Zobrazeno 1 - 10
of 68
pro vyhledávání: '"Chunlin Guan"'
Publikováno v:
Jixie chuandong, Vol 44, Pp 80-84 (2020)
Bridge-type displacement amplifier is usually used to amplify the output displacement of the piezoelectric ceramic actuator in a micro-displacement positioning system which driven by a piezoelectric ceramic actuator. In order to obtain a higher displ
Externí odkaz:
https://doaj.org/article/a458affb4fa840699ab5c15792d083df
Publikováno v:
IEEE Photonics Journal, Vol 12, Iss 2, Pp 1-14 (2020)
The alignment errors correction of segmented Fresnel primary mirror in multiple imaging scenes is simulated. Based on the linear relationship between five kinds of alignment errors and modulation transfer function metric or image frequency domain met
Externí odkaz:
https://doaj.org/article/3caf83e1c5e9402bbbd01fb1521d3861
Publikováno v:
IEEE Transactions on Antennas and Propagation. 69:3593-3598
A novel active frequency selective surface (AFSS) is proposed in this communication which not only can achieve electromagnetic (EM) switching between the transmission and absorption modes but also has the capability of dynamically modulating the ampl
Publikováno v:
Journal of Materials Science: Materials in Electronics. 32:2895-2905
Piezoceramics with the composition Pb0.95Sr0.05(Mn1/3Nb2/3)0.05(Zr0.48Ti0.52)0.95O3-xwt%CeO2-ywt%MnCO3 (abbreviated as CexMny) were prepared by the conventional solid-state sintering method. All compositions possessed a phase boundary with coexisting
Publikováno v:
IEEE Antennas and Wireless Propagation Letters. 19:982-986
In this letter, a broadband polarization-independent tunable absorber is proposed based on active frequency selective surface (AFSS). The AFSS consists of periodic patterns of four-patch array with four p-i-n diodes loaded among them, and a simple bi
Autor:
Min-Wei Song, Jun Luo, Hong Liu, Chunlin Guan, Yuntao Cheng, Xiyu Long, Yaru Li, Ying Zhang, Jing-Zhong Fang, Haibin Zhang
Publikováno v:
Journal of Materials Chemistry C. 8:12876-12885
Light absorbers have widespread applications in plasmonic sensing, optical imaging, solar energy harvesting and photovoltaics. In this paper, a new class of metamaterial perfect absorbers (MPAs) is presented: core–shell Au@SiO2 meta-atoms randomly
Publikováno v:
IEEE Photonics Journal, Vol 12, Iss 2, Pp 1-14 (2020)
The alignment errors correction of segmented Fresnel primary mirror in multiple imaging scenes is simulated. Based on the linear relationship between five kinds of alignment errors and modulation transfer function metric or image frequency domain met
Publikováno v:
Optics Communications. 451:220-225
The membrane diffractive optical telescopes are one of areas of active research of large aperture optical telescopes. However, due to the processing technology of thin membrane mirror, the changes of temperature and humidity, etc., the imaging perfor
Autor:
Jia-Jun Zhou, Chunlin Zhao, Zhen Zhou, Zong-Zheng Du, Jing-Zhong Fang, Hong Liu, Chunlin Guan, Hao-Cheng Thong, Ke Wang
Publikováno v:
Journal of Alloys and Compounds. 801:27-32
In this work, the piezoelectric ceramics Pb0.95Ba0.01Sr0.04(Zr0.53Ti0.47)O3-1wt.%LiBiO2-0.06 wt.%CuO-xwt.%MnCO3 (PBSZT-LBCu-xwt.%MnCO3) were prepared by the conventional solid-state sintering method. The effect of MnCO3 on addition phase structure, m
Publikováno v:
Scientific Reports, Vol 10, Iss 1, Pp 1-8 (2020)
Scientific Reports
Scientific Reports
Optical polyimide (PI) membrane is a promising substrate material for diffractive lens applied in future large-aperture space based imaging system because of its light weight, environmental adaptability and deployable feature. In this letter, we put