Numerical Study on Frequency Up-conversion in USPR using MATLAB
DC Field | Value | Language |
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dc.contributor.author | Roh, Young-Su | - |
dc.date.available | 2018-05-10T14:07:24Z | - |
dc.date.created | 2018-04-17 | - |
dc.date.issued | 2010-09 | - |
dc.identifier.issn | 1975-0102 | - |
dc.identifier.uri | http://scholarworks.bwise.kr/ssu/handle/2018.sw.ssu/14671 | - |
dc.description.abstract | In this paper, the O-mode ultrashort-pulse reflectometry (USPR) millimeter-wave signals that propagate into the plasma and cover a frequency bandwidth of 33-158 GHz are examined numerically using MATLAB. Two important processes are involved in the computation: the propagation of the USPR impulse signal through a waveguide and the frequency up-conversion using millimeter-wave mixers. These mixers are limited to intermediate frequency signals that are less than 500 mV; thus, it is necessary to disperse the impulse signal into a chirped waveform using the waveguide. The stationary phase method is utilized to derive a closed-form formula for a chirped waveform under the assumption that the USPR impulse is Gaussian. In the process of frequency up-conversion, the chirped waveform is mixed with the mixer LO signal, and the lower frequency components of the RF signal are removed using high pass filters. | - |
dc.publisher | KOREAN INST ELECTR ENG | - |
dc.relation.isPartOf | JOURNAL OF ELECTRICAL ENGINEERING & TECHNOLOGY | - |
dc.subject | ULTRASHORT-PULSE REFLECTOMETRY | - |
dc.subject | DENSITY PROFILE MEASUREMENTS | - |
dc.subject | SPHEROMAK PHYSICS EXPERIMENT | - |
dc.subject | SSPX | - |
dc.title | Numerical Study on Frequency Up-conversion in USPR using MATLAB | - |
dc.type | Article | - |
dc.type.rims | ART | - |
dc.identifier.bibliographicCitation | JOURNAL OF ELECTRICAL ENGINEERING & TECHNOLOGY, v.5, no.3, pp.497 - 502 | - |
dc.description.journalClass | 1 | - |
dc.identifier.wosid | 000282444500019 | - |
dc.identifier.scopusid | 2-s2.0-77956954032 | - |
dc.citation.endPage | 502 | - |
dc.citation.number | 3 | - |
dc.citation.startPage | 497 | - |
dc.citation.title | JOURNAL OF ELECTRICAL ENGINEERING & TECHNOLOGY | - |
dc.citation.volume | 5 | - |
dc.contributor.affiliatedAuthor | Roh, Young-Su | - |
dc.type.docType | Article | - |
dc.subject.keywordAuthor | Chirped waveform | - |
dc.subject.keywordAuthor | Frequency bandwidth | - |
dc.subject.keywordAuthor | Frequency up-conversion | - |
dc.subject.keywordAuthor | Method of stationary phase | - |
dc.subject.keywordAuthor | Ultrashort-pulse reflectometry | - |
dc.subject.keywordPlus | ULTRASHORT-PULSE REFLECTOMETRY | - |
dc.subject.keywordPlus | DENSITY PROFILE MEASUREMENTS | - |
dc.subject.keywordPlus | SPHEROMAK PHYSICS EXPERIMENT | - |
dc.subject.keywordPlus | SSPX | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
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