Zobrazeno 1 - 10
of 271
pro vyhledávání: '"“VIRTUAL” ANTENNA ARRAY"'
Publikováno v:
Results in Engineering, Vol 24, Iss , Pp 103308- (2024)
This paper presents a novel array synthesis technique based on the virtual antenna array (VAA) concept for side lobe level (SLL) reduction of uniform planar antenna arrays (UPAA). The VAA decomposes the (M×N) UPAA into vertical and horizontal unifor
Externí odkaz:
https://doaj.org/article/eaa10296541541c6ba3a3d6270df9301
Publikováno v:
In Results in Engineering December 2024 24
Publikováno v:
Tongxin xuebao, Vol 44, Pp 143-150 (2023)
Aiming at the position perturbation of mobile platform, the impact of position perturbation was analyzed on distributed power combining efficiency.The model of distributed power combining with position perturbation was established, and the average fa
Externí odkaz:
https://doaj.org/article/1838299eb4c94fbb94a76395922eca28
Autor:
Mohammad Alibakhshikenari, Bal Virdee, Dion Mariyanayagam, Ignacio Garcia Zuazola, Haralambos Harry Benetatos, Ayman A. Althuwayb, Bader Alali, Kai-Da Xu, Francisco Falcone
Publikováno v:
Alexandria Engineering Journal, Vol 71, Iss , Pp 439-450 (2023)
This paper presents an innovative technique to synthesize a virtual antenna array (VAA) that consumes less energy than conventional antenna arrays that are used in mobile communications systems. We have shown that for a specific spectral efficiency a
Externí odkaz:
https://doaj.org/article/d6de6a97c3dd42339915e88a14eb95af
Autor:
Alberto Reyna, Jesús C. Garza, Luz I. Balderas, Jonathan Méndez, Marco A. Panduro, Gonzalo Maldonado, Lourdes Y. García
Publikováno v:
Applied Sciences, Vol 14, Iss 10, p 4219 (2024)
This paper proposes the design of virtual antenna arrays with frequency diversity for radar systems in fifth-generation flying ad hoc networks. These virtual arrays permit us to detect targets from the sky with flying drones. Each array element is co
Externí odkaz:
https://doaj.org/article/3c0031032bd7495da644b42794af62bd
Publikováno v:
Космические аппараты и технологии, Vol 7, Iss 1, Pp 60-67 (2023)
Telecommunications have penetrated deeply into all spheres of human activity. Due to the use of digital technologies, it has become possible to transmit and receive information of various kinds in one stream (not separately). Three geostationary sate
Externí odkaz:
https://doaj.org/article/d0334f22d58643efa2e9cadbc09a01b0
Akademický článek
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Publikováno v:
Journal of Telecommunications and Information Technology, Iss 1 (2023)
As the capabilities of individual nodes in wireless sensor networks increase, so does the opportunity to perform more complicated tasks, such as cooperative distributed beamforming to improve the range of communications and save precious battery powe
Externí odkaz:
https://doaj.org/article/d9bd6da9fe71465daf45551b67b3f8cb
Publikováno v:
IEEE Access, Vol 9, Pp 50949-50960 (2021)
In this paper, new virtual antenna array (VAA) based synthesis techniques are introduced for side lobe level (SLL) reduction, beam thinning, and number of elements minimization for elliptical cylindrical antenna arrays (ECAA) of radar systems. Thereb
Externí odkaz:
https://doaj.org/article/8698b5af63374b3fb85937b8b1f55396
Publikováno v:
IEEE Access, Vol 9, Pp 59420-59431 (2021)
Previously, we have proposed a pedestrian positioning method that uses vehicles near a pedestrian as anchors, and combines vehicle-to-vehicle (V2V) communication signals and GPS signals for high precision positioning. In this method, pedestrian-vehic
Externí odkaz:
https://doaj.org/article/fb3648a1dc244474ae83af5b0f409e38