Concept

Unambiguous finite automaton

Related publications (49)

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Drainage of a saturated horizontal aquifer following a sudden drawdown is reanalyzed using the Boussinesq equation. The effect of the finite length of the aquifer is considered in detail. An analytical approximation based on a superposition principle yield ...

2001

Rigorous three-dimensional analysis of surface-relief gratings using a spectral collocation method

Jan Sickmann Hesthaven

We present a general 3-D spectral collocation method for the analysis of diffractive optical elements (DOEs). The method computes a direct solution to the Maxwell's equations in the time domain. The computational domain is decomposed into a number of small ...

SPIE2000

Rigorous analysis of focusing grating couplers using a time-domain spectral collocation method

Jan Sickmann Hesthaven

Diffractive optical elements comprising sub-wavelength aperiodic surface reliefs of finite length require the use of rigorous solvers for Maxwell's equations. We present a detailed analysis of Focusing Grating Couplers (FGC's) using a recently introduced 2 ...

SPIE2000

Policy optimization for dynamic power management

Giovanni De Micheli, Luca Benini

Dynamic power management schemes (also called policies) reduce the power consumption of complex electronic systems by trading off performance for power in a controlled fashion, taking system workload into account. In a power-managed system it is possible t ...

1999

Generalized field propagator for arbitrary finite-size photonic band gap structures

Olivier Martin

We investigate the properties of photonic band gap structures of finite size and arbitrary geometry using the density of states deduced from scattering calculations. We first demonstrate this procedure on a finite 2D array of cylinders and then study at op ...

American Physical Society1999

Exact field-to-transmission line coupling equations for lines of finite length

Michel Ianoz

In this paper, the authors further validate a theory presented previously by themselves for evaluating currents induced by external electromagnetic fields on a finite-length horizontal wire above a perfectly conducting ground. They present an approach to g ...

1996

Electromagnetic field coupling to a line of finite length: theory and fast iterative solutions in frequency and time domains

Michel Ianoz

A system of integral-differential equations for evaluating currents and voltages induced by external electromagnetic fields on a finite-length horizontal wire above a perfectly conducting ground is derived under the thin wire approximation. Based on pertur ...

1995

We present an iterative approach to correct the results obtained using the transmission line (TL) approximation for lines of finite length above a perfectly conducting X ground. The method can be applied both in the frequency- and in the time-domain. The p ...

1994

Exit condition for miscible displacement experiments in finite columns

David Andrew Barry

The one-dimensional solute transport is analyzed with the convection-dispersion model, including first and zeroth order irreversible reaction. A simple analytical expression is derived for the residence concentration which depends explicitly on the exit co ...

1992