Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Kei Yokokawa"'
Autor:
Megumi Manrai, Naoki Takesita, Hiroaki Ishida, Akiko Takashima, Tomohiro Adachi, Izumi Sasaki, Kei Yokokawa, Wataru Tokuyama, Nobuyuki Hiruta, Toshihiko Kinoshita
Publikováno v:
Clinics and Practice, Vol 5, Iss 1 (2015)
Primary retroperitoneal mucinous cystic tumors with borderline malignancy are rarely encountered. To date, only 12 cases have been reported in the literature. In this report, we present an additional case. A 65-year-old nulliparous woman complained o
Externí odkaz:
https://doaj.org/article/89b66de827b9461da31217a3f38d704c
Publikováno v:
IEEE Transactions on Antennas and Propagation. 68:8233-8237
A computationally efficient method which is based on the method of moments (MoM) for numerical analysis of antennas with variable load impedance is proposed. The proposed method deals with both of the variable load impedance and its current as equiva
Publikováno v:
2020 International Symposium on Antennas and Propagation (ISAP).
An efficient method of moments for numerical analysis of antennas with variable load impedance is presented. The presented method is a kind of domain decomposition method. A loaded full-matrix equation is decomposed into block matrix equations corres
Publikováno v:
IEEE Antennas and Wireless Propagation Letters. 16:740-743
In this letter, the scattering performance of a log-periodic dipole array (LPDA) is numerically and experimentally demonstrated. Radiation and scattering performance of the LPDA is shown. Numerical simulations clarify that a 3-dB bandwidth of an LPDA
Autor:
Satoshi Yamaguchi, Kei Yokokawa, Narihiro Nakamoto, Toru Fukasawa, Hiroaki Miyashita, Masataka Otsuka, Jun Goto, Kazunari Kihira, Tomohiro Mizuno, Tomohiro Takahashi
Publikováno v:
2017 IEEE Conference on Antenna Measurements & Applications (CAMA).
A reconfigurable corrugated waveguide using moveable shorting plate utilized in beam steerable slot array antenna is proposed. Each antenna elements is fed through waveguide with multiple corrugations. The corrugation depth is changed by mechanically
Publikováno v:
Open Journal of Immunology. :122-132
Every individuals expose to the lisk of conventional immunodeficiency in daily life with both internal and externals. In a series of investigation, we have been assessed the various health promoting menu such as hot spring hydrotherapy, acupuncture &
Publikováno v:
IEICE Communications Express. 2:359-364
Autor:
Naoki Takesita, Toshihiko Kinoshita, Izumi Sasaki, Megumi Manrai, Wataru Tokuyama, Hiroaki Ishida, Nobuyuki Hiruta, Tomohiro Adachi, Kei Yokokawa, Akiko Takashima
Publikováno v:
Clinics and Practice
Clinics and Practice, Vol 5, Iss 1 (2015)
Clinics and Practice, Vol 5, Iss 1 (2015)
Primary retroperitoneal mucinous cystic tumors with borderline malignancy are rarely encountered. To date, only 12 cases have been reported in the literature. In this report, we present an additional case. A 65-year-old nulliparous woman complained o