Zobrazeno 1 - 10
of 11 825
pro vyhledávání: '"Input Impedance"'
Publikováno v:
Measurement Science Review, Vol 24, Iss 4, Pp 137-144 (2024)
In recent years, Piezoelectric Transformers (PTs) have become a great success due to their excellent properties, especially in applications requiring high voltage. The Rosen-type PT is well known for this performance, as its voltage gain at the reson
Externí odkaz:
https://doaj.org/article/7887a206b07b45ed8a0ee20ed541cf92
Autor:
R.A. Brazhe, E.Yu. Lebedev
Publikováno v:
Известия высших учебных заведений. Поволжский регион:Технические науки, Iss 2 (2024)
Background. Due to their multi- and broadband,miniaturization and planar design, fractal patch nanoantennas are widely used in wireless communication system in the gigahertz frequency range. There are successful attempts to use then also at teraher
Externí odkaz:
https://doaj.org/article/19d8d988e4c9489fb1d375e7dcd3e0a2
Publikováno v:
Journal of Electromagnetic Engineering and Science, Vol 24, Iss 2, Pp 129-137 (2024)
This paper introduces a feeding structure that employs a series capacitor and a parallel capacitor to control input impedance. Accordingly, a wide impedance bandwidth was achieved in a simulation. A comparative analysis of the characteristics of the
Externí odkaz:
https://doaj.org/article/86e33210f3824f5a89e4f562a5e14e97
Publikováno v:
IEEE Open Journal of Engineering in Medicine and Biology, Vol 5, Pp 650-660 (2024)
Goal: The goal of this study is to investigate the application of fractional-order calculus in modeling arterial compliance in human vascular aging. Methods: A novel fractional-order modified arterial Windkessel model that incorporates a fractional-o
Externí odkaz:
https://doaj.org/article/ca925f6c915e40448174a6f4d69a6fed
Autor:
Sameir M. Ali Hamed, Haitham Alsaif
Publikováno v:
IEEE Access, Vol 12, Pp 89353-89362 (2024)
This paper presents an exact series solution for fields radiated from a magnetic-frill source that is valid everywhere above the plane of the magnetic-frill. The derivation of the field expressions is based on Lommel expansions and direct integration
Externí odkaz:
https://doaj.org/article/be60eb7edf984a3c89cf84c2e2c6f508
Publikováno v:
Journal of Electromagnetic Engineering and Science, Vol 24, Iss 1, Pp 89-97 (2024)
This paper introduces a 4 × 4 multiple-input and multiple-output (MIMO) antenna application based on the conception of the characteristic mode of 5G terminals. The proposed antenna used a series capacitor and a parallel capacitor to control input im
Externí odkaz:
https://doaj.org/article/3d3541e5e3d3449b91f39d7ff6203ab1
Publikováno v:
Journal of Low Power Electronics and Applications, Vol 14, Iss 3, p 37 (2024)
Chopper and capacitively coupled techniques are employed in instrumentation amplifiers to create capacitively coupled chopper instrumentation amplifiers (CCIAs) that obtain a high noise power efficiency. However, the CCIA has some disadvantages due t
Externí odkaz:
https://doaj.org/article/82566c06125841149d3f64e545d7cc76
Publikováno v:
Xi'an Gongcheng Daxue xuebao, Vol 37, Iss 3, Pp 36-43 (2023)
In order to improve the application of copper powder in the field of microwave absorption, nickel coated copper powder and silver coated nickel coated copper composite powder were prepared by electroless plating method using copper powder as raw mate
Externí odkaz:
https://doaj.org/article/c79515560ca2412e970af20ff6c22632
Publikováno v:
CES Transactions on Electrical Machines and Systems, Vol 7, Iss 2, Pp 218-228 (2023)
Magnetically coupled resonant technology is a novel method for solving the breakpoint locating of power grounding grid. But the method can only detect breakpoints of a single mesh grounding grid at present. In this paper, a magnetically coupled reson
Externí odkaz:
https://doaj.org/article/bdbb2628e7da45759d74d7d4f052d15f
Autor:
Oleh Voznyak, Serhii Buriak
Publikováno v:
Transport Technologies, Vol 4, Iss 1, Pp 38-47 (2023)
This work aims to solve one of the essential problems in railway transport – control over the position of moving units within the race. A method of constant monitoring of the track circuit with a determination of the coordinate of the train shunt p
Externí odkaz:
https://doaj.org/article/512027ff87a4444fbd0930793fd0b932