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 |