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pro vyhledávání: '"Toshiaki Kitamura"'
Autor:
Toshiaki Kitamura
Publikováno v:
Journal of Biomedical Physics and Engineering, Vol 14, Iss 5, Pp 509-512 (2024)
Multiple propagation modes progress along the basilar membrane and Reissner’s membrane, called basilar membrane mode (BM mode) and Reissner’s membrane mode (RM mode), respectively. This study focuses on the effects of the RM mode on the hearing p
Externí odkaz:
https://doaj.org/article/4043f135f1b943038e5c2960694c3798
Autor:
Toshiaki Kitamura
Publikováno v:
Active and Passive Electronic Components, Vol 2011 (2011)
A comb-line filter with a coupling capacitor in the ground plane is proposed. The filter consists of two quarter-wavelength microstrip resonators. A coupling capacitor is inserted into the ground plane in order to build strong coupling locally along
Externí odkaz:
https://doaj.org/article/3a05ef8eba8b4d16bab6e4a9f37723a1
Autor:
Toshiaki Kitamura, Takashi Hirayu
Publikováno v:
Akustika. :3-6
We propose a design for asymmetric acoustic transmission using mode conversion in a waveguide with gratings. First, we studied dispersion diagrams to determine the waveguide widths and clarified the mechanism of asymmetric acoustic transmission using
Autor:
Toshiaki Kitamura
Publikováno v:
Biomedical and Pharmacology Journal. 14:1389-1395
We investigated the dispersion characteristics of the propagation modes that progress on the tectorial membrane (TM). Recent studies have uncovered complex TM behavior and a possibility that TM might play an important role in the hearing system. An i
Autor:
Toshiaki Kitamura, Tomoya Ueno
Publikováno v:
Akustika.
This study focuses on the attenuation characteristics of the waves that propagate on the tectorial membrane (tectorial membrane waves). The traveling wave on the basilar membrane (basilar membrane wave) plays a main role in transmitting acoustic sign
Autor:
Hironori Kasahara, Keiji Kimura, Toshiaki Kitamura, Hiroki Mikami, Kazutaka Morita, Kazuki Fujita, Kazuki Yamamoto, Tohma Kawasumi
Publikováno v:
2021 IEEE/ACM Programming Environments for Heterogeneous Computing (PEHC).
Publikováno v:
EMBC
Apart from Von Bekesy's traveling wave theory, this paper introduces our new comprehension on auditory system based on acoustic resonance in hair cells. Focusing on a rootlet inductance L and a membrane capacitance C of the hair cell, a real-sized ce
Publikováno v:
IA3@SC
Indirect memory accesses caused by sparse linear algebra calculations are widely used in important real applications. However, they also cause serious inefficient memory accesses and pipeline stalls resulting low execution efficiency even with high m
Publikováno v:
2019 Thirteenth International Congress on Artificial Materials for Novel Wave Phenomena (Metamaterials).
This paper proposes an acoustic frequency selective curtain composed of two membranes and periodically connected elastic pillars. This new architecture, which was inspired by the structure of sensory hair cells in human auditory system, generates a p
Publikováno v:
2018 11th Biomedical Engineering International Conference (BMEiCON).
Different from human’s ears, injured hearing system of birds can be regenerated within two weeks even if their hair cells are damaged by exposure of large sounds. In terms of the regenerative process of birds’ ears, it is pointed out that the hai