Zobrazeno 1 - 10
of 1 392
pro vyhledávání: '"VECTOR NETWORK ANALYZER"'
Autor:
Justin Romstadt, Lukas Dierkes, Stephan Hauptmeier, Tobias T. Braun, Hakan Papurcu, Jens Richter, Pascal Stadler, Ahmad Zaben, Klaus Aufinger, Jan Barowski, Nils Pohl
Publikováno v:
IEEE Journal of Microwaves, Vol 4, Iss 4, Pp 706-720 (2024)
The need for size and cost-efficient vector network analyzer (VNA) frequency extension modules (VNAX module) is driven by new applications in research and industry. Responding to this potential demand, we present a novel D-band VNAX module based on a
Externí odkaz:
https://doaj.org/article/d49649fae04b4e68b48fb413deffc8ca
Publikováno v:
Applied Sciences, Vol 14, Iss 15, p 6644 (2024)
In this paper a novel optical vector network analyzer (OVNA) utilizing a distributed feedback semiconductor optical amplifier (DFB-SOA) is introduced. The proposed OVNA is implemented by converting the transmission response of the optical device unde
Externí odkaz:
https://doaj.org/article/2a54e2e351ec4d1bb10ac2e8e78d6f6e
Publikováno v:
Applied Mechanics, Vol 4, Iss 3, Pp 974-989 (2023)
In this study, we examined the impact of carbon nanotube (CNT) concentration on the mechanical properties of epoxy/CNT composites under acid exposure. Samples with varying CNT concentrations (0% to 5%) were fabricated and characterized using dynamic
Externí odkaz:
https://doaj.org/article/37bcf83e8dc94cc19cb212506fe6ea93
Publikováno v:
Doklady Belorusskogo gosudarstvennogo universiteta informatiki i radioèlektroniki, Vol 21, Iss 3, Pp 26-33 (2023)
To study the S-parameters and dielectric permittivity of polycor and GaAs samples, a vector network analyzer R4-MWM-118 with a special measuring cell and a modified Nicholson–Ross–Weir method were used. The use of polynomial Chebyshev criteria in
Externí odkaz:
https://doaj.org/article/2124286de57c44c08fe6abcbf131f1a5
Publikováno v:
Sensors, Vol 24, Iss 11, p 3668 (2024)
S-parameters are widely used to detail the scattering parameters of radio frequency (RF) components and microwave circuit modules. The vector network analyzer (VNA) is the most commonly used device for measuring S-parameters. Given the multiple frequ
Externí odkaz:
https://doaj.org/article/f3d91a4f71b84c70ace24a7b78cd8d60
Publikováno v:
Sensors, Vol 24, Iss 8, p 2563 (2024)
Active medical devices rely on a source of energy that is applied to the human body for specific purposes such as electrosurgery, ultrasounds for breaking up kidney stones (lithotripsy), laser irradiation, and other medical techniques and procedures
Externí odkaz:
https://doaj.org/article/ca4d3eaa3c964c5b80ff4f241674f4b7
Publikováno v:
IEEE Open Journal of Instrumentation and Measurement, Vol 2, Pp 1-12 (2023)
This article presents a new technique for evaluating the consistency of the reference impedance in multiline thru–reflect–line (TRL) calibration. During the calibration process, it is assumed that all transmission line standards have the same cha
Externí odkaz:
https://doaj.org/article/cedb5072e1204eb799f42b014c62b89b
Publikováno v:
Journal of Electromagnetic Engineering and Science, Vol 23, Iss 1, Pp 1-9 (2023)
This paper presents a measurement method for the shielding effectiveness (SE) of a personal computer (PC) case using three-axis electrooptic sensors and a vector network analyzer (VNA). The SE is obtained by taking the difference between the logarith
Externí odkaz:
https://doaj.org/article/db0879d1b3124284ab2df4a3a97be49c
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