Zobrazeno 1 - 10
of 339
pro vyhledávání: '"Instantaneous amplitude"'
Publikováno v:
Buildings, Vol 14, Iss 5, p 1428 (2024)
Identifying bridge damage using a movable test vehicle is highly regarded for its mobility, cost-effectiveness, and broad monitoring coverage. Previous studies have shown that the residual contact-point (CP) response between connected vehicles is fre
Externí odkaz:
https://doaj.org/article/ba20516f51c4430ebdc70cf6e9f7e664
Autor:
Avendaño, Luis Enrique
[ES] Esta tesis de doctorado está dedicada al problema de descomposición de señales no estacionarias en componentes modales, entendida como componentes oscilatorias independientes, con amplitud y fase dependientes del tiempo. Para este fin, se pro
Externí odkaz:
http://hdl.handle.net/10251/211185
Publikováno v:
مهندسی عمران شریف, Vol 37.2, Iss 4.1, Pp 69-79 (2022)
In areas near active faults, ground motions usually show a large pulse in velocity time history. These near-field pulse-like ground motions increase the structural failure and cause extensive damage to structures. Due to the limited number of pulse-l
Externí odkaz:
https://doaj.org/article/d810e9438745496fba13fecef252deac
Publikováno v:
Applied Sciences, Vol 13, Iss 10, p 6127 (2023)
Motor current signal analysis is a common method that can be applied to the monitoring and diagnosis of electromechanical equipment. Three-phase unbalance will increase the line power loss and affect the safe operation of power-using equipment. To qu
Externí odkaz:
https://doaj.org/article/8374ee561fca40ccb9e7e6a68b3be342
Publikováno v:
Известия Томского политехнического университета: Инжиниринг георесурсов, Vol 331, Iss 5, Pp 46-56 (2020)
Deep wells drilling in many parts of the world, especially in fractured cavernous reservoirs, faces a number of difficulties, both of technical and geological nature such as, the manifestations of abnormally high formation pressure. With the increase
Externí odkaz:
https://doaj.org/article/418cc39720474135a11e33fb4ce47732
Publikováno v:
Symmetry, Vol 15, Iss 2, p 365 (2023)
It is critical for the safety monitoring of highway bridges that beam bridge damage can be identified from the dynamic response of passing vehicles. Numerical simulations of passing vehicles were conducted utilizing the vehicle–bridge coupling vibr
Externí odkaz:
https://doaj.org/article/e198570afa7e4319a44af07580e52499
Akademický článek
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Akademický článek
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Autor:
Ibrahim Hashlamon, Ehsan Nikbakht
Publikováno v:
Applied Sciences, Vol 12, Iss 22, p 11625 (2022)
The use of an instrumented scanning vehicle has become the center of focus for bridge health monitoring (BHM) due to its cost efficiency, mobility, and practicality. However, indirect BHM still faces challenges such as the effects of road roughness o
Externí odkaz:
https://doaj.org/article/21fa25b7d92b49fd9eb69d7f95dacf62
Autor:
Huadi ZHANG, Huaxun LOU
Publikováno v:
Tongxin xuebao, Vol 40, Pp 200-211 (2019)
An automatic modulation recognition algorithm for MQAM signal was proposed.Firstly,the feature parameter F based on the fourth order cumulants was constructed to classify the square QAM and the cross QAM.Secondly,the compactness of zero center normal
Externí odkaz:
https://doaj.org/article/7b1744d6e80f4592b4c2cecad3d60e76