Zobrazeno 1 - 10
of 84
pro vyhledávání: '"Anyong Hu"'
Autor:
Jinbiao Li, Anyong Hu, Xiuping Wang, Chuang Zhao, Jiarui Jin, Guangming Liu, Yujie Han, Bo Liu
Publikováno v:
Agronomy, Vol 13, Iss 10, p 2613 (2023)
Tidal flats in eastern China have undergone various transformations into other land-use types. Understanding the impact of land-use conversion on soil properties and microbial communities is crucial for effective ecological conservation efforts. In t
Externí odkaz:
https://doaj.org/article/de45ac0b795241d19e975bb62905a3f0
Publikováno v:
IEEE Access, Vol 10, Pp 79815-79824 (2022)
In this paper, a novel broadband lumped-element quadrature hybrid MMIC for interferometric correlation radiometer is proposed. First, the cause of the bandwidth limitation in the lumped-element branch-line coupler is analyzed, which is the two identi
Externí odkaz:
https://doaj.org/article/7c83d0783d1c420d856597fcc3d29176
Publikováno v:
IEEE Access, Vol 10, Pp 59933-59941 (2022)
The design, analysis, implementation and measurement of an integrated V-band receiver front-end based on $0.15~\mu \text{m}$ GaAs pHEMT process are presented in this paper. The front-end chip uses the super-heterodyne topology which consists of a low
Externí odkaz:
https://doaj.org/article/4634f3015eb74c78b97c25465998cec4
Publikováno v:
IEEE Access, Vol 10, Pp 32879-32888 (2022)
A Ka-band 1024-channel passive millimeter wave (PMMW) imager (BHU-1024) based on synthetic aperture interferometric radiometer (SAIR) technique has been developed by Beihang University for security screening. BHU-1024 uses linear phased array to obta
Externí odkaz:
https://doaj.org/article/003a8cb842d44e0594055333fcf95583
Publikováno v:
Micromachines, Vol 14, Iss 4, p 859 (2023)
This paper presents a Ka band eight-channel integrated packaged phased array receiver front-end for a passive millimeter-wave imaging system. Since multiple receiving channels are integrated in a given package, the mutual coupling issue affecting the
Externí odkaz:
https://doaj.org/article/0e06fa8728594f3e8e86d0cf828c63cf
Publikováno v:
Micromachines, Vol 14, Iss 4, p 867 (2023)
Human body temperature is a fundamental physiological sign that reflects the state of physical health. It is important to achieve high-accuracy detection for non-contact human body temperature measurement. In this article, a Ka band (32 to 36 GHz) an
Externí odkaz:
https://doaj.org/article/94b552c8fc85466a8619e6120329c481
Publikováno v:
IEEE Access, Vol 9, Pp 106441-106450 (2021)
A Ka-band 1024-channel passive millimeter wave (PMMW) imager with 1 GHz bandwidth called BHU-1024 has been developed by Beihang University for security screening. BHU-1024 uses linear phased array to obtain resolution in the horizontal direction and
Externí odkaz:
https://doaj.org/article/cb78bfac14d64de9916d94f0decc0dfa
Publikováno v:
IEEE Access, Vol 9, Pp 165049-165058 (2021)
Heart rate measurement technology based on Doppler radar can monitor heart rate in real time without direct contact with the skin, which possesses the advantages of convenient operation, comfort and insensitivity to the skin state. However, due to th
Externí odkaz:
https://doaj.org/article/5ddb47e23ccd446b8ceb891d5eb222cb
Publikováno v:
Life, Vol 12, Iss 10, p 1653 (2022)
Nitrogen (N) is an important nutrient for the growth and development of rice. The application of N fertilizer has become one of the inevitable ways to increase rice yield due to insufficient soil N content. However, in order to achieve stable and hig
Externí odkaz:
https://doaj.org/article/3182cb48719545df9562078eb34f5d6b
Publikováno v:
IEEE Access, Vol 7, Pp 6151-6160 (2019)
An improved technique for the design of an unbalanced analog reflection-type on-chip vector modulator is presented. At microwave frequencies, voltage-controlled high-electron-mobility transistor (HEMT) like pseudomorphic HEMT (pHEMT) is often chosen
Externí odkaz:
https://doaj.org/article/0202441d70f244209e462c04f70217cd