نتایج جستجو برای: superconducting inline antenna

تعداد نتایج: 82414  

Journal: :IEEE Antennas and Wireless Propagation Letters 2021

This letter presents a substrate-integrated waveguide (SIW) antenna for CubeSat applications. The compact structure utilizes middle-point feeding and shorting walls to achieve broadside radiation in the far-field at two distinct frequencies. In particular, this dual-frequency behavior is related transition from dominant leaky wave (LW) on aperture lower frequencies more hybrid (at higher freque...

Journal: :IEEE Transactions on Applied Superconductivity 2021

We characterized the performance of abiased superconducting nanowire to detect X-ray photons. The device, made a 10 nm thin NbTiN film and fabricated on dielectric substrate ( $SiO_{2}$ , Nb notation="LaTeX">$_{3}$</inline-fo...

1999
J. Scott Osberg Sue E. Schneps Carla Di Scala Guohua Li

Objective.-To describe circumstances, severity, and outcomes of skating-related injuries among children admitted to trauma centers. Design.-Cross-sectional comparison of roller skaters (N = 154), inline skaters (N = 190), and skateboarders (N = 254) age 5 to 19 who were hospitalized for their injuries. Setting.-79 hospitals and pediatric trauma centers participating in the National Pediatric Tr...

2003
Alvin Yeo

ED INLINE CODES Inline codes, such as markers for bold or italics, links information or image references, can be represented using either an encapsulation mechanism or a placeholder method. Those are derived respectively from TMX and OpenTag. The encapsulation mechanism consists of bracketing the inline codes between special elements. XLIFF keeps a syntax very close to TMX: (begin paired-...

Journal: :Problems of the Regional Energetics 2022

This work is devoted to the problem of effect a powerful ultra-short duration electromagnetic radiation on superconducting protection device as load antenna-feeder circuit radioelectronic systems. The above used in monitoring systems land surface benefit agriculture, geodesy, mapping, and ocean surfaces, and, also, atmospheric layers, remote control engineering industry related branches. goal w...

Journal: :TEION KOGAKU (Journal of the Cryogenic Society of Japan) 2006

Journal: : 2022

The device operates at temperatures &amp;lt;300 mK and comprises a hafnium microbridge superconducting aluminum tunnel junction both integrated into common coplanar waveguide. matches with planar antenna as an optical blackbody frequencies 600-700 GHz. terminal is the output in 1-2 GHz frequency range. temperature can be set range of 0.4-9 K calibrated using shot noise junction. Temperature mod...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ارومیه 1377

the methods which are used to analyze microstrip antennas, are divited into three categories: empirical methods, semi-empirical methods and full-wave analysis. empirical and semi-empirical methods are generally based on some fundamental simplifying assumptions about quality of surface current distribution and substrate thickness. thses simplificatioms cause low accuracy in field evaluation. ful...

2009
Daniel Ferguson Santavicca Anthony Annunziata Joel Chudow Yan Yin Veronica Savu Matthew Reese Briana Jewczyn

Bolometric Response of Superconducting Microbridges and Single-Walled Carbon Nanotubes Daniel Ferguson Santavicca 2009 A bolometer is a device that uses a temperature-dependent resistance to detect power. The strongly temperature-dependent resistance of a superconductor biased on its superconducting phase transition can be used to make an extremely sensitive bolometric detector. We have develop...

Journal: :IEEE Transactions on Antennas and Propagation 2021

A highly miniaturized 3-D spherical folded dipole antenna has been reported, for which inherent impedance matching is achieved with respect to a practical source by employing simple series– $LC$ loading combination, thereby engineerin...

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