Results 11 to 20 of about 14,961,932 (301)

Delay-line stabilized microwave oscillator with frequency control [PDF]

open access: yes, 1997
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.The technique whereby the frequency of an oscillator is stabilized using an external feedback network incorporating a delay-line is extended in this thesis ...
Free, Charles Edward
core   +7 more sources

Study on the electrical characteristics of 6 × n cobweb cascaded circuit network model

open access: yesResults in Physics, 2022
Given the excellent topological properties of the cobweb model, the cobweb circuit network based on the cobweb model has attracted researchers' attention.
Feng-Hua Luo, Li-Jin Luo
doaj   +1 more source

Modified magnetic equivalent circuit model for magnetic field analysis of one cage‐rotor induction motor used in electric submersible pumps

open access: yesIET Electric Power Applications, 2023
Here, a modified magnetic equivalent circuit model which can accurately consider the air‐gap region is presented. The main defect of magnetic equivalent circuit model is in the modelling of air‐gap region.
Farhad Rezaee‐Alam   +2 more
doaj   +1 more source

Equivalent circuit of a dielectric in a wide frequency range (0 Hz – 500 MHz)

open access: yesФизика волновых процессов и радиотехнические системы, 2022
Based on the measured impedance of the dielectrics an equivalent high frequency (0 Hz - 500 MHz) circuit model was built. The equivalent circuit model was built taking into account the physical processes occurring in the dielectric.
Vladimir F. Dmitrikov   +1 more
doaj   +1 more source

Modelling of Supercapacitors Based on Simplified Equivalent Circuit [PDF]

open access: yesCPSS Transactions on Power Electronics and Applications, 2021
The need for energy storage devices especially in renewable energy applications has increased the use of supercapacitors. Accordingly, several supercapacitor models have been proposed in previous researches. Nevertheless, most of them require an intensive test to obtain the model parameters.
Sahin, Mustafa Ergin   +2 more
openaire   +1 more source

Two-port equivalent circuit model for UHVDC converter valves

open access: yesCSEE Journal of Power and Energy Systems, 2019
UHVDC converter valves during operation may experience overvoltage, which come from the AC or DC systems to which they are connected. Therefore, building an equivalent circuit model (ECM) for the converter valve to analyze the interlayer transient ...
Ning Chen   +5 more
doaj   +1 more source

Hybrid adaptive battery parameter estimation approach for equivalent circuit model toolbox

open access: yesSoftwareX, 2023
This article presents a software tool for estimating the equivalent circuit model (ECM) of lithium-ion batteries using battery voltage and current datasets based on dynamic and static RC loop curve fitting techniques.
Amin Najafi, Masoud Masih-Tehrani
doaj   +1 more source

Nonlinear Equivalent-Circuit Modeling of a Fast Photodiode [PDF]

open access: yesIEEE Photonics Technology Letters, 2014
A new nonlinear equivalent circuit model of a photodiode is proposed to describe the conversion of the laser relative intensity noise to microwave phase noise. This conversion is realized through a nonlinear RC circuit. The validity of this model has been confirmed by the good agreement between simulation and experimental results at different microwave
Abdallah, Zeina   +4 more
openaire   +2 more sources

Equivalent circuit of DQ model.

open access: yes, 2022
Equivalent circuit of DQ model.
Rosdiazli Ibrahim (14192857)   +3 more
core   +1 more source

Equivalent Circuit Model of Twisted Split Ring Frequency Selective Surfaces [PDF]

open access: yes, 2016
This paper proposes a wideband equivalent circuit model for a twisted split ring frequency selective surface (FSS). Such surfaces can be used for modelling and design of polarisation sensitive surfaces such as circularly polarized selective surfaces as ...
Fusco, Vincent; id_orcid   +1 more
core   +5 more sources

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