Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Baidenger Agyekum Twumasi"'
Publikováno v:
IEEE Access, Vol 8, Pp 33188-33195 (2020)
This work presents a novel planar branch-line coupler topology developed for dual-band operation using an E-shaped impedance transformer network to supplant the conventional microstrip line. Explicit closed-form design equations for dual-band operati
Externí odkaz:
https://doaj.org/article/03d060e52e484e8ca0036d4f49f006ff
Publikováno v:
Journal of Electrical Engineering. 72:407-412
A dual-circularly polarized traveling wave antenna based on linear polarization array with wideband response is proposed. The circular polarization is realized by the sequential rotation arrangement of four linear polarization elements and series fee
Publikováno v:
International Journal of RF and Microwave Computer-Aided Engineering. 32
Autor:
Baidenger Agyekum Twumasi, Kwabena Adu, Yongbin Yu, Kwabena Owusu-Agyemang, Xiangxiang Wang, Jingye Cai
Publikováno v:
International Journal of Imaging Systems and Technology. 31:2075-2092
Publikováno v:
Journal of Electrical Engineering. 71:428-432
This contribution presents, for the first time, the design of microwave lowpass filter with ultrawide stopband and low insertion loss based on the log-periodic zig-zag defected ground structure (DGS); the design is specifically evolved from the princ
Publikováno v:
IEEE Access, Vol 8, Pp 33188-33195 (2020)
This work presents a novel planar branch-line coupler topology developed for dual-band operation using an E-shaped impedance transformer network to supplant the conventional microstrip line. Explicit closed-form design equations for dual-band operati
Autor:
Awais Khan Nawabi, Sheng Jinfang, Rashid Abbasi, Muhammad Shahid Iqbal, Md Belal Bin Heyat, Faijan Akhtar, Kaishun Wu, Baidenger Agyekum Twumasi
Publikováno v:
Oxidative Medicine and Cellular Longevity.
Most multicellular organisms require apoptosis, or programmed cell death, to function properly and survive. On the other hand, morphological and biochemical characteristics of apoptosis have remained remarkably consistent throughout evolution. Apopto
Publikováno v:
2021 IEEE 8th International Conference on Adaptive Science and Technology (ICAST).
Publikováno v:
AFRICON
This paper presents the design of a circular microstrip patch antenna time reversal mirror (TRM) for microwave wireless power transfer applications. The proposed antenna has 4.9 GHz bandwidth covering the 5.8 GHz WLAN band. Defects were used to impro
Publikováno v:
Electromagnetics. 39:465-472
Based on the multi-coupled line, a novel compact microstrip diplexer with high isolation and low insertion loss is developed. The presented diplexer consists of five short-ended parallel co...