Zobrazeno 1 - 10
of 123
pro vyhledávání: '"Aijun Zeng"'
Publikováno v:
AIP Advances, Vol 14, Iss 1, Pp 015125-015125-9 (2024)
Source and mask optimization is a critical technique for further resolution enhancement in immersion lithography systems, wherein the optimal illumination source shape is widely generated by the micromirror array. Accordingly, the accurate achievemen
Externí odkaz:
https://doaj.org/article/9af6083e1fa845ff86fbe8f2371aed0a
Publikováno v:
IET Image Processing, Vol 16, Iss 11, Pp 3057-3066 (2022)
Abstract Iris segmentation is an important step in the process of iris recognition. Iris images collected under non‐cooperative conditions always contain various noise, which is a challenge for iris segmentation. Most U‐Net‐based methods have m
Externí odkaz:
https://doaj.org/article/4c15a2d49b3c411d9ba8c1376968edb0
Autor:
Yangeng Dong, Yu Lin, Ti Sun, Chong Zhang, Jingpei Hu, Chinhua Wang, Aijun Zeng, Huijie Huang
Publikováno v:
AIP Advances, Vol 12, Iss 5, Pp 055009-055009-6 (2022)
Metalens consisting of arrays of subwavelength nanostructures with ultrathin, lightweight, and tailorable characteristics have been in the spotlight to develop next-generation optical elements beyond existing refractive or diffractive optics. However
Externí odkaz:
https://doaj.org/article/70eac023cb72404c8bc98d74a117ee81
Autor:
Changling Wang, Supakorn Wongsuk, Zhan Huang, Congwei Yu, Leng Han, Jun Zhang, Wenkang Sun, Aijun Zeng, Xiongkui He
Publikováno v:
Agronomy, Vol 13, Iss 1, p 270 (2023)
In the past decade, an unmanned aerial spraying system (UASS) was applied more and more widely for low-volume aerial pesticides spraying operations in China. However, UASS have a higher drift risk due to more fine droplets sprayed with a higher worki
Externí odkaz:
https://doaj.org/article/b5e88fabe21c4bebb3ca7c510628e9cb
Publikováno v:
Sensors, Vol 22, Iss 20, p 7723 (2022)
Biometric recognition technology has been widely used in various fields of society. Iris recognition technology, as a stable and convenient biometric recognition technology, has been widely used in security applications. However, the iris images coll
Externí odkaz:
https://doaj.org/article/42791a5219e84ef7a384ea75f3f6474b
Effects of Adjuvants on Spraying Characteristics and Control Efficacy in Unmanned Aerial Application
Publikováno v:
Agriculture, Vol 12, Iss 2, p 138 (2022)
Pesticide application by unmanned agricultural aerial vehicles (UAVs) has rapidly developed in China and other Asian counties. Currently, tank-mix spray adjuvants are usually added into pesticide solutions to reduce spray drift and facilitate droplet
Externí odkaz:
https://doaj.org/article/c7950913c05843c28458b62dc9f0695e
Publikováno v:
Journal für Kulturpflanzen, Vol 72, Iss 1 (2020)
Field experiments were conducted to determine the influence of the Unmanned Agricultural Aircraft Systems (UAAS) design on spray drift sediment during a common arable field application in consideration of the spray deposit distribution. In addition,
Externí odkaz:
https://doaj.org/article/dc8cb60418bf4b2a8df0db166916bdb6
Publikováno v:
Pest Management Science. 79:1140-1153
Droplets of plant production products sprayed from unmanned aerial spraying system (UASS) applications are prone to drift, threatening nontarget crops, humans, and environment. There are few studies that have investigated plant bioassay of UASS spray
Autor:
Yangeng Dong, Ti Sun, Jingpei Hu, Yu Lin, Aijun Zeng, Huijie Huang, Chinhua Wang, Chunping Jiang
Publikováno v:
Applied Physics Letters. 122
The optical sparse aperture approach has been shown to have significant potential in enlarging the aperture size and enhancing the imaging resolution of metalenses. However, because of frequency loss caused by the sparsity and dispersion of sparse ap
Publikováno v:
Advanced Laser Processing and Manufacturing VI.