Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Keunsang Lee"'
Autor:
Keunsang Lee, Haeng Muk Cho
Publikováno v:
Energies, Vol 17, Iss 13, p 3349 (2024)
Growing concerns over resource depletion and air pollution driven by the rising dependence on fossil fuels necessitate the exploration of alternative energy sources. This study investigates the performance and emission characteristics of a diesel eng
Externí odkaz:
https://doaj.org/article/ab8da9da852343a59f232af28d47012b
Autor:
Keunsang Lee, Haengmuk Cho
Publikováno v:
Energies, Vol 17, Iss 7, p 1711 (2024)
Currently, solving global environmental problems is recognized as an important task for humanity. In particular, automobile exhaust gases, which are pointed out as the main cause of environmental pollution, are increasing environmental pollutants and
Externí odkaz:
https://doaj.org/article/bd823729a7aa40859c660117c057c240
Autor:
KeunSang Lee, HaengMuk Cho
Publikováno v:
International Journal of Mechanical Engineering and Robotics Research. :865-869
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ea3cfda65e8819ae017db2e6dd2786b0
https://doi.org/10.18178/ijmerr.11.11.865-869
https://doi.org/10.18178/ijmerr.11.11.865-869
Autor:
Won-Suk Ohm, Young-Cheol Park, Dong Joo Lee, Sangbeom Woo, Hada Jang, Eunghwy Noh, Keunsang Lee, Young-Soo Seo, Hunki Lee, Min Ho Song, Jae Wan Lee
Publikováno v:
Journal of Mechanical Science and Technology. 33:3127-3135
This paper describes an active silencer system for low-frequency noise in water-filled pipes, with implementation in marine vessels and structures in mind. Active noise control in underwater environment has its unique challenges arising from bubbles.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1ae5da8269697c5e028c9e77c2310434
https://doi.org/10.1007/s12206-019-0608-3
https://doi.org/10.1007/s12206-019-0608-3
Publikováno v:
ICCE
In this paper, we proposed a speech enhancement based on channel selective independent vector analysis (CS-IVA) for improving the keyword recognition rate in home robot cleaner. At first, the proposed method eliminates the noises generated by home ro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f8eb27e85e5aa116ca706ec772b0a2c2
https://doi.org/10.1109/icce.2019.8662029
https://doi.org/10.1109/icce.2019.8662029
Secondary Path Estimation Algorithm Based on Residual Music Canceller for Noise Cancelling Headphone
Publikováno v:
The Journal of the Acoustical Society of Korea. 34:377-384
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5a2c67cd5976aaa1b5110f211ca3c0e9
https://doi.org/10.7776/ask.2015.34.5.377
https://doi.org/10.7776/ask.2015.34.5.377
Publikováno v:
IEEE Transactions on Circuits and Systems II: Express Briefs. 62:881-885
This brief presents a nonlinear acoustic echo cancellation algorithm comprising a postprocessor that can model the saturation-type nonlinear distortion of a microphone circuit. To support fast adaptation to the acoustic echo environment, the linear f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5aec773e3e615aa4ce7e3afd64f6f5a8
https://doi.org/10.1109/tcsii.2015.2435711
https://doi.org/10.1109/tcsii.2015.2435711
Autor:
Young-Cheol Park, Keunsang Lee
Publikováno v:
The Journal of Korea Institute of Information, Electronics, and Communication Technology. 8:45-50
In this paper, we confirm the effective adaptive algorithm for tha active noise contorl (ANC) though the performance comparison between adaptive algorithms. Generally, the normalized least mean square (NLMS) algorithm has been widely used for an adap
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1290ad96e25a4732fbd6ff756b9850dd
https://doi.org/10.17661/jkiiect.2015.8.1.045
https://doi.org/10.17661/jkiiect.2015.8.1.045
Publikováno v:
ICCE
In this paper, we propose a dual-microphone noise reduction algorithm for smartphone. The algorithm estimates the coherent noise power spectral density (PSD) using an adaptive filter whose weights are updated based on the power level ratio (PLR) betw
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6588516cabd3a205df74dfe53efb68f4
https://doi.org/10.1109/tce.2014.6937323
https://doi.org/10.1109/tce.2014.6937323
Publikováno v:
IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences. :2645-2648
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b1cd2d844a78aa596368e6b845bdd76b
https://doi.org/10.1587/transfun.e97.a.2645
https://doi.org/10.1587/transfun.e97.a.2645