Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Raju Ahamed"'
Autor:
Md. Najmussadat, Raju Ahamed, Mikko Varonen, Dristy Parveg, Mikko Kantanen, Kari A. I. Halonen
Publikováno v:
IEEE Access, Vol 11, Pp 23565-23577 (2023)
This paper focuses on the design aspects of the key components for a scalable phased-array system over the 200 GHz frequency range. A high-gain phase shifter chain for 220 to 240 GHz frequency range and a high-gain power amplifier (PA) with a high ou
Externí odkaz:
https://doaj.org/article/85649d32ef8d47a0b95fb627a5c49c7b
Autor:
Mahadi Hasan Masud, Md Nuruzzaman, Raju Ahamed, Anan Ashrabi Ananno, A. N. M. Amanullah Tomal
Publikováno v:
International Journal of Sustainable Energy, Vol 39, Iss 2, Pp 132-175 (2020)
Energy insufficiency is obstructing the socio-economic and industrial improvement of Bangladesh. Renewable energy contributes about 560 Megawatt (MW) of the total electricity production of 20,430 MW, which can be a sustainable solution to the demand-
Externí odkaz:
https://doaj.org/article/d96a2498ebcc4415beeb97cfcadf50e0
Publikováno v:
IEEE Transactions on Magnetics. 58:1-18
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e5c455ba4682e4780393999411b79f3c
https://doi.org/10.1109/tmag.2022.3180812
https://doi.org/10.1109/tmag.2022.3180812
Publikováno v:
Ahamed, R, Varonen, M, Parveg, D, Najmussadat, M, Tawfik, Y & Halonen, K A I 2022, ' A 200-250-GHz Phase Shifter Utilizing a Compact and Wideband Differential Quadrature Coupler ', IEEE Microwave and Wireless Components Letters, vol. 32, no. 7, pp. 883-886 . https://doi.org/10.1109/LMWC.2022.3157790
This letter presents the design of a 200-250-GHz compact vector modulator (VM) phase shifter in a 0.13- μm SiGe bipolar complementary metal-oxide-semiconductor (BiCMOS) technology. A compact, low-loss, and wideband differential quadrature coupler is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9ddb65360acdb6d9d773f0901c6f9e77
https://cris.vtt.fi/en/publications/67f19737-6a70-4b86-bf87-a35491b55d90
https://cris.vtt.fi/en/publications/67f19737-6a70-4b86-bf87-a35491b55d90
This paper aims to study the dynamics of the single-degree-of-freedom (SDOF) magnetic spring based oscillator system. The proposed oscillator system contains a nonmagnetic shaft, a floating permanent magnet (PM), and two fixed permanent magnets (PMs)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8f62fca70bda8be54e13ad8685a2bac0
https://doi.org/10.21203/rs.3.rs-2127454/v1
https://doi.org/10.21203/rs.3.rs-2127454/v1
Autor:
Muhammad Mahbubur Rashid, Raju Ahamed
Publikováno v:
Studies in Systems, Decision and Control ISBN: 9783030745394
For underwater observation and exploration, the accurate measurement of few basic parameters is very important. During measurement process underwater noise plays an adverse effect, so noise measurement is essential to refine the result of other param
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7ebbb31400e892df2ca18540a6b00bd3
https://doi.org/10.1007/978-3-030-74540-0_10
https://doi.org/10.1007/978-3-030-74540-0_10
Publikováno v:
2021 International Conference on Science & Contemporary Technologies (ICSCT).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fe4dea0877d49a8694dce9a6095dda3c
https://doi.org/10.1109/icsct53883.2021.9642543
https://doi.org/10.1109/icsct53883.2021.9642543
Publikováno v:
International Journal of Sustainable Energy. 39:132-175
Energy insufficiency is obstructing the socio-economic and industrial improvement of Bangladesh. Renewable energy contributes about 560 Megawatt (MW) of the total electricity production of 20,430 M...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1950984419bd35d568ddf75ba32d8655
https://doi.org/10.1080/14786451.2019.1659270
https://doi.org/10.1080/14786451.2019.1659270
Autor:
Dristy Parveg, Jan-Erik Holmberg, Kari Halonen, Mikko Varonen, Jan Saijets, Mikko Kantanen, Raju Ahamed
Publikováno v:
Ahamed, R, Varonen, M, Holmberg, J, Parveg, D, Kantanen, M, Saijets, J & Halonen, K A I 2019, ' A 71–76 GHz wideband receiver front-end for phased array applications in 0.13 μm SiGe BiCMOS technology ', Analog Integrated Circuits and Signal Processing, vol. 98, no. 3, pp. 465-476 . https://doi.org/10.1007/s10470-018-1268-4
This paper presents the design of a millimeter-wave wideband receiver front-end in a 0.13 $$\upmu$$ m SiGe BiCMOS technology for phased array applications. The receiver front-end is suitable for a phased array time-division duplexing communication sy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cbff38918ce93a86da3403747d5da7b3
https://cris.vtt.fi/en/publications/3b8bac3e-502f-4b3b-872b-7e25638507c6
https://cris.vtt.fi/en/publications/3b8bac3e-502f-4b3b-872b-7e25638507c6
Autor:
Raju Ahamed, Mohammad U. H. Joardder, Mahadi Hasan Masud, Amit Md. Estiaque Arefin, Anan Ashrabi Ananno, Pronob Das
Publikováno v:
Clean Technologies and Environmental Policy. 21:719-731
This paper presents the state of the art of the current status, techniques used for conversion, possible future prospects, policies and challenges of biomass energy in the context of Bangladesh. It is seen that the utilization of biomass energy is in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0c108be4b34b0e0e0789257cdb104b61
https://doi.org/10.1007/s10098-019-01668-2
https://doi.org/10.1007/s10098-019-01668-2