Publications related to Bounding the Polynomial Approximation Errors of Frequency Response Functions

Conic Programming Reformulations of Two-Stage Distributionally Robust Linear Programs over Wasserstein Balls

Adaptive robust optimization problems are usually solved approximately by restricting the adaptive decisions to simple parametric decision rules. However, the corresponding approximation error can be substantial. In this paper we show that two-stage robust ...

2018

A Versatile Noise Performance Metric for Electrical Impedance Tomography Algorithms

Jean-Philippe Thiran, Fabian Braun, Martin Proença

Electrical impedance tomography (EIT) is an emerging technology for real-time monitoring of patients under mechanical ventilation. EIT has the potential to offer continuous medical monitoring while being noninvasive, radiation free, and low cost. Due to th ...

Ieee-Inst Electrical Electronics Engineers Inc2017

Multiresolution Subdivision Snakes

Michaël Unser, Daniel Andreas Schmitter, Virginie Sophie Uhlmann, Anaïs Laure Marie-Thérèse Badoual

We present a new family of snakes that satisfy the property of multiresolution by exploiting subdivision schemes. We show in a generic way how to construct such snakes based on an admissible subdivision mask. We derive the necessary energy formulations and ...

2017

Rise time reduction of thermal actuators operated in air and water through optimized pre-shaped open-loop driving

Georg Fantner, Nahid Hosseini, Tom Larsen

Electrothermal actuators have many advantages compared to other actuators used in micro-electro-mechanical systems (MEMS). They are simple to design, easy to fabricate and provide large displacements at low voltages. Low voltages enable less stringent pass ...

2017

Sampling and Reconstruction of Shapes with Algebraic Boundaries

Martin Vetterli, Arash Amini, Mitra Fatemi

We present a sampling theory for a class of binary images with finite rate of innovation (FRI). Every image in our model is the restriction of

\mathds{1}_{\{p\leq0\}}

to the image plane, where

\mathds{1}

denotes the indicator function and

p

is some r ...

2016

Controller design and value function approximation for nonlinear dynamical systems

Colin Neil Jones, Milan Korda

This work considers the infinite-time discounted optimal control problem for continuous time input-affine polynomial dynamical systems subject to polynomial state and box input constraints. We propose a sequence of sum-of-squares (SOS) approximations of th ...

Pergamon-Elsevier Science Ltd2016

Raking echoes in the time domain

Martin Vetterli, Ivan Dokmanic, Robin Scheibler

The geometry of room acoustics is such that the reverberant signal can be seen as the same waveform emitted from multiple locations. In analogy with the rake receiver from wireless communications, we propose several beamforming strategies that exploit, rat ...

IEEE2015

Local discontinuous Galerkin methods for fractional ordinary differential equations

Jan Sickmann Hesthaven

This paper discusses the upwinded local discontinuous Galerkin methods for the one-term/multi-term fractional ordinary differential equations (FODEs). The natural upwind choice of the numerical fluxes for the initial value problem for FODEs ensures stabili ...

2015

Passive phase noise cancellation element

Luis Guillermo Villanueva Torrijo

A passive electro-mechanical device that reduces phase noise in oscillators, thereby improving their frequency precision. The noise reduction device can consist of a pair of coupled nonlinear resonators that are driven parametrically-by modulating their na ...

2014

Bounding the Polynomial Approximation Errors of Frequency Response Functions

Zlatko Emedi

Frequency response function (FRF) measurements take a central place in the instrumentation and measurement field because many measurement problems boil down to the character- ization of a linear dynamic behavior. The major problems to be faced are leakage ...

Ieee-Inst Electrical Electronics Engineers Inc2013

Bounding the Polynomial Approximation Errors of Frequency Response Functions

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Conic Programming Reformulations of Two-Stage Distributionally Robust Linear Programs over Wasserstein Balls

A Versatile Noise Performance Metric for Electrical Impedance Tomography Algorithms

Multiresolution Subdivision Snakes

Rise time reduction of thermal actuators operated in air and water through optimized pre-shaped open-loop driving

Sampling and Reconstruction of Shapes with Algebraic Boundaries

Controller design and value function approximation for nonlinear dynamical systems

Raking echoes in the time domain

Local discontinuous Galerkin methods for fractional ordinary differential equations

Passive phase noise cancellation element

Bounding the Polynomial Approximation Errors of Frequency Response Functions

A Versatile Noise Performance Metric for Electrical Impedance Tomography Algorithms

Conic Programming Reformulations of Two-Stage Distributionally Robust Linear Programs over Wasserstein Balls

Multiresolution Subdivision Snakes

Sampling and Reconstruction of Shapes with Algebraic Boundaries

Controller design and value function approximation for nonlinear dynamical systems

Local discontinuous Galerkin methods for fractional ordinary differential equations

Passive phase noise cancellation element

Bounding the Polynomial Approximation Errors of Frequency Response Functions

Raking echoes in the time domain

Rise time reduction of thermal actuators operated in air and water through optimized pre-shaped open-loop driving