Zobrazeno 1 - 10
of 3 035
pro vyhledávání: '"Millimetre wave"'
Autor:
Amar Al‐Jzari, Sana Salous
Publikováno v:
IET Microwaves, Antennas & Propagation, Vol 18, Iss 9, Pp 667-680 (2024)
Abstract Single‐input single‐output (SISO) three‐dimensional (3D) wideband indoor directional measurements collected in a factory environment and an office environment at 38 and 70 GHz are presented. 3D single‐input multiple‐output (SIMO) d
Externí odkaz:
https://doaj.org/article/3787a3776ff047dcad9fb50c90091029
Publikováno v:
IET Microwaves, Antennas & Propagation, Vol 18, Iss 9, Pp 637-645 (2024)
Abstract New coupling scheme substrate‐integrated waveguide (SIW) diplexers based on dual‐mode cavities are proposed for millimetre‐wave applications. Dual‐mode SIW cavities are simultaneously employed in common input and coupling cavity to p
Externí odkaz:
https://doaj.org/article/b3baaab273454a21bdfcb1a2ebd7147a
Publikováno v:
IET Microwaves, Antennas & Propagation, Vol 18, Iss 11, Pp 810-818 (2024)
Abstract This paper presents a novel millimetre‐wave (mmWave) 2D wide‐angle scanning (WAS) phased array antenna (PAA) based on decoupling surface (DS). The proposed element is a coaxial feeding stacked patch antenna structure that consists of an
Externí odkaz:
https://doaj.org/article/86436fa8fbf3458084c80a1c97d8c063
Publikováno v:
IET Microwaves, Antennas & Propagation, Vol 18, Iss 8, Pp 601-607 (2024)
Abstract A single‐layered W band circularly polarised (CP) antenna array fed by a sequential feeding network using compact gap waveguides (GWs) with reduced pins is presented. The radiating element consists of a pair of cross slots and an open‐en
Externí odkaz:
https://doaj.org/article/58e74cfb0f7e49d5a0bfa7074241e0f2
Publikováno v:
IET Radar, Sonar & Navigation, Vol 18, Iss 8, Pp 1381-1389 (2024)
Abstract Gait recognition is to recognise different individuals based on their faint differences of gait characteristics, which is different from and more challengeable than the recognition of human activities based on relatively bigger differences b
Externí odkaz:
https://doaj.org/article/24d5c21ae8dd48c1bebb7f1889f79a7e
Publikováno v:
IET Microwaves, Antennas & Propagation, Vol 18, Iss 7, Pp 494-504 (2024)
Abstract The authors present spatio‐temporally resolved wideband measurements of Sub‐Terahertz (Sub‐THz) reflection coefficients in the frequency range of 92–110 GHz. A stochastic model for single reflection fixed links that is capable of mod
Externí odkaz:
https://doaj.org/article/7f8612e40d6b4160b9573106b9c2fae0
Publikováno v:
IET Radar, Sonar & Navigation, Vol 18, Iss 7, Pp 1094-1105 (2024)
Abstract A novel method is proposed for rail fastener detection based on millimetre‐wave (mmWave) radar, mmWave radar fastener counter (MMW‐FC), which can accurately detect and record the fasteners in real‐time as the train traverses its route.
Externí odkaz:
https://doaj.org/article/f16f28dc4bfc44faa5131756436e74c6
Publikováno v:
IET Microwaves, Antennas & Propagation, Vol 18, Iss 6, Pp 447-458 (2024)
Abstract Conventionally, both electrically larger (EL) arrays and sparse arrays offer the advantage of element number reduction but disadvantage of high sidelobe levels. A new scheme of planar EL sparse array antenna based on a genetic algorithm (GA)
Externí odkaz:
https://doaj.org/article/0a28f05b7b2043f9827e92b68661a375
Publikováno v:
Electronics Letters, Vol 60, Iss 21, Pp n/a-n/a (2024)
Abstract This letter presents a model based on the Cramér–Rao bound theory for calculating the theoretical lower limit of imaging resolution of microwave computational imaging aided by re‐configurable metasurface. The model takes into account tw
Externí odkaz:
https://doaj.org/article/ef5b728a698b4a09a94217e67778f2ad
Autor:
Pouya Akhoundzadeh, Ghasem Mirjalily
Publikováno v:
Electronics Letters, Vol 60, Iss 20, Pp n/a-n/a (2024)
Abstract In this paper, with the promising assumption of using adaptive directional microstrip antenna on user equipment, the problem of joint antenna selection, spectrum assignment, and transmit power allocation for mm‐wave device‐to‐device co
Externí odkaz:
https://doaj.org/article/e359109cd9bc4d2d94e28e5f075e1442