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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP | 2020-03-26 16:00 |
Fukui | Fukui College (Cancelled but technical report was issued) |
Revisit to Friis Transmission Formula [II]
-- On Relation between Antenna Gain and Effective Area -- Yoshio Karasawa  AP2019-203 |
Friis's transmission formula is a basic formula that is the starting point for wireless transmission. Four years ago, we... [more] | AP2019-203 pp.35-40 |
| EE, OME, CPM | 2019-11-26 09:45 |
Tokyo | Japan Society for the Promotiton of Machine Industry | Wireless Power Supply System for Sensors with Rectenna for Outdoor Wireless Sensor Networks Ryoma Takaesu, Yoichi Ishizuka, Guan Chai-Eu, Takafumi Fujimoto, Satoshi Sugimoto, Shohei Iwasaki (Nagasaki Univ.) EE2019-37 CPM2019-79 OME2019-23 |
In this study, we propose a ground / soil monitoring system using wireless sensor network as a new countermeasure agains... [more] | EE2019-37 CPM2019-79 OME2019-23 pp.7-12 |
| AP, SAT, SANE (Joint) |
2016-07-21 13:50 |
Hokkaido | Otaru port marina | Expansion of Electromagnetic Field and Near-Field Gain in Lossy Homogeneous Medium Nozomu Ishii (Niigata Univ.), Lira Hamada, Chakarothai Jerdvisanop, Kanako Wake, Soichi Watanabe (NICT) AP2016-49 |
To evaluate SAR of RF devices operated in MHz band, the authors have studied a technique that uses near-field gain of re... [more] | AP2016-49 pp.73-78 |
| AP | 2016-01-14 14:10 |
Tokyo | Takushoku University, Hachiouji Campus | Revisit to Friis Transmisson Formula Yoshio Karasawa (UEC) AP2015-173 |
It is well-known that “Friis transmission formula” is the most fundamental equation and the starting point for designing... [more] | AP2015-173 pp.33-36 |
| AP | 2015-04-23 10:55 |
Okinawa | Ishigaki City | Determination of Far-Field Gain for WR-3 (220-325 GHz) Band Horn Antenna at Reduced Distances Katsushige Harima, Toshihide Tosaka, Katsumi Fujii, Kaori Fukunaga (NICT) AP2015-9 |
The far-field gain for horn antenna used as typical reference and broadband antennas on millimeter-wave bands is determi... [more] | AP2015-9 pp.41-46 |
| AP, SANE (Joint) |
2014-08-29 12:40 |
Niigata | Niigata University Satellite campus | [Tutorial Lecture]
Gain Measurement of Antennas Immersed in Solutions Nozomu Ishii (Niigata Univ.), Lira Hamada, Soichi Watanabe (NICT) AP2014-85 |
The effective wavelength in the solution, becomes shorter than free space, but it is not able to ignore the loss due to ... [more] | AP2014-85 pp.73-78 |
| AP, SAT (Joint) |
2014-07-24 14:00 |
Gifu | Gero Citizen Hall | Numerical Simulation of Far-Field Gain Determination for Broadband Antennas at Reduced Distances Katsushige Harima (NICT) AP2014-54 |
This report describes the numerical analysis of the gain variation that exists in gain measurements based on the Friis t... [more] | AP2014-54 pp.37-40 |
| MW, OPE, EMT, MWP, EST, IEE-EMT [detail] | 2014-07-17 16:10 |
Hokkaido | Muroran Inst. of Tech. | A Study of Gain Calculation for Antennas in a Lossy Medium Takuichi Hirano, Jiro Hirokawa, Makoto Ando (Tokyo Tech) MW2014-68 OPE2014-37 EST2014-29 MWP2014-26 |
Propagation characteristic in a lossy media need to be considered in some applications such as ultra wideband (UWB) rada... [more] | MW2014-68 OPE2014-37 EST2014-29 MWP2014-26 pp.113-116 |
| EMCJ | 2008-06-20 16:55 |
Hokkaido | Hokkaido Univ. | Estimation of Antenna Gain in the Liquid Using the Measured Data in the Far-Field Region by the Network Analyzer Naoto Ikarashi, Tsuyoshi Nagano (Niigata Univ.), Nozomu Ishii (Niigata Univ./NICT), Ken-ichi Sato (NTT-AT), Lira Hamada, Soichi Watanabe (NICT) EMCJ2008-24 |
The authors have been developed a technique for calibrating electric-field probes for the measurement of the Specific Ab... [more] | EMCJ2008-24 pp.99-104 |
| EMCJ | 2007-05-25 13:05 |
Niigata | Niigata University | Uncertainty of simultaneous measurement of antenna gain in the liquid and its dielectric property including the contribution of the Fresnel-field Hiroki Shiga, Naoto Ikarashi (Niigata Univ.), Nozomu Ishii (Niigata Univ./NICT), Ken-ichi Sato (NTT-AT), Lira Hamada, Soichi Watanabe (NICT) EMCJ2007-10 |
As a technique for calibrating electric-field probes used in standardized SAR (Specific Absorption Rate) assessment, we ... [more] | EMCJ2007-10 pp.1-5 |
| EMCJ | 2007-01-26 09:45 |
Kagoshima | A new gain measurement of the reference antenna in the tissue equivalent liquid based on the Fresnel approximation Nozomu Ishii (Niigata Univ./NICT), Takuhei Akagawa, Naoto Ikarashi (Niigata Univ.), Ken-ichi Sato (NTT-AT), Lira Hamada, Soichi Watanabe (NICT) EMCJ2006-97 |
One of calibration techniques for a SAR probe used in the standard SAR measurement is based on the Friis transmission fo... [more] | EMCJ2006-97 pp.1-4 |
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