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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
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Committee Date Time Place Paper Title / Authors Abstract Paper #
EST, MW, EMT, OPE, MWPTHz, IEE-EMT [detail] 2023-07-21
09:35		 Hokkaido Muroran Institute of Technology
(Primary: On-site, Secondary: Online)		 Design and Optimization of Nine-Section Broadband Quadrature Hybrid Coupler Using Strip Line Structure
Taiyo Ushiyama, Tsuyoshi Narita, Sayu Tomioka, Satoshi Ono (UEC), Sho Masui, Takafumi Kojima (NAOJ), Takeshi Sakai (UEC) EMT2023-50 MW2023-68 OPE2023-50 EST2023-50 MWPTHz2023-46		 To upgrade the IF bandwidth of radio telescopes, we are developing a broadband quadrature hybrid coupler using strip lin... [more] EMT2023-50 MW2023-68 OPE2023-50 EST2023-50 MWPTHz2023-46
pp.208-213
MW 2022-06-09
14:00		 Nagano Naganoken Nokyo Building
(Primary: On-site, Secondary: Online)		 Design and fabrication of stripline type of quadrature hybrid couplers for 3 to 21 GHz band
Satoshi Ono, Tsuyoshi Narita (UEC), Sho Masui (OPU/NAOJ), Takafumi Kojima (NAOJ), Takeshi Sakai (UEC) MW2022-24		 In this study, design and fabrication of broadband quadrature hybrid couplers are shown. Broadside Stripline type of cou... [more] MW2022-24
pp.7-12
EST, MW, EMCJ, IEE-EMC [detail] 2021-10-08
13:50		 Online Online Design of a three-section-type Quadrature Hybrid Coupler using broad-side and offset coupled lines in stripline structure
Tsuyoshi Narita, Satoshi Ono, Koji Wada (UEC) EMCJ2021-49 MW2021-61 EST2021-51		 In this study, a three-section-type quadrature hybrid coupler for an IF(Intermediate frequency)-band image rejection mix... [more] EMCJ2021-49 MW2021-61 EST2021-51
pp.106-111
SIS 2020-03-06
11:00		 Saitama Saitama Hall
(Cancelled but technical report was issued)		 Detection of moving objects with different intensity using ring filters
Tsuyoshi Narita, Ryoto Nishiyama, Katsuya Kondo (Tottori Univ.) SIS2019-52		 Moving objects can be often detected by background subtracting or temporal differencing as the traditional approach. How... [more] SIS2019-52
pp.85-90
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