Zobrazeno 1 - 10
of 56
pro vyhledávání: '"Jun-ya Takayama"'
Publikováno v:
PCN Reports, Vol 3, Iss 1, Pp n/a-n/a (2024)
Abstract Aim Graduate students are exposed to various types of stress. Thus, they are prone to mental health problems, and the most devastating result is suicide. The aim of this paper is to reveal the status of suicide among graduate students in Jap
Externí odkaz:
https://doaj.org/article/16d62ddcd16f4207a99e724828b6432d
Publikováno v:
SICE Journal of Control, Measurement, and System Integration, Vol 15, Iss 1, Pp 36-47 (2022)
Nondestructive inner inspection techniques are essential to certify the safety or health of concrete structures, and one of the important issues in these inspections is the detectability of thin air voids or cracks. In this study, we propose a novel
Externí odkaz:
https://doaj.org/article/602f00a35ff3403fa4c58041d603d2ac
Autor:
Yuto Kitamura, Jun-ya Takayama
Publikováno v:
Measurement: Sensors, Vol 18, Iss , Pp 100182- (2021)
In this report, we focused on the diagnosis of wall spalling in condominiums, etc., and tried to estimate the size and shape of spalling by analyzing the hammering sound based on the power spectrum. In particular, we confirmed that the frequency at w
Externí odkaz:
https://doaj.org/article/3459a2c690e849e3aeb257e01c80f101
Autor:
Shota Takagi, Jun-ya Takayama
Publikováno v:
Measurement: Sensors, Vol 18, Iss , Pp 100181- (2021)
Poles and overhead power lines have been common, and maintaining them is necessary. Increasingly, mobile mapping system (MMS) based on integration of various positioning, navigation and imaging data collection sensors is used to maintain the complex
Externí odkaz:
https://doaj.org/article/e492209a3caf456a888b74058413e242
Publikováno v:
Transactions of the Society of Instrument and Control Engineers. 57:227-236
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::46083b067762c2481e7bb9e140cd0322
https://doi.org/10.9746/sicetr.57.227
https://doi.org/10.9746/sicetr.57.227
Autor:
Jun-ya Takayama, Yuto Kitamura
Publikováno v:
Measurement: Sensors, Vol 18, Iss, Pp 100182-(2021)
In this report, we focused on the diagnosis of wall spalling in condominiums, etc., and tried to estimate the size and shape of spalling by analyzing the hammering sound based on the power spectrum. In particular, we confirmed that the frequency at w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9b21f852dad00c25b3ea544a0a368fb8
http://www.sciencedirect.com/science/article/pii/S2665917421001458
http://www.sciencedirect.com/science/article/pii/S2665917421001458
Publikováno v:
SICE
On a nondestructive exploration using a microwave radar, there are so many researches aiming an inspection of metallic buried object, whereas those of nonmetallic one such as a resin pipe are very few. Two kinds of high precise simultaneous estimatio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c06bcda7c5df4037fa0efb6d195b0c7e
https://doi.org/10.23919/sice.2019.8859807
https://doi.org/10.23919/sice.2019.8859807
Publikováno v:
2018 57th Annual Conference of the Society of Instrument and Control Engineers of Japan (SICE).
On a nondestructive inspection using the microwave radar, there are so many researches aiming metallic buried objects. On the other hand, those aiming nonmetallic ones such as a resin are very few. In this research, we propose two kind of high precis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::baf86f73ae6bf3aaf978ceb41f9902e7
https://doi.org/10.23919/sice.2018.8492574
https://doi.org/10.23919/sice.2018.8492574
Publikováno v:
2017 56th Annual Conference of the Society of Instrument and Control Engineers of Japan (SICE).
In this report, a propagation time estimation method and a propagation path model for inner concrete structure inspection based on the microwave radar technique have been considered. In particular, an improved propagation path model has been newly pr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0631bd8bc76ab0851c3a29b4bb3d2a4a
https://doi.org/10.23919/sice.2017.8105690
https://doi.org/10.23919/sice.2017.8105690
Autor:
Kenta Narumi, Jun-ya Takayama
Publikováno v:
2016 55th Annual Conference of the Society of Instrument and Control Engineers of Japan (SICE).
In this study, a novel material discrimination and propagation time estimation method for buried objects using a microwave radar has been considered. In the present paper, a simultaneous evaluation method of a material and a propagation time based on
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::030fb30206815f6b6aa7bbc85540e163
https://doi.org/10.1109/sice.2016.7749243
https://doi.org/10.1109/sice.2016.7749243