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ICASSP
2011
IEEE
9 years 3 months ago
On the identification of parametric underspread linear systems
Identification of time-varying linear systems, which introduce both time-shifts (delays) and frequency-shifts (Doppler-shifts), is a central task in many engineering applications...
Waheed U. Bajwa, Kfir Gedalyahu, Yonina C. Eldar
ICASSP
2011
IEEE
9 years 3 months ago
Sub-Nyquist sampling of short pulses
—We develop sub-Nyquist sampling systems for analog signals comprised of several, possibly overlapping, finite duration pulses with unknown shapes and time positions. Efficient...
Ewa Matusiak, Yonina C. Eldar
TSP
2010
9 years 6 months ago
Noninvertible gabor transforms
Abstract--Time-frequency analysis, such as the Gabor transform, plays an important role in many signal processing applications. The redundancy of such representations is often dire...
Ewa Matusiak, Tomer Michaeli, Yonina C. Eldar
CDC
2010
IEEE
129views Control Systems» more  CDC 2010»
9 years 6 months ago
On optimal input signal design for frequency response estimation
This paper studies optimal input excitation design for parametric frequency response estimation. We will focus on least-squares estimation of Finite Impulse Response (FIR) models a...
Bo Wahlberg, Håkan Hjalmarsson, Petre Stoica
AUTOMATICA
2006
113views more  AUTOMATICA 2006»
9 years 11 months ago
Least costly identification experiment for control
All approaches to optimal experiment design for control have so far focused on deriving an input signal (or input signal spectrum) that minimizes some control-oriented measure of ...
Xavier Bombois, Gérard Scorletti, Michel Ge...
CORR
2010
Springer
164views Education» more  CORR 2010»
9 years 11 months ago
Sub-Nyquist Sampling of Short Pulses: Part I
We develop sub-Nyquist sampling systems for analog signals comprised of several, possibly overlapping, finite duration pulses with unknown shapes and time positions. Efficient sam...
Ewa Matusiak, Yonina C. Eldar
CORR
2010
Springer
205views Education» more  CORR 2010»
9 years 11 months ago
Identification of Underspread Linear Systems with Application to Super-Resolution Radar
Identification of time-varying linear systems, which introduce both time-shifts (delays) and frequencyshifts (Doppler-shifts) to the input signal, is one of the central tasks in m...
Waheed U. Bajwa, Kfir Gedalyahu, Yonina C. Eldar
SIP
2001
10 years 1 months ago
Convergence acceleration of the LMS algorithm using successive data orthogonalization
We propose a new adaptive filtering algorithm whose convergence rate is very fast even for a highly correlated input signal. It is well-known that convergence rate gets worse when...
H.-C. Shin, W.-J. Song
ESANN
2006
10 years 1 months ago
Nonlinear transient computation and variable noise tolerance
A novel nonlinear transient computation device is presented which is designed to perform computations on multiple spike-train input signals. The input signals perturb the internal ...
Nigel Crook
CDC
2009
IEEE
120views Control Systems» more  CDC 2009»
10 years 3 months ago
MIMO experiment design based on asymptotic model order theory
Abstract— In this paper we investigate the problem of designing an input signal for a Multi-Input Multi-Output plant to minimize a control-oriented criterion. By employing Ljung...
Cristian R. Rojas, Håkan Hjalmarsson, Roland...
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