Zobrazeno 1 - 10
of 48
pro vyhledávání: '"Zhi Hang Wu"'
Publikováno v:
Guoji Yanke Zazhi, Vol 21, Iss 1, Pp 32-36 (2021)
AIM: To explore the effect and mechanism of acyclovir(ACV)on the proliferation and apoptosis of human eye Tenon capsule fibroblasts(HTFs) in vitro. METHODS: HTFs were divided into ACV treatment group and control group; CCK8 was used to detect cell pr
Externí odkaz:
https://doaj.org/article/244a32a5ed104ba880a1f98c362757f6
Publikováno v:
Guoji Yanke Zazhi, Vol 18, Iss 9, Pp 1622-1626 (2018)
The choroidal neovascularization(CNV)secondary to pathological myopia is a common cause of irreversible central vision loss, with high incidence and serious impact on the quality of life of the patients. The traditional therapeutic modalities for CNV
Externí odkaz:
https://doaj.org/article/be06b717382a4f128c96e48387d36e38
Publikováno v:
IEEE Antennas and Wireless Propagation Letters. 18:1562-1566
A two-dimensional (2-D) beam-scanning lens antenna is proposed for Ka-band satellite applications, which is composed of a feed horn that can move in plane and a metasurface lens with elliptical paraboloid phase distribution. Due to the paraboloid pha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0224fef1535b9c4b16da3387afce56b1
https://doi.org/10.1109/lawp.2019.2922695
https://doi.org/10.1109/lawp.2019.2922695
Publikováno v:
IET Microwaves, Antennas & Propagation. 11:2124-2128
Here, the authors propose a switchable all-dielectric frequency selective surface (ADFSS), which is composed of two periodically placed high-permittivity dielectric resonator (DR) arrays. If the two DR arrays are laminated together, the FSS presents
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::70db55bfbce12ada95e38e2bd0a1a706
https://doi.org/10.1049/iet-map.2017.0220
https://doi.org/10.1049/iet-map.2017.0220
Publikováno v:
2019 IEEE MTT-S International Wireless Symposium (IWS).
In this paper, a two-dimensional (2D) beam scanning lens antenna is presented, which is composed of a feed horn that can translate in plane and a planar lens with elliptic rotating phase distribution. The beam steering principle is detailed analyzed.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::35a533f3e799284e6c142b829b4865d9
https://doi.org/10.1109/ieee-iws.2019.8804122
https://doi.org/10.1109/ieee-iws.2019.8804122
Publikováno v:
International Journal of Remote Sensing. 37:3061-3073
The estimation of the wall parameters is important in through-the-wall radar imaging TWRI. Ambiguities in the wall characteristics, including wall thickness, permittivity, and conductivity, will distort the imaging and shift the target position. To o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6f7df9b45bf21a1b7f6043809724ee54
https://doi.org/10.1080/01431161.2016.1192703
https://doi.org/10.1080/01431161.2016.1192703
Publikováno v:
International Journal of RF and Microwave Computer-Aided Engineering. 26:449-455
In this article, a double-metallic-layered Huygens' surface Huygens' surface that efficiently refracts normally incident electromagnetic waves at the telecommunication frequency of 25 GHz is reported. The phase gradient along the interface is control
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9349012a083abc82857b01f8037882a4
https://doi.org/10.1002/mmce.20988
https://doi.org/10.1002/mmce.20988
Autor:
Wen-Xun Zhang, Zhi-Hang Wu
Publikováno v:
IEEE Antennas and Wireless Propagation Letters. 13:662-665
A novel structure of metallic compound air-fed array (M-CAFA) antennas, as one kind of improved Fabry-Perot resonator (FPR), is proposed in this letter. With a stepped metallic ground plate, metallic grating cover, and open-ended waveguide as the fee
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9a8b7499fd6dd4000e191fd5341c0ec3
https://doi.org/10.1109/lawp.2014.2314306
https://doi.org/10.1109/lawp.2014.2314306
Publikováno v:
2016 IEEE International Conference on Ubiquitous Wireless Broadband (ICUWB).
A Huygens' surface that efficiently refracts normally incident electromagnetic waves at 12 GHz is reported. The phase gradient along the interface is modulated by four isotropic, non-resonant, spatial phase shifters with dimensions of 0.5λ0 × 0.5λ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b34e63f512c56f7fbb0f25f2f47c6add
https://doi.org/10.1109/icuwb.2016.7790474
https://doi.org/10.1109/icuwb.2016.7790474
Publikováno v:
2016 Progress in Electromagnetic Research Symposium (PIERS).
Frequency selective surfaces (FSSs) are planar structures composed of a periodic array of unit cells that filter electromagnetic (EM) waves impinging on the surfaces. They have been widely used in stealth technology, electromagnetic countermeasure, a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a6ae38aa15cfb4dc342c50924210d07f
https://doi.org/10.1109/piers.2016.7735293
https://doi.org/10.1109/piers.2016.7735293