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Search Results: Conference Papers
 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 108  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
SAT, RCS
(Joint)
2022-08-26
13:20
Hokkaido
(Primary: On-site, Secondary: Online)
[Special Talk] Activities and Future Prospects of Space ICT Promotion Initiative Forum (SPIF)
Morio Toyoshima, Yasuhiro Takahashi, Amane Miura (NICT), Hisanori Tsuji (Astroterrace), Akihiro Nakao, Shinichi Nakasuka (Univ. Tokyo)
(To be available after the conference date) [more]
SAT, RCS
(Joint)
2022-08-26
15:20
Hokkaido
(Primary: On-site, Secondary: Online)
First Experimental Results on Ground-to-Satellite Optical Communications Using LUCAS Onboard Optical Data Relay Satellite
Hideaki Kotake, Yuma Abe, Yasuhiro Takahashi, Takuya Okura, Tetsuharu Fuse (NICT), Yohei Sato, Takamasa Itahashi, Shiro Yamakawa (JAXA), Hiroyuki Tsuji, Morio Toyoshima (NICT)
(To be available after the conference date) [more]
SAT, RCS
(Joint)
2022-08-26
15:45
Hokkaido
(Primary: On-site, Secondary: Online)
Preliminary Analytical Results of Atmospheric Turbulence Parameters Using "LUCAS" Onboard Optical Data Relay Satellite
Yuma Abe, Hideaki Kotake, Yoshihiko Saito, Kolev Dimitar, Yasuhiro Takahashi, Takuya Okura, Tetsuharu Fuse (NICT), Yohei Satoh, Takamasa Itahashi, Shiro Yamakawa (JAXA), Hiroyuki Tsuji, Morio Toyoshima (NICT)
 [more]
QIT
(2nd)
2021-12-01
14:00
Online Online Divide-and-conquer verification method for noisy intermediate-scale quantum computation
Yuki Takeuchi, Yasuhiro Takahashi (NTT), Tomoyuki Morimae (Kyoto Univ.), Seiichiro Tani (NTT)
Several noisy intermediate-scale quantum computations can be regarded as logarithmic-depth quantum circuits on a sparse ... [more]
COMP 2021-03-08
14:45
Online Online Classically Simulating Quantum Circuits with Local Depolarizing Noise
Yasuhiro Takahashi, Yuki Takeuchi, Seiichiro Tani (NTT) COMP2020-33
We study the effect of noise on the classical simulatability of quantum circuits defined by computationally tractable (C... [more] COMP2020-33
pp.26-29
QIT
(2nd)
2020-12-10
16:30
Online Online Classically Simulating Quantum Circuits with Local Depolarizing Noise
Yasuhiro Takahashi, Yuki Takeuchi, Seiichiro Tani (NTT)
We study the effect of noise on the classical simulatability of quantum circuits defined by computationally tractable (C... [more]
MW 2019-12-19
10:30
Gifu Gifu Unif. Satellite Campus Basic theory of S-parameter measurement where calibration and measurement are performed simultaneously
Toshikazu Sekine, Yasuhiro Takahashi (Gifu Univ.), Noboru Maeda, Shinji Fukui (SOKEN), Yasuyuki Ishikawa, Ko Oyama (DENSO) MW2019-118
 [more] MW2019-118
pp.1-4
MW 2019-12-19
10:55
Gifu Gifu Unif. Satellite Campus Recursive Method for S-parameter Indirect Measurement
Noboru Maeda, Shinji Fukui (SOKEN), Toshikazu Sekine, Yasuhiro Takahashi (Gifu Univ.) MW2019-119
A measurement method for the S-parameters of a multiport reciprocal circuit is reported where the majority of the ports ... [more] MW2019-119
pp.5-10
NLP, CAS 2019-10-22
10:40
Gifu Gifu Univ. Basic considerations for activation of negative group delay circuit consisting of resonators
Toshikazu Sekine, Yasuhiro Takahashi (Gifu Univ.) CAS2019-27 NLP2019-67
 [more] CAS2019-27 NLP2019-67
pp.23-27
WPT, MW 2019-04-22
14:45
Tokyo Kikai-Shinko-Kaikan Bldg. Negative Group Delay Circuit Using Nonuniform Transmission Line
Tomohiro Ikkai, Toshikazu Sekine, Yasuhiro Takahashi (Gifu Univ.) WPT2019-5 MW2019-5
 [more] WPT2019-5 MW2019-5
pp.21-26
MW, ED 2019-01-17
10:25
Tokyo Hitachi, Central Research Lab. Consideration of indirect measurement of S-parameters connecting known loads to port different from DUT
Toshikazu Sekine, Yasuhiro Takahashi (Gifu Univ.) ED2018-71 MW2018-138
 [more] ED2018-71 MW2018-138
pp.13-16
EMCJ, IEE-EMC 2018-12-14
10:20
Aichi   Indirect Measurement Method for S-parameters of Reciprocal Circuits with Measuring a Minor Number of Ports
Noboru Maeda, Shinji Fukui (SOKEN), Toshikazu Sekine, Yasuhiro Takahashi (Gifu Univ.) EMCJ2018-90
A measurement method for the S-parameters of multiport reciprocal circuits is reported where majority of their ports ar... [more] EMCJ2018-90
pp.19-23
EMCJ, IEE-EMC 2018-12-14
13:40
Aichi   A S-parameter measurement method for circuit consisting of analog IC and its power supply IC
Toshikazu Sekine, Yasuhiro Takahashi (Gifu Univ.), Noboru Maeda, Shinji Fukui (SOKEN), Yasuyuki Ishikawa, Ko Oyama (DENSO) EMCJ2018-92
 [more] EMCJ2018-92
pp.51-56
MW 2018-06-21
15:30
Toyama Sunship Toyama Modified vector fitting and its application to both attenuation and group delay characteristics approximation
Toshikazu Sekine, Yasuhiro Takahashi (Gifu Univ.) MW2018-20
 [more] MW2018-20
pp.13-18
QIT
(2nd)
2018-06-04
10:20
Hiroshima ICCH Ran Ancilla-driven instantaneous quantum polynomial time circuit for quantum supremacy
Yuki Takeuchi, Yasuhiro Takahashi (NTT)
Instantaneous quantum polynomial time (IQP) is a model of (probably) non-universal quantum computation. Since it has bee... [more]
QIT
(2nd)
2018-06-04
11:00
Hiroshima ICCH Ran Power of Uninitialized Qubits in Shallow Quantum Circuits
Yasuhiro Takahashi, Seiichiro Tani (NTT)
We study the computational power of shallow quantum circuits with $O(log n)$ initialized
and $n^{O(1)}$ uninitialized a... [more]

COMP, IPSJ-AL 2018-05-25
15:20
Aichi Nagoya Institute of Technology Power of Uninitialized Qubits in Shallow Quantum Circuits
Yasuhiro Takahashi, Seiichiro Tani (NTT) COMP2018-2
We study the computational power of shallow quantum circuits with O(log n) initialized and n^O(1) uninitialized ancillar... [more] COMP2018-2
pp.25-28
EMCJ, IEE-EMC 2017-12-15
09:20
Gifu Gifu University An Indirect Measurement Method for S-Parameters using Eigen-Relation Residing in Measured Values
Nobou Maeda, Shinji Fukui (SOKEN), Toshikazu Sekine, Yasuhiro Takahashi (Gifu Univ.) EMCJ2017-76
 [more] EMCJ2017-76
pp.1-6
EMCJ, IEE-EMC 2017-12-15
09:45
Gifu Gifu University An indirect S-parameter measurement method of 2-port circuit using (1, 3)-port fixture
Yuya Kojima, Toshikazu Sekine, Yasuhiro Takahashi (Gifu Univ.) EMCJ2017-77
 [more] EMCJ2017-77
pp.7-12
EMCJ, IEE-EMC 2017-12-15
10:10
Gifu Gifu University Approximation of Input and Output Characteristics of Lossy Transmission Line Using Vector Fitting
Yuto Matsushita, Toshikazu Sekine, Yasuhiro Takahashi (Gifu Univ.) EMCJ2017-78
 [more] EMCJ2017-78
pp.13-18
 Results 1 - 20 of 108  /  [Next]  
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