Zobrazeno 1 - 10
of 5 887
pro vyhledávání: '"Ultrawideband"'
Autor:
Masroor, Iqra, Ansari, Jamshed Aslam
Publikováno v:
Microelectronics International, 2023, Vol. 41, Issue 3, pp. 109-120.
Externí odkaz:
http://www.emeraldinsight.com/doi/10.1108/MI-12-2022-0201
Publikováno v:
Materials Today Advances, Vol 23, Iss , Pp 100518- (2024)
Among the green-cyan phosphors widely used in white LEDs, the full width at half maximum, thermal stability and quantum efficiency are key performance indicators. This kind of phosphor should have stable peak shape and peak position when working at d
Externí odkaz:
https://doaj.org/article/4fd24f1b527a4652a8cd234834b00be6
Autor:
Adnan Basir Patwary, Ifana Mahbub
Publikováno v:
IEEE Open Journal of Antennas and Propagation, Vol 5, Iss 2, Pp 354-367 (2024)
Wireless power transfer (WPT) using far-field microwave radiation beam can be used to power unmanned aerial vehicles (UAVs) thus eliminating the need to land on the ground to charge. In a distributed WPT system, impulse radio ultrawideband (IR-UWB) s
Externí odkaz:
https://doaj.org/article/c309e5508c214eedbbf2362c13c4067c
Publikováno v:
IEEE Transactions on Neural Systems and Rehabilitation Engineering, Vol 32, Pp 1034-1044 (2024)
While inertial measurement unit (IMU)-based motion capture (MoCap) systems have been gaining popularity for human movement analysis, they still suffer from long-term positioning errors due to accumulated drift and inefficient data transmission via Wi
Externí odkaz:
https://doaj.org/article/88b3043dacfe468984a301f874b47272
Publikováno v:
IEEE Access, Vol 12, Pp 26529-26535 (2024)
In this paper, a novel ultrawideband phased array is presented based on exponential curve modified dipoles. A tightly-coupled exponential curve modified dipole arm is used to extend the operating bandwidth with a simple coplanar strip structure, whic
Externí odkaz:
https://doaj.org/article/4f7ba71a39a94234ac90caf408fe1623
Autor:
Istiaq Hossain Chowdhury, Md. Musfiqur Rahman Mazumder, Sikder Sunbeam Islam, Mohammad Tariqul Islam, Mohamed S. Soliman, Md. Shabiul Islam
Publikováno v:
Ain Shams Engineering Journal, Vol 15, Iss 4, Pp 102653- (2024)
This article reveals and numerically analyzes a three-layer ultrawide-band nanostructured metamaterial absorber (MMA) formed of nickel, silicon dioxide, and nickel. It is possible to attain an absorption rate greater than 99 % for a bandwidth of 325
Externí odkaz:
https://doaj.org/article/1b33aad6c1cd4bd9a4f3e156bb837a32
Publikováno v:
COMPEL -The international journal for computation and mathematics in electrical and electronic engineering, 2023, Vol. 42, Issue 6, pp. 1609-1623.
Autor:
Jeonggi Yang, Soojeon Lee
Publikováno v:
ETRI Journal, Vol 45, Iss 5, Pp 758-767 (2023)
In this study, we introduce a loosely coupled relative position estimation method that utilizes a decentralized ultrawideband (UWB), Global Navigation Support System and inertial navigation system for flight controllers (FCs). Key obstacles to multid
Externí odkaz:
https://doaj.org/article/6224c4568d434515966f9a1d5d0bc0d5
Publikováno v:
Sensors, Vol 24, Iss 13, p 4295 (2024)
A sensitive, miniaturized, ultrawideband probe is proposed for near-field measurements. The proposed probe is based on a new V-shaped tip design and a slope structure resulting in better field distribution and impedance matching with a span bandwidth
Externí odkaz:
https://doaj.org/article/2add26bb3aa449b390c9dd71bc9d0da2
Publikováno v:
Alexandria Engineering Journal, Vol 79, Iss , Pp 402-410 (2023)
This paper presents a planar CPW-fed Ultrawideband (UWB) antenna with two independently tunable notch bands. The proposed design consists of a modified Rhombus-shaped monopole structure that is integrated with a dual band-stop filter based on hexagon
Externí odkaz:
https://doaj.org/article/34cac5813ef342329e720dcd09c26a6e