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pro vyhledávání: '"Cai Feng Liang"'
Publikováno v:
Applied Mechanics and Materials. :2791-2794
To obtain an adjustable passband filter, one open stub with three branches is loaded on an open loop resonator. The first and the third passband frequencies of the tri-band filter can be flexibly controlled by tuning lengths of three branches, wherea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ec164add9d6e6c0502bbf03402eb16b6
https://doi.org/10.4028/www.scientific.net/amm.513-517.2791
https://doi.org/10.4028/www.scientific.net/amm.513-517.2791
Publikováno v:
Applied Mechanics and Materials. :970-973
A compact bandpass filter has been investigated in this paper, the filter has four stepped impedance resonators, six open stubs are loaded on the two inner resonators, by adjusting sizes of six open stubs, a wide passband can be obtained. This propos
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d5e4392608a60641bf7abee1516104bc
https://doi.org/10.4028/www.scientific.net/amm.427-429.970
https://doi.org/10.4028/www.scientific.net/amm.427-429.970
Autor:
Cai Feng Liang, Feng Shan Zhang
Publikováno v:
Applied Mechanics and Materials. :1610-1613
Both underlay spectrum sharing radios and overlay spectrum sharing radios have their advantages and disadvantages. Ultra wide band (UWB) and cognitive radio (CR) are important underlay and overlay technology respectively used as secondary radio syste
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e9dcd630318d8c82d4fe888947867cbb
https://doi.org/10.4028/www.scientific.net/amm.385-386.1610
https://doi.org/10.4028/www.scientific.net/amm.385-386.1610
Publikováno v:
Advanced Materials Research; January 2013, Vol. 639 Issue: 1 p304-308, 5p
Publikováno v:
Chinese Journal of Oceanology & Limnology; Dec1997, Vol. 15 Issue 4, p378-380, 3p