Results 81 to 90 of about 14,961,932 (301)

Design of Square Patch-Strip Bandpass FSS Using Equivalent Circuit Model [PDF]

open access: yesمجله مدل سازی در مهندسی, 2015
This paper uses an analytical formulas to estimate frequency response for the Square metal patch and strip periodic cells. Analytical expressions for frequency response are verified by fullwave simulations.
mahmoud fallah   +1 more
doaj   +1 more source

Robust Electrocaloric Performance Enabled by Highly‐Polar Frustrated Nanodomains in NaNbO3‐Based Ferrodistortive Relaxor

open access: yesAdvanced Functional Materials, EarlyView.
P4bm framework in NaNbO3‐Ba(Ti, Hf)O3 ferrodistortive relaxor entails short‐range and highly‐polar ferrodistortive orders. The abundant highly‐polar orders facilitate to increase entropy change, and robust octahedral oxygen tilt enables to impede thermal perturbations.
Feng Li   +11 more
wiley   +1 more source

Equivalent Circuit Models for Optical Amplifiers [PDF]

open access: yes, 2011
Electrical equivalent circuit models for optical components are useful as they allow existing, well-developed circuit simulators to be used in design and analysis of optoelectronic devices. A circuit simulator also allows integration with electrical components (package parasitic, laser driver circuit, etc.). Equivalent circuit models were developed and
Jau-Ji Jou, Cheng-Kuang Liu
openaire   +1 more source

Fully Additive Vertical Organic Electrochemical Transistors on Renewable and Compostable Substrates Enable Ultrasensitive Bioelectronics

open access: yesAdvanced Functional Materials, EarlyView.
Fully additive vertical organic electrochemical transistors (vOECTs) with channel‐length of 226 nm on a 50 µm compostable substrate achieve >106 current modulation and ∼36 mS transconductance. Ion‐selective integration enables 1.1 mA dec−1 sensitivity and 36 µm detection limit, highlighting a scalable platform for sustainable electronics and ...
Giulia Frusconi   +3 more
wiley   +1 more source

Small signal equivalent circuit model of vertical cavity surface emitting lasers

open access: yes, 2001
Small signal equivalent circuit model of vertical cavity surface emitting lasers (VCSEL's) is given in this paper. The modulation properties of VCSEL are simulated using this model in Pspice program.
Tang J   +8 more
core  

Equivalent circuit model analysis of vertical impact ionization MOSFET (IMOS) [PDF]

open access: yes, 2015
In this paper, an equivalent circuit model is proposed that describes the avalanche and snapback characteristics of Vertical Impact Ionization MOSFET (IMOS).
Nurmin Bolong   +8 more
core   +1 more source

Equivalent circuit modeling of a superconducting synchronous generator

open access: yesElectrical Engineering in Japan, 1977
A method is proposed for deriving the equivalent circuit of a superconducting synchronous generator of coreless structure. In deriving the equivalent circuit, account was taken of the nonlinearity of the electromagnetic shield. Linear constants of this equivalent circuit can be calculated directly using design data, and nonlinear constants are ...
openaire   +2 more sources

Historical Foundation and Practical Guideline for Ferroelectric Switching Kinetic Studies

open access: yesAdvanced Functional Materials, EarlyView.
The P and U pulses in the conventional PUND measurements are not identical because of the interplay between switching current and the measurement circuit components. This circuit effect can lead to a shift in polarization transients and misinterpreted physics in the switching kinetics.
Yi Liang, Pat Kezer, John T. Heron
wiley   +1 more source

A small signal equivalent circuit model for resonant tunnelling diode

open access: yes, 2006
We report a resonant tunneling diode (RTD) small signal equivalent circuit model consisting of quantum capacitance and quantum inductance. The model is verified through the actual InAs/In0.53Ga0.47As/AlAs RTD fabricated on an InP substrate.
Ma L (Ma Long)   +6 more
core  

A stable subgridding algorithm and its application to eigenvalue problems [PDF]

open access: yes, 1999
In this paper, a new and stable subgridding algorithm is proposed for three-dimensional problems which provides subgridding in both space and time. The concept of an equivalent-circuit representation and a novel leapfrog time integration scheme is used ...
Krishnaiah, KM, Railton, CJ
core   +1 more source

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