Results 81 to 90 of about 1,759,075 (150)

Approximation methods for hybrid diffusion systems with state-dependent switching processes : numerical algorithms and existence and uniqueness of solutions [PDF]

open access: yes, 2010
By focusing on hybrid diffusions in which continuous dynamics and discrete events coexist, this work is concerned with approximation of solutions for hybrid stochastic differential equations with a state-dependent switching process.
Yuan, Chenggui   +3 more
core  

A sensorless control strategy for PMSM based on high frequency square wave voltage injection at low switching frequency

open access: yes机车电传动
This paper presents an estimation method of rotor position at low speeds for permanent magnet synchronous motors (PMSM), using a high frequency (HF) square wave voltage injection technique at a low switching frequency.
DONG Shifan   +5 more
doaj  

Two-stage index computation for bandits with switching penalties II : switching delays [PDF]

open access: yes
This paper addresses the multi-armed bandit problem with switching penalties including both costs and delays, extending results of the companion paper [J. Niño-Mora.
Jose Nino-Mora
core  

Regime switching GARCH models [PDF]

open access: yes
We develop univariate regime-switching GARCH (RS-GARCH) models wherein the conditional variance switches in time from one GARCH process to another. The switching is governed by a time-varying probability, specified as a function of past information.
Luc, BAUWENS   +2 more
core  

Optical code label switching and its applications

open access: yes, 2006
K. KITAYAMA   +6 more
core   +1 more source

Laser Q-switching [PDF]

open access: yesNature Photonics, 2014
openaire   +1 more source
Some of the next articles are maybe not open access.

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Vitreolysis With the Q-Switched Laser

Archives of Ophthalmology, 1985
We present an overview concerning the current status of photodisruptive methods used in the treatment of pathologic changes in the vitreous space. In one series of 320 cases studied, 65% of the planned dissections of pathologic structures were successful. In a second series of 34 more complicated cases, the success rate was even lower.
F, Fankhauser   +2 more
openaire   +2 more sources

Q-Switch Modulator as a Pulse Shaper in Q-Switched Fiber Lasers

IEEE Photonics Technology Letters, 2012
An experimental study of several operation regimes of Q-switch modulator and their impact on the shape of Q-switched fiber laser pulses are discussed. It is shown that various Q-switch regimes including classical Q-switch, simultaneous Q-switch with quasi-mode-locking, or Q-switch with reduced interval between subpulses can be easily obtained using ...
Luis Escalante-Zarate   +3 more
openaire   +1 more source

Q-Switched Laser Goniopuncture

Archives of Ophthalmology, 1974
A new approach to treatment of glaucoma has been tried, in which Q-switched laser bursts are delivered to the anterior chamber angle. Nonthermal effects emerge as an important factor in the biological action of such laser impulses. Laser-induced defects in the filtering zone produced by Q-switched impulses have been traced histologically.
openaire   +2 more sources

Q-switching technologies: limitations and opportunities: finding the right Q-switch

SPIE Proceedings, 2009
Q-switches for laser ignition applications must meet a unique set of requirements. The inherent challenges to providing extremely reliable, compact, practical, and cost effective devices are daunting. The capabilities and limitations of various passive and active technologies will be explored and compared against generic laser driven ignition ...
openaire   +1 more source

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