Zobrazeno 1 - 10
of 176
pro vyhledávání: '"Juntao He"'
Autor:
Juntao He, Haoran Dai, Runqi Sui, Xuejing Yuan, Dun Liu, Hao Feng, Xinyue Liu, Wenchuan Yang, Baojiang Cui, Kedan Li
Publikováno v:
Cybersecurity, Vol 7, Iss 1, Pp 1-20 (2024)
Abstract Text-to-image (TTI) models provide huge innovation ability for many industries, while the content security triggered by them has also attracted wide attention. Considerable research has focused on content security threats of large language m
Externí odkaz:
https://doaj.org/article/e2d0e0c5f3a44886bad68251f57ff09b
Autor:
Yanran Gu, Jinmei Yao, Niuxin Yue, Muyu Yi, Langning Wang, Tao Xun, Hanwu Yang, Jinliang Liu, Juntao He
Publikováno v:
IEEE Journal of the Electron Devices Society, Vol 12, Pp 256-261 (2024)
An optical reflective cavity in vertical extrinsic SiC photoconductive switches is developed to improve the light absorption or photoelectric responsivity with the fiber triggering. The optical reflective cavity consists of a total reflector, a cente
Externí odkaz:
https://doaj.org/article/47c669616abe483284d963a036a0425a
Publikováno v:
Micromachines, Vol 14, Iss 11, p 2127 (2023)
A continuous transverse stub (CTS) array antenna with broad bandwidth and high-power handling capacity is proposed in this paper. The technologies of multi-step impedance matching and T-shaped electromagnetic band-gap (EBG) loading are utilized, whic
Externí odkaz:
https://doaj.org/article/31179b1a1886424a8fa0905e7d87afc3
Publikováno v:
AIP Advances, Vol 12, Iss 11, Pp 115219-115219-6 (2022)
The excitation and suppression of asymmetric modes in a coaxial relativistic klystron amplifier (RKA) with cascaded single-gap bunching cavities are analyzed in this paper. Through theoretical analysis and simulated verification, we find that the asy
Externí odkaz:
https://doaj.org/article/b23a8acb5bc0401488c277b0b02f04c8
Autor:
Li Xue, Li Tao, Xueyi Li, Yan Wang, Biao Wang, Yanping Zhang, Ning Gao, Yanying Dong, Nan Xu, Chaoliang Xiong, Ting Zhou, Zeshi Liu, Hailong Liu, Juntao He, Ke Li, Yan Geng, Ming Li
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-9 (2021)
Abstract This study aimed to assess the association of coagulation-related indicators such as plasma fibrinogen (FIB), d-dimer, and fibrin degradation product (FDP) in rheumatoid arthritis (RA) with the disease activity. Data from 105 RA patients and
Externí odkaz:
https://doaj.org/article/d7b294375cde489996c1c98519bf622e
Publikováno v:
AIP Advances, Vol 12, Iss 9, Pp 095124-095124-7 (2022)
A novel L-band metamaterial slow wave structure with a weak space charge effect and high field uniformity is proposed. The slow wave structure is composed of two identical all-metal resonant elements. In order to weaken the space charge effect, a lon
Externí odkaz:
https://doaj.org/article/78d465ed5f0440a28c53489e91c4e19c
Publikováno v:
AIP Advances, Vol 12, Iss 7, Pp 075017-075017-8 (2022)
An improved X-band coaxial transit time oscillator is proposed in this paper. First, the device uses a non-uniform three-gap modulation cavity to improve the clustering of electron beams under a low magnetic field and to increase the depth of the fun
Externí odkaz:
https://doaj.org/article/fec0e14ce0f34425a8f6c6becbafa3c4
Publikováno v:
New Journal of Physics, Vol 25, Iss 9, p 093041 (2023)
We explore the existence and stability domains of stationary and moving bright solitons in spin–orbit-coupled spin-1 Bose–Einstein condensates in an external Zeeman field. Two families of bell-shape bright solitons (plane-wave (PW) phases) and tw
Externí odkaz:
https://doaj.org/article/8a053cf521554e1b93797187b9ace5f2
Publikováno v:
AIP Advances, Vol 12, Iss 3, Pp 035345-035345-8 (2022)
In recent vacuum electronic devices, metamaterials have shown an obvious advantage of miniaturization. Due to increasing miniaturization demand, research of metamaterials in high-power microwave (HPM) field is now also a hotspot. For better applicati
Externí odkaz:
https://doaj.org/article/3c1060667cdf47f6a98dcd486587b33a
Publikováno v:
AIP Advances, Vol 11, Iss 10, Pp 105219-105219-11 (2021)
A low guiding magnetic field facilitates the compactness of high power microwave sources, thus making it more practical. In order to reduce the guiding magnetic field, a focusing cathode is introduced in a Ka-band coaxial transit time oscillator in t
Externí odkaz:
https://doaj.org/article/fa95348c2ad8435e8cfad5a2234a2a3b