Novel synthesis method for reconfigurable filtering phase shifter with frequency-dependent coupling using optimization technique

X Chen, C Yi, PL Chi, T Yang - IEEE Transactions on Circuits …, 2022 - ieeexplore.ieee.org
A novel optimization technique is proposed for reconfigurable filtering phase shifter with
frequency-dependent coupling in this brief. It incorporates both the coupling matrix entries and …

A 0.75 to 1.5 GHz Reconfigurable Diplexer With Independently Controllable Center Frequency and Insertion Phase

C Yi, X Chen, PL Chi, T Yang - IEEE Transactions on Circuits …, 2023 - ieeexplore.ieee.org
A novel reconfigurable diplexer with independently controllable center frequency and insertion
phase is proposed in this brief. It simply consists of six coupled resonators and two non-…

A Novel Reconfigurable Duplexer Supporting FDD, TDD, and FD Operation With Controllable Center Frequency and Enhanced Self-Interference Isolation

Y Ning, Z Wei, C Yi, PL Chi… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
In this article, a novel reconfigurable duplexer topology supporting time-division duplex (TDD),
frequency-division duplex (FDD), and full-duplex (FD) operations under spatiotemporal …

Stress background and rock fractures revealed by ultrasonic borehole television in the Fankou Lead-Zinc Mine

Y Du, C Wu, C Wang, G Yuan, S Ouyang… - Frontiers in Earth …, 2023 - frontiersin.org
The stress background and rock fractures are essential factors affecting the stability of mines.
In order to better understand the in situ stress background and rock fractures in the …

Identifying organic toxicants in sediment using effect-directed analysis: a combination of bioaccessibility-based extraction and high-throughput midge toxicity testing

H Li, X Yi, F Cheng, Y Tong, WT Mehler… - Environmental science & …, 2018 - ACS Publications
Toxicity identification evaluation (TIE) and effect-directed analysis (EDA) were integrated to
diagnose toxicity drivers in a complex system, such as sediment. In TIE manipulation, XAD …

[HTML][HTML] Protective effects of Jiayan Kangtai granules on autoimmune thyroiditis in a rat model by modulating Th17/Treg cell balance

…, S Wen, G Xuan, W Lili, Q Lingling, Z Chengfei… - Journal of Traditional …, 2018 - Elsevier
OBJECTIVE To investigate the protective effects of Jiayan Kangtai (JYKT) granules,
consisting of 9 Chinese herbs, in a rat model of autoimmune thyroiditis (AIT), and the possible …

Factors driving the biomass and species richness of desert plants in northern Xinjiang China

C Fei, YQ Dong, SZ An - PLoS One, 2022 - journals.plos.org
The desert ecosystem is an important part of the terrestrial ecosystem. Accurate estimations
of the biomass and species richness of desert plants are of great value for maintaining …

[PDF][PDF] Mangrove species classification in the Hainan Bamen Bay based on GF optics and fully polarimetric SAR

Z Chengfei, REN Guangbo, WU Peiqiang… - Journal of Tropical …, 2023 - jto.ac.cn
A Reasonable interspecific composition structure of mangrove is the premise of effectively
bringing into play the ecological value of mangrove wetland, and clear information of …

Nondestructive detecting cracks of preserved eggshell using polarization technology and cluster analysis

…, Z Tan, F Cheng, W Wei, Z Li, W Yi - Transactions of the …, 2014 - ingentaconnect.com
Pickled egg had lots of beige spots and some large black spots on its eggshell, so it is difficult
to detect cracks on the preserved eggshell. A polarization optical system was designed to …

Transcatheter closure of post-myocardial infarction ventricular septal defect: A systematic review and single-arm meta-analysis

K Yi, C Liu, Z Xu, J Xu, X Dong, X Zhang, W Wang… - Heliyon, 2023 - cell.com
Background Ventricular septal defects (VSDs) are one of the mechanical complications of
acute myocardial infarction (AMI). Because of the high risks of mortality and postoperative …