Results 241 to 250 of about 373,311 (286)

Brain Clearance of Contrast Agent in Intravenous DCE-MRI Is Measurable and Cannot Be Explained by Clearance Across the BBB Alone. [PDF]

open access: yesMagn Reson Med
Kozár M   +8 more
europepmc   +1 more source

Instantaneous impulse response of nonlinear system

IEEE Transactions on Automatic Control, 2000
The problem of defining a class of mathematical models for impulsive control of nonlinear systems is approached. The models accommodate the details of impulsive input realization and reflect the dependency of the impulse response on the way the input is implemented.
Yury Orlov
exaly   +2 more sources

Variational method to differential equations with instantaneous and non-instantaneous impulses

Applied Mathematics Letters, 2019
A second-order differential equation with non-instantaneous impulses is studied. It is a partial case of instantaneous impulses. Applying a variational method, the existence of classical solutions is proved.
Zhang Min
exaly   +2 more sources

A digital instantaneous impulse rate meter for neural activity

Electroencephalography and Clinical Neurophysiology, 1975
An instantaneous impulse rate meter is described, which can be used fro the precise instantaneous conversion of neural or heart activity trains in real time. The device is designed in digital technology to meet various requirements which are important for physiological reserach laboratories.
R Eckmiller
exaly   +3 more sources

A new current control of High Instantaneous Power Impulse Converter

IECON 2015 - 41st Annual Conference of the IEEE Industrial Electronics Society, 2015
This paper presents a new control algorithm of High Instantaneous Power Impulse Converter (HIPIC). HIPIC is characterized by high power in megawatt range delivered to the output in very short time. A new algorithm allows fast rising of output current to the set value and a proper peak current control during the impulse by using two types of controllers:
Sebastian Stynski   +2 more
exaly   +2 more sources

Approximate Controllability for a Class of Instantaneous and Non-instantaneous Impulsive Semilinear Systems

Journal of Dynamical and Control Systems, 2021
The authors study a class of abstract functional differential equations with continuous-time dynamics interspersed with impulses. At the time of an impulse \(t=s^-\), the system state \(x(t)\) changes according to the equation \[ x(s) = g(s, x(s^-)). \] Between impulses, the state \(x\) is either governed by the abstract differential equation \[ \dot{x}
Surendra Kumar, Syed Mohammad Abdal
openaire   +1 more source

Pest control switching models with instantaneous and non-instantaneous impulsive effects

Mathematics and Computers in Simulation, 2023
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Jingna Liu   +3 more
openaire   +1 more source

Variational approach to fractional Dirichlet problem with instantaneous and non-instantaneous impulses

Applied Mathematics Letters, 2020
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Wei Zhang 0232, Wenbin Liu
openaire   +1 more source

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