Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Sheng-wen YU"'
Publikováno v:
Journal of Integrative Agriculture, Vol 14, Iss 11, Pp 2365-2379 (2015)
Water quality in China is becoming a severe challenge for agriculture and food safety, and it might also impact health of population via agriculture and food. Thus, it is causing widespread concern. Based on extensive literatures review and data mini
Externí odkaz:
https://doaj.org/article/2df192a9a4c74c5aab676208cc6aa6c1
Autor:
Sheng-Wen Yu, 余聖文
102
The trend in wireless technology prevails globally, and new technologies are developed and advanced rapidly. Wireless communication systems have evolved from the use of analog signals to digital signals, and fixed equipment has been develope
The trend in wireless technology prevails globally, and new technologies are developed and advanced rapidly. Wireless communication systems have evolved from the use of analog signals to digital signals, and fixed equipment has been develope
Externí odkaz:
http://ndltd.ncl.edu.tw/handle/39204177357185317374
Autor:
Sheng-Wen Yu, 游勝文
95
In this thesis, we introduce three subjects about wireless communicational RF circuits. First, Weaver-Hartley image rejection down-converter using the architecture of complex mixers and complex filters is designed to reject image signals. Th
In this thesis, we introduce three subjects about wireless communicational RF circuits. First, Weaver-Hartley image rejection down-converter using the architecture of complex mixers and complex filters is designed to reject image signals. Th
Externí odkaz:
http://ndltd.ncl.edu.tw/handle/ce6929
Publikováno v:
Journal of Integrative Agriculture, Vol 14, Iss 11, Pp 2365-2379 (2015)
Water quality in China is becoming a severe challenge for agriculture and food safety, and it might also impact health of population via agriculture and food. Thus, it is causing widespread concern. Based on extensive literatures review and data mini
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ad165b725220afdb844f110404ccb0a5
http://www.sciencedirect.com/science/article/pii/S2095311915611285
http://www.sciencedirect.com/science/article/pii/S2095311915611285
Autor:
Hua Guo, Sheng Wen Yu
Publikováno v:
Applied Mechanics and Materials. 464:298-303
This paper analyzes the technical requirements for traction cutting in aluminum profile production, established a double tractor motion model, and according to the model, designed a traction control system based on ARM and wireless communication tech
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4ad936716323b3c9143f17942730f2f4
https://doi.org/10.4028/www.scientific.net/amm.464.298
https://doi.org/10.4028/www.scientific.net/amm.464.298
Autor:
Hua Guo, Sheng Wen Yu
Publikováno v:
Applied Mechanics and Materials. 442:354-359
In this article, discussed the traditional method of ultrasonic distance measurement , analyzed the main factors that restrict to impove the precision, and according to the energy attenuation of ultrasonic transmission, designed a measurement method
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d9edd5546a6ee10bba798def74b8e165
https://doi.org/10.4028/www.scientific.net/amm.442.354
https://doi.org/10.4028/www.scientific.net/amm.442.354
Publikováno v:
JOURNAL OF SHENZHEN UNIVERSITY SCIENCE AND ENGINEERING. 29:178-182
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4850cc5ffc98163e4f66d3cb11a90b9e
https://doi.org/10.3724/sp.j.1249.2012.02178
https://doi.org/10.3724/sp.j.1249.2012.02178
Publikováno v:
Ceramics International. 38:2845-2850
In the present study, two lead-free piezoelectric ceramics, potassium sodium niobate (K0.5Na0.5NbO3, KNN) and lithium-doped potassium sodium niobate (Li0.06K0.47Na0.47NbO3, LKNN), were prepared by a solid-state reaction process. The cytotoxicity eval
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bf20c37810c0d3b5b371d40dcafb4a7c
https://doi.org/10.1016/j.ceramint.2011.11.056
https://doi.org/10.1016/j.ceramint.2011.11.056
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 59:882-893
This paper focuses on the analysis and the design methodology of the step-impedance phase-inverter rat-race coupler on a silicon-based process. The issues of impedance limitation and bandwidth are discussed in detail. Our proposed concept utilizes a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::42240bf724428fa9a26231b7091a7cc8
https://doi.org/10.1109/tmtt.2011.2108312
https://doi.org/10.1109/tmtt.2011.2108312