Results 71 to 80 of about 3,465,599 (389)
Advanced Optical Materials, EarlyView.Demonstration of an electro‐optic phase shifter fabricated by inkjet printing liquid crystal on an integrated silicon photonics chip surface. On a completed silicon photonics wafer (including modulators, detectors, and metallization), the back‐end‐of‐line stack is opened up to inkjet‐print liquid crystal. A phase shift of 6 for 2.7 V is obtained within
Lukas Van Iseghem +10 more
wiley +1 more source
Design of Waveguide NbN‐Based Superconductor–Insulator–Superconductor Mixer for 650 GHz
Advanced Photonics Research, EarlyView.This research work focuses on a waveguide NbN‐based superconductor–insulator–superconductor mixer operating at 650 GHz. The signal coupling circuit is designed using a waveguide‐microstrip coupling structure, and the return loss obtained is lower than −16 dB. For the mixing circuit, its return loss is less than −7.5 dB, and the return loss reduces with
Lianhao He, Fangting Lin, Xiaoyong He
wiley +1 more source
A Taxonomy of Polytomous Item Response Models [PDF]
arXiv, 2020 A common framework is provided that comprises classical ordinal item response models as the cumulative, sequential and adjacent categories models as well as nominal response models and item response tree models. The taxonomy is based on the ways binary models can be seen as building blocks of the various models.
arxiv
Prospects for Declarative Mathematical Modeling of Complex Biological Systems [PDF]
Bull. Math. Biol. (2019), 2018 Declarative modeling uses symbolic expressions to represent models. With such expressions one can formalize high-level mathematical computations on models that would be difficult or impossible to perform directly on a lower-level simulation program, in a general-purpose programming language.
arxiv +1 more source
A lumped-parameter model of the cerebrospinal system for simulating syringomyelia [PDF]
, 2009 This paper was presented at the 2nd Micro and Nano Flows Conference (MNF2009), which was held at Brunel University, West London, UK. The conference was organised by Brunel University and supported by the Institution of Mechanical Engineers, IPEM, the ...
2nd Micro and Nano Flows Conference (MNF2009) +3 more
core
Advanced Theory and Simulations, EarlyView.This study evaluates the simulation capabilities of lithium‐ion battery (LIB) electrochemical simulation software packages. The benchmark simulation results reveal the impacts of parameter sensitivity to solver performance and stability. The guidelines to troubleshooting common solver failures at high current rates lowers the steep learning curve to ...
Kenneth C. Nwanoro +2 more
wiley +1 more source
Parameter Identification on Lumped Parameters of the Hydraulic Engine Mount Model
MATEC Web of Conferences, 2016 Hydraulic Engine Mounts (HEM) are important vibration isolation components with compound structure in the vehicle powertrain mounting system. They have the characteristic that large damping and high dynamic stiffness in the high frequency region, and ...
Li Qian +4 more
doaj +1 more source
An improved lumped parameter method for building thermal modelling [PDF]
, 2014 In this work an improved method for the simplified modelling of the thermal response of building elements has been developed based on a 5-parameter second-order lumped parameter model.
Underwood, Chris
core +1 more source
VOx‐Based Non‐Volatile Radio‐Frequency Switches for Reconfigurable Filter
Advanced Science, EarlyView.Vanadium oxide‐based memristor devices achieve high performance for next‐generation non‐volatile memory and RF switches. These devices demonstrate a cutoff frequency of ≈4.5 THz, low insertion loss (<0.46 dB), and high isolation (>20 dB) from 0.1 to 20 GHz with stable operation extended to 67 GHz.
Dabin Seo +6 more
wiley +1 more source
CINDA - Chrysler Improved Numerical Differencing Analyzer computer program [PDF]
, 1967 Dimensionless multioption systems compiler computer program constructs and analyzes a mathematical model of any arbitrary one, two, or three dimensional lumped parameter representation of a physical system.
Gaski, J. D., Lewis, D. R.
core +1 more source