unmodulated CW Doppler Vibration Radar With An Adaptive Beam-Steering Antenna
A new method to concurrently detect the vibration and distance with a beam-steering antenna is proposed. Unmodulated CW Doppler vibration radar is able to detect the distance to the target with a fast-switching beam-steering antenna. An adaptive beam-steering 2 × 2 phase-array antenna is developed f...
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| Veröffentlicht in: | IEEE transactions on microwave theory and techniques 2015-06, Vol.63 (6), p.2069-2078 |
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| container_end_page | 2078 |
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| container_issue | 6 |
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| container_title | IEEE transactions on microwave theory and techniques |
| container_volume | 63 |
| creator | Nieh, Chien-Ming Wei, Changyu Lin, Jenshan |
| description | A new method to concurrently detect the vibration and distance with a beam-steering antenna is proposed. Unmodulated CW Doppler vibration radar is able to detect the distance to the target with a fast-switching beam-steering antenna. An adaptive beam-steering 2 × 2 phase-array antenna is developed for a 5.8-GHz Doppler noncontact vibration radar system. The antenna with -27 ° to +20 ° beam-steering angles shows 85 ° coverage for detection. The size of this adaptive beam-steering antenna is exactly the same as the original 2 × 2 fixed-beam antenna. This adaptive beam-steering antenna with electronic switches provides 0.83-ms fast-switching rate for steering the beams. Furthermore, different dc offsets due to different propagation paths are measured under different beam-steering angles. The distance to the target can be accurately extracted with less than 8% error by analyzing the dc offsets of the baseband signals at different beam-steering angles. This system successfully detects the architectural deformation caused by a seismic simulator. |
| doi_str_mv | 10.1109/TMTT.2015.2422692 |
| format | Article |
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Unmodulated CW Doppler vibration radar is able to detect the distance to the target with a fast-switching beam-steering antenna. An adaptive beam-steering 2 × 2 phase-array antenna is developed for a 5.8-GHz Doppler noncontact vibration radar system. The antenna with -27 ° to +20 ° beam-steering angles shows 85 ° coverage for detection. The size of this adaptive beam-steering antenna is exactly the same as the original 2 × 2 fixed-beam antenna. This adaptive beam-steering antenna with electronic switches provides 0.83-ms fast-switching rate for steering the beams. Furthermore, different dc offsets due to different propagation paths are measured under different beam-steering angles. The distance to the target can be accurately extracted with less than 8% error by analyzing the dc offsets of the baseband signals at different beam-steering angles. This system successfully detects the architectural deformation caused by a seismic simulator.</description><identifier>ISSN: 0018-9480</identifier><identifier>EISSN: 1557-9670</identifier><identifier>DOI: 10.1109/TMTT.2015.2422692</identifier><identifier>CODEN: IETMAB</identifier><language>eng</language><publisher>IEEE</publisher><subject>Adaptive arrays ; Antenna arrays ; beam steering ; CW radar ; dc offset ; Doppler radar ; human vital signs detection ; noncontact ; patch antenna ; phase shifter ; Phase shifters ; Radar ; Radar antennas ; Vibrations</subject><ispartof>IEEE transactions on microwave theory and techniques, 2015-06, Vol.63 (6), p.2069-2078</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c335t-8316ae5506a71545ceb311f63cf624dadf9a75d73a731920d981f63b54cf5bc13</citedby><cites>FETCH-LOGICAL-c335t-8316ae5506a71545ceb311f63cf624dadf9a75d73a731920d981f63b54cf5bc13</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/7100961$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27901,27902,54733</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/7100961$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Nieh, Chien-Ming</creatorcontrib><creatorcontrib>Wei, Changyu</creatorcontrib><creatorcontrib>Lin, Jenshan</creatorcontrib><title>Concurrent Detection of Vibration and Distance Using Unmodulated CW Doppler Vibration Radar With An Adaptive Beam-Steering Antenna</title><title>IEEE transactions on microwave theory and techniques</title><addtitle>TMTT</addtitle><description>A new method to concurrently detect the vibration and distance with a beam-steering antenna is proposed. Unmodulated CW Doppler vibration radar is able to detect the distance to the target with a fast-switching beam-steering antenna. An adaptive beam-steering 2 × 2 phase-array antenna is developed for a 5.8-GHz Doppler noncontact vibration radar system. The antenna with -27 ° to +20 ° beam-steering angles shows 85 ° coverage for detection. The size of this adaptive beam-steering antenna is exactly the same as the original 2 × 2 fixed-beam antenna. This adaptive beam-steering antenna with electronic switches provides 0.83-ms fast-switching rate for steering the beams. Furthermore, different dc offsets due to different propagation paths are measured under different beam-steering angles. The distance to the target can be accurately extracted with less than 8% error by analyzing the dc offsets of the baseband signals at different beam-steering angles. This system successfully detects the architectural deformation caused by a seismic simulator.</description><subject>Adaptive arrays</subject><subject>Antenna arrays</subject><subject>beam steering</subject><subject>CW radar</subject><subject>dc offset</subject><subject>Doppler radar</subject><subject>human vital signs detection</subject><subject>noncontact</subject><subject>patch antenna</subject><subject>phase shifter</subject><subject>Phase shifters</subject><subject>Radar</subject><subject>Radar antennas</subject><subject>Vibrations</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>eNpNkMtOwzAQRS0EEqXwAYiNfyDFE8dJvAwpL6kICVK6jBx7AkatEzkuElu-nAYqxGp0NffcxSHkHNgMgMnL6qGqZjEDMYuTOE5lfEAmIEQWyTRjh2TCGOSRTHJ2TE6G4X0XE8HyCfkqO6e33qMLdI4BdbCdo11LX2zj1U9QztC5HYJyGulysO6VLt2mM9u1CmhouaLzru_X6P8xT8ooT1c2vNHC0cKoPtgPpFeoNtFzQPTjSuECOqdOyVGr1gOe7e-ULG-uq_IuWjze3pfFItKcixDlHFKFQrBUZSASobHhAG3KdZvGiVGmlSoTJuMq4yBjZmQ-fhuR6FY0GviUwO-u9t0weGzr3tuN8p81sHqUWI8S61FivZe4Yy5-GYuIf_0MGJMp8G_7lW9V</recordid><startdate>20150601</startdate><enddate>20150601</enddate><creator>Nieh, Chien-Ming</creator><creator>Wei, Changyu</creator><creator>Lin, Jenshan</creator><general>IEEE</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20150601</creationdate><title>Concurrent Detection of Vibration and Distance Using Unmodulated CW Doppler Vibration Radar With An Adaptive Beam-Steering Antenna</title><author>Nieh, Chien-Ming ; Wei, Changyu ; Lin, Jenshan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c335t-8316ae5506a71545ceb311f63cf624dadf9a75d73a731920d981f63b54cf5bc13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Adaptive arrays</topic><topic>Antenna arrays</topic><topic>beam steering</topic><topic>CW radar</topic><topic>dc offset</topic><topic>Doppler radar</topic><topic>human vital signs detection</topic><topic>noncontact</topic><topic>patch antenna</topic><topic>phase shifter</topic><topic>Phase shifters</topic><topic>Radar</topic><topic>Radar antennas</topic><topic>Vibrations</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Nieh, Chien-Ming</creatorcontrib><creatorcontrib>Wei, Changyu</creatorcontrib><creatorcontrib>Lin, Jenshan</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>CrossRef</collection><jtitle>IEEE transactions on microwave theory and techniques</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Nieh, Chien-Ming</au><au>Wei, Changyu</au><au>Lin, Jenshan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Concurrent Detection of Vibration and Distance Using Unmodulated CW Doppler Vibration Radar With An Adaptive Beam-Steering Antenna</atitle><jtitle>IEEE transactions on microwave theory and techniques</jtitle><stitle>TMTT</stitle><date>2015-06-01</date><risdate>2015</risdate><volume>63</volume><issue>6</issue><spage>2069</spage><epage>2078</epage><pages>2069-2078</pages><issn>0018-9480</issn><eissn>1557-9670</eissn><coden>IETMAB</coden><abstract>A new method to concurrently detect the vibration and distance with a beam-steering antenna is proposed. Unmodulated CW Doppler vibration radar is able to detect the distance to the target with a fast-switching beam-steering antenna. An adaptive beam-steering 2 × 2 phase-array antenna is developed for a 5.8-GHz Doppler noncontact vibration radar system. The antenna with -27 ° to +20 ° beam-steering angles shows 85 ° coverage for detection. The size of this adaptive beam-steering antenna is exactly the same as the original 2 × 2 fixed-beam antenna. This adaptive beam-steering antenna with electronic switches provides 0.83-ms fast-switching rate for steering the beams. Furthermore, different dc offsets due to different propagation paths are measured under different beam-steering angles. The distance to the target can be accurately extracted with less than 8% error by analyzing the dc offsets of the baseband signals at different beam-steering angles. This system successfully detects the architectural deformation caused by a seismic simulator.</abstract><pub>IEEE</pub><doi>10.1109/TMTT.2015.2422692</doi><tpages>10</tpages></addata></record> |
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| source | IEEE Electronic Library (IEL) |
| subjects | Adaptive arrays Antenna arrays beam steering CW radar dc offset Doppler radar human vital signs detection noncontact patch antenna phase shifter Phase shifters Radar Radar antennas Vibrations |
| title | Concurrent Detection of Vibration and Distance Using Unmodulated CW Doppler Vibration Radar With An Adaptive Beam-Steering Antenna |
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