Results 251 to 260 of about 14,176,106 (302)
Some of the next articles are maybe not open access.
Proceedings of International Conference on Particle Accelerators, 2002
The bunch current in LEP is limited by collective effects slightly below its design value. To understand this limitation, a set of experiments has been carried out to obtain a model of the impedance seen by the circulating beam. From measurements of the current dependance of the synchrotron and betatron frequencies information about the longitudinal ...
D. Brandt +11 more
openaire +1 more source
The bunch current in LEP is limited by collective effects slightly below its design value. To understand this limitation, a set of experiments has been carried out to obtain a model of the impedance seen by the circulating beam. From measurements of the current dependance of the synchrotron and betatron frequencies information about the longitudinal ...
D. Brandt +11 more
openaire +1 more source
Modeling of Subdiffusion Impedance in Multilayer Nanostructures
2021 11th International Conference on Advanced Computer Information Technologies (ACIT), 2021Mathematical model of the subdiffusion impedance in multilayer nanostructures is considered on the basis of the Cattaneo-type diffusion equation in fractional derivatives. The Nyquist diagrams are calculated for different values of subdiffusion coefficient and time parameter (time for which the flow delays concerning the gradient of charge carriers ...
Petro Kostrobij +5 more
openaire +2 more sources
The impedance fault model and design for robust impedance fault testability
1991 IEEE International Conference on Computer-Aided Design Digest of Technical Papers, 2002It is pointed out that advanced submicron CMOS processes result in failure mechanisms that tend to be increasingly analog in nature. They are not adequately covered by stuck-at, stuck-on, or stuck-open models. Furthermore, delay faults, spot defect models, and IDDQ approaches only cover restricted subsets of the dominant failure mechanisms.
Mark D. Sloan +2 more
openaire +1 more source
2018
The impedance budget for the eRHIC project is discussed at its earlier stage of development. As a first step, with the eRHIC lattice and beam parameters , we use the geometric impedances of the vacuum chamber components simulated for the NSLS-II project.
Blednykh, Alexei +6 more
openaire +1 more source
The impedance budget for the eRHIC project is discussed at its earlier stage of development. As a first step, with the eRHIC lattice and beam parameters , we use the geometric impedances of the vacuum chamber components simulated for the NSLS-II project.
Blednykh, Alexei +6 more
openaire +1 more source
Radioengineering
Models of black anisotropic bodies are proposed, realized by a fine lattice of orthogonal impedance bands with generally variable orientation on the surface. Using flat surfaces and bodies of arbitrary shape as examples, it is shown that the impedance of a black anisotropic body is a complex quantity, the real part of which (resistance) can take both ...
T.Yu. Privavova, Yu.V. Yukhanov
openaire +1 more source
Models of black anisotropic bodies are proposed, realized by a fine lattice of orthogonal impedance bands with generally variable orientation on the surface. Using flat surfaces and bodies of arbitrary shape as examples, it is shown that the impedance of a black anisotropic body is a complex quantity, the real part of which (resistance) can take both ...
T.Yu. Privavova, Yu.V. Yukhanov
openaire +1 more source
Mapping the Impedance Spectrum of Montague Model of Skin Impedance
2018 4th International Conference for Convergence in Technology (I2CT), 2018Transdermal drug delivery is a non-invasive method of drug administration. However to achieve this, drug has to pass through the complicated structure of skin. Complex structure of skin can be modeled by electrical equivalent circuit to calculate its impedance which is frequency dependent.
Dhruba Jyoti Bora, Rajdeep Dasgupta
openaire +1 more source
Modelling respiratory impedance in patients with kyphoscoliosis
Biomedical Signal Processing and Control, 2014Abstract When a nonlinear biological system is under analysis, one may employ linear and nonlinear tools. Linear tools such as fractional order lumped impedance models have not been previously employed to characterize difference between healthy volunteers and patients diagnosed with kyphoscoliosis (KS).
Clara M. Ionescu +2 more
openaire +2 more sources
Impedance modeling of modular multilevel converters
IECON 2015 - 41st Annual Conference of the IEEE Industrial Electronics Society, 2015The impedance modeling of modular multilevel converters (MMCs) is a prerequisite for applying the impedance-based stability analysis method to an MMC-based high-voltage direct current (MMC-HVDC) transmission system. The objective of this paper is to develop impedance models of a three-phase MMC in order to assess its stability.
Jing Lyu, Xu Cai, Marta Molinas
openaire +2 more sources
Modeling of respiratory system impedances in dogs
Journal of Applied Physiology, 1987Mechanical impedances between 4 and 64 Hz of the respiratory system in dogs have been reported (A.C. Jackson et al. J. Appl. Physiol. 57: 34–39, 1984) previously by this laboratory. It was observed that resistance (the real part of impedance) decreased slightly with frequency between 4 and 22 Hz then increased considerably with frequency above 22 Hz ...
A C, Jackson, K R, Lutchen
openaire +2 more sources
Instantaneous model impedance control for robots
Proceedings. 2000 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS 2000) (Cat. No.00CH37113), 2002We propose a new method for implementing impedance control, which is designed to take advantage of the error-correction capabilities of position controllers, while maintaining good impedance tracking performance. The proposed instantaneous model impedance control re-initializes the impedance model to the current position of the robot so the model does ...
Tomer Valency, Miriam Zacksenhouse
openaire +2 more sources