Zobrazeno 1 - 10
of 940
pro vyhledávání: '"high-power amplifier"'
Publikováno v:
Results in Engineering, Vol 23, Iss , Pp 102615- (2024)
Generalized frequency division multiplexing (GFDM) and non-orthogonal multiple access (NOMA) schemes are currently regarded as promising techniques for meeting the requirements of sixth-generation (6G) communication systems. While significant attenti
Externí odkaz:
https://doaj.org/article/23a27b408b7c43b49ca9ae322a9e0785
Autor:
Kamal K. Samanta
Publikováno v:
IEEE Journal of Microwaves, Vol 4, Iss 4, Pp 954-986 (2024)
Nuclear fusion on earth is a highly complex and challenging multidisciplinary field that aims to solve the global energy puzzle by providing infinite energy with zero carbon emissions. Achieving controlled thermonuclear fusion requires high-power RF
Externí odkaz:
https://doaj.org/article/2e4560e6d0924bc6af02a4c18eb4dfc3
Publikováno v:
International Journal of Technology, Vol 15, Iss 1, Pp 230-239 (2024)
Reliability of communications is of vital importance in military applications. Constellations are connecting coded words at different ends of the communication channel that indicate the correctness of the transmitted message. In this paper, we com
Externí odkaz:
https://doaj.org/article/3782986af9ad44f6875898e3c0875cf1
Autor:
Jihoon Kim
Publikováno v:
Micromachines, Vol 15, Iss 11, p 1381 (2024)
This review article investigates the current status and advances in Ku-band gallium nitride (GaN) high-electron mobility transistor (HEMT) high-power amplifiers (HPAs), which are critical for satellite communications, unmanned aerial vehicle (UAV) sy
Externí odkaz:
https://doaj.org/article/0949c7fbfa36448ab9889ca932a589f7
Publikováno v:
Sensors, Vol 24, Iss 21, p 6879 (2024)
This paper studies the performance of the communication link between a ground station and the satellites of a LEO constellation, employing code division multiplexing and a non-linear high-power amplifier. The analysis shows that the input power selec
Externí odkaz:
https://doaj.org/article/d7f6b278d65848aba1119fde982bfe9c
Autor:
Behzad Ahmadi, Ali Kheirdoost
Publikováno v:
International Journal of Information and Communication Technology Research, Vol 15, Iss 4, Pp 1-8 (2023)
An 8 port narrowband Radial Power Combiner (RPC) with excellent combining efficiency is presented. A novel useful criteria for optimal design of the RPC is developed and the design is studied based on it. Also to provide a reliable, tolerant and cost
Externí odkaz:
https://doaj.org/article/d01b6d27834345bcb674a07d8d98a163
Autor:
Mohammed I. Al-Rayif
Publikováno v:
Journal of Communications Software and Systems, Vol 18, Iss 4, Pp 301-310 (2022)
When dealing with the phenomenon of unexpected high peak-to-average power ratio (PAPR) caused by multicarrer techniques, it is rarely to find a proposed solution that addresses the most important challenges together, that are; reducing the PAPR, achi
Externí odkaz:
https://doaj.org/article/e9d69f29a3214fd38499b867697c9ac5
Publikováno v:
Energies, Vol 17, Iss 7, p 1581 (2024)
In recent years, there has been a trend toward expanding the operating frequency range and increasing the output power of Sound Navigation and Ranging (SONAR) systems to enhance their acoustic detection capabilities. However, due to this increase in
Externí odkaz:
https://doaj.org/article/d91da0d23f284abdb0010c4c81e14315
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