Results 31 to 40 of about 4,057 (212)
A Wide Multiband T-Slotted, Semicircular Microstrip Patch Antenna for WLAN/WiMAX Applications [PDF]
, 2017 A multifrequency semicircularmicrostrip antenna is designed and simulated in this paper using HFSS simulation software. The proposed antenna consists of two quarter rings in different radius with one as perfect ground and other as defect ground structure,
Iqtedar, M. (Madiha) +1 more
core +1 more source
IEEE Photonics Journal, 2009 Microwave signal generation from the saturable absorber of a monolithic quantum dot passively mode-locked laser is presented. We observe a differential efficiency of 33% that measures the optical-to-RF power conversion.
C.-Y. Lin +4 more
doaj +1 more source
IEEE Access, 2022 In this paper, the method of classical vector potential analysis along with the asymptotic strips boundary conditions (ASBC) is used to treat conducting strip grated dielectric pipes wrapped over core dielectric cylindrical rods.
Malcolm Ng Mou Kehn, Cheng-Yu Wu
doaj +1 more source
Beilstein Journal of Nanotechnology, 2022 Here we present the results of a numerical modeling of mode composition in the constriction of the Large Scale Polarization Explorer-Short-Wavelength Instrument for the Polarization Explorer (LSPE-SWIPE) back-to-back horn.
Alexander V. Chiginev +6 more
doaj +1 more source
The multifrequency Siberian Radioheliograph
, 2012 The 10-antenna prototype of the multifrequency Siberian radioheliograph is described. The prototype consists of four parts: antennas with broadband front-ends, analog back-ends, digital receivers and a correlator.
A. T. Altyntsev +13 more
core +1 more source
Adaptive Multichannel Terahertz Communication by Space-Time Shared Aperture Metasurfaces
IEEE Access, 2020 We propose a technique for adaptive multichannel communication in the low-terahertz frequency regime through simultaneous and independent multifrequency multibeam scanning via a single time-modulated metasurface consisting of graphene micro-patch ...
Hooman Barati Sedeh +2 more
doaj +1 more source
Multifrequency and multifunction antennas based on single printed technology partially filled with metamaterial structures [PDF]
, 2008 The Radiofrequency Group from the Escuela Politécnica Superior of the Carlos III University from Madrid have been working in printed antennas for a long time. Recently the new technology of metamaterials has opened new possibilities in the development of
Segovia Vargas, Daniel
core +1 more source
Cascaded four-wave mixing in tapered plasmonic nanoantenna
, 2012 We study theoretically the cascaded four-wave mixing (FWM) in broadband tapered plasmonic nanoantennas and demonstrate a 300-fold increase in nonlinear frequency conversion detected in the main lobe of the nanoantenna far-field pattern.
A. E. Miroshnichenko +24 more
core +1 more source
Multiple parasitic microstrip antenna for multifrequency behaviour
IEEE Antennas and Propagation Society International Symposium. Digest. Held in conjunction with: USNC/CNC/URSI North American Radio Sci. Meeting (Cat. No.03CH37450), 2004 A multifrequency microstrip patch antenna comprising a driven patch and a plurality of parasitic elements placed underneath a driven patch is proposed. The antenna features a multifrequency behavior (5 operating band) with similar performance.
Anguera Pros, Jaume +4 more
openaire +2 more sources
Age‐Dependent Correlation of Pulmonary Function Impairment and Aortic Arch Stiffness in Mice
Pediatric Discovery, EarlyView.This study examined the relationship between aortic arch stiffness and lung function in aging mice. Multiple linear regression modeling showed moderate to strong correlations between the rise in aortic arch stiffness and changes in lung function as the mice progressively aged.
Ayman Isbatan +10 more
wiley +1 more source