IEEE UFFC Society, IEEE 2019 UFFC Distinguished Service Award,For a career of masterful leadership, dedicated service and commitment to the UFFC-Society in many positions including two Co-Chairmanships of the IEEE International Ultrasonics Symposium, International Distinguished Lecturer, and AdCom Member橋本研也
2018年10月
USE運営委員会, USE2017論文賞,“A 3.5 GHz Longitudinal Leaky Surface Acoustic Wave Resonator Using a Multilayered Waveguide Structure for High Acoustic Energy Confinement,” Jpn. J. Appl. Phys., 57, 7 (2018) 07LD15-1~4T.Kimura Y.Kishimoto M.Omura K.Hashimoto
IEC(国際電気標準会議), IEC1906賞,For his work as a key expert of IEC TC49/WG10 for 7 years, and important contribution as project leader for the development of three International Standards on piezoelectric SAW and BAW filters橋本研也
INTERNATIONAL JOURNAL OF COMMUNICATION SYSTEMS 27(10) 2443-2451 2014年10月 [査読有り]
In this paper, we propose a polarization diversity scheme to enhance maritime VHF communications. Multiple antenna systems require an antenna separation of 5-10 wavelengths to keep the correlation coefficient below 0.7 to permit the realization of...
Jiansong Liu   Tatsuya Omori   Changjun Ahn   Ken-ya Hashimoto   
IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL 61(5) 881-885 2014年5月 [査読有り]
This paper discusses the use of periodically slotted top electrodes in the film bulk acoustic resonator (FBAR) structure for the realization of wideband coupled-resonator filters (CRFs), where evanescent modes in the periodic structure are used fo...
2014 IEEE INTERNATIONAL ULTRASONICS SYMPOSIUM (IUS) 791-794 2014年 [査読有り]
This paper discusses generation mechanisms of the second-order distortion in SAW devices. Crystal symmetry of the substrate is considered. It is shown that three mechanisms cause the second-order distortion. Namely, (a) self-mixing of the electros...
2014 IEEE INTERNATIONAL FREQUENCY CONTROL SYMPOSIUM (FCS) 315-318 2014年 [査読有り]
In 2008, the authors reported development of a type of the laser probe system based on the Sagnac interferometer for the diagnosis of radio frequency (RF) surface and bulk acoustic wave (SAW/BAW) devices. This paper describes extension of its maxi...
2014 European Frequency and Time Forum (EFTF) 56-59 2014年 [査読有り]
This paper reviews a phase-sensitive and fast-scanning laser probe system developed by the authors' group for the diagnosis of radio frequency (RF) surface and bulk acoustic wave (SAW/BAW) devices. The system is based on the Sagnac interferometer,...
The symbol timing synchronization inaccuracy can bring about phase offset (FO), inter-symbol interference (ISI) and inter-channel interference (ICI). To overcome these shortcomings as much as possible, in this paper, a novel symbol timing synchron...