Zobrazeno 1 - 10
of 99
pro vyhledávání: '"Karumudi Rambabu"'
Autor:
Neeta Singh, Taimoor Khan, Sachin Kumar, Binod Kumar Kanaujia, Hyun Chul Choi, Kang Wook Kim, Karumudi Rambabu, Sembiam R. Rengarajan, Ahmed A. Kishk
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-16 (2024)
Abstract This paper proposes a circularly polarized ultra-thin flexible antenna with a flexible rectifier and power management unit (PMU) for smartwatch/wristband applications. The flexible antenna is compact (0.17λ 0 × 0.20λ 0 × 0.0004λ 0) and
Externí odkaz:
https://doaj.org/article/ec4b4182ca194e74a680333931337d20
Autor:
Sumon Modak, Vikrant Kaim, Taimoor Khan, Binod Kumar Kanaujia, Ladislau Matekovits, Karumudi Rambabu
Publikováno v:
IEEE Access, Vol 12, Pp 25719-25730 (2024)
A conformal, ultra-miniaturized, circuit integrated ultra-wideband (UWB) coplanar-waveguide (CPW) antenna system for worn-on-body applications is developed in this article. The performance study of the proposed antenna is performed over a four-layer
Externí odkaz:
https://doaj.org/article/07cac22a99da4dd9a9808d8459fe90d7
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-17 (2023)
Abstract Assistive devices are becoming increasingly popular for physically disabled persons suffering tetraplegia and spinal cord injuries. Intraoral tongue drive system (iTDS) is one of the most feasible and non-invasive assistive technology (AT),
Externí odkaz:
https://doaj.org/article/a01fdcf0154f41ff8af47f2b307d3e78
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-16 (2023)
Abstract Cardiovascular diseases (CVDs) are one of the leading causes of death globally. The Internet of things (IoT) enabled with industrial, scientific, and medical (ISM) bands (2.45 and 5.8 GHz) facilitates pacemakers to remotely share heart healt
Externí odkaz:
https://doaj.org/article/a5a06990b8fd41e085c63389823e6cc4
Autor:
Kapil Gangwar, Gary Chien-Yi Chen, Kevin Khee-Meng Chan, Ravi Kumar Gangwar, Karumudi Rambabu
Publikováno v:
IEEE Access, Vol 9, Pp 150162-150171 (2021)
Miniaturized antenna system for the safety of miners in an underground mine for providing communication has been presented in this paper. Miniaturization of the proposed antennas is achieved by using printed inverted-F and inverted-L elements. The im
Externí odkaz:
https://doaj.org/article/41e82bd8d55a44f58c6c392c1bab8905
Publikováno v:
IEEE Access, Vol 8, Pp 65104-65115 (2020)
A novel dual band branch line coupler (BLC) has been proposed, designed, implemented, and analyzed in this paper. A dual band 4 $\times 4$ Butler matrix (BM) has also been developed by employing the proposed BLC. To realize the proposed BLC, PI and m
Externí odkaz:
https://doaj.org/article/5db0f63ef0b3431ca3517998e60efe43
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 13, Pp 1286-1297 (2020)
This article proposes a microwave sensing and imaging method for multiphase flow monitoring and metering in oil and gas pipes. The ultrawideband (UWB) synthetic aperture radar (SAR) technique is used to create a high-resolution image of the pipe cros
Externí odkaz:
https://doaj.org/article/9dd17d1a1bd049a7b2a74b1b83787ec3
Publikováno v:
IEEE Access, Vol 7, Pp 25046-25052 (2019)
A dual-band quadrature branch line coupler (BLC) with wide frequency ratio has been proposed in this paper. A dual-band quarter wave (λ/4) transmission line structure with wide frequency ratio operation has also been presented here with closed-form
Externí odkaz:
https://doaj.org/article/7324804eb915453b8a344f4d93b798bd
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 71:2245-2257
Publikováno v:
IEEE Transactions on Antennas and Propagation. 71:2145-2157