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- R. J. Perry, W. A. Berger, Kevin Buckley
- Conference Record of the Thirty-Third Asilomarâ€¦
- 1999

This paper presents a new approach using EM (expectation-maximization) algorithms for ML (maximum likelihood) sequence estimation over unknown ISI (inter-symbol interference) channels with randomâ€¦ (More)

- W. A. Berger, R. J. Perry, H. H. Sun
- Automatica
- 1991

-This paper presents an algorithm for assigning the locations and number of zeros to a linear system through synthesis of the system input and output space couplings. The approach imposes noâ€¦ (More)

- Argyrios C Varonides, W. A. Berger, K. BARHIGHT

The neutrality equation in superlattices is discussed in detail. This is a relation that includes (1) all the available carriers contributed by donor impurities (2) the carriers trapped in quantumâ€¦ (More)

- J.G. Teti, R. Paul Gorman, W. A. Berger
- IEEE Transactions on Aerospace and Electronicâ€¦
- 1996

This work focuses on the use of actual radar sensor data to construct a multifeature decision space formulation to the target identification (TID) problem. The decision space concepts are classicalâ€¦ (More)

- W. A. Berger, R. J. Perry, H.H. Sun
- 1989 American Control Conference
- 1989

This paper presents new results for a theory of eigenvalue modification through feedback gain vector parameter variation. A basis for the gain vector space is developed using large-scaleâ€¦ (More)

- R. J. Perry, W. A. Berger
- IEEE 1989 International Conference on Systemsâ€¦
- 1989

The authors study the eigenvalue assignment problem, which involves finding a state feedback vector k such that the eigenvalues of A-bk/sup T/ are in the desired locations in the case where theâ€¦ (More)

- E. G. Radulescu, Peter A. Lewin, Janusz WÃ³jcik, A. Nowicki, W. A. Berger
- Ultrasonics
- 2004

The influence of finite aperture and frequency response of piezoelectric ultrasonic hydrophone probes on the Thermal and Mechanical Indices was investigated using a comprehensive acoustic waveâ€¦ (More)

- E. G. Radulescu, Peter A. Lewin, A. Nowicki, W. A. Berger
- Ultrasonics
- 2003

The spatial averaging effect is strongly dependent on the active aperture of the hydrophone probes used to measure ultrasound fields. An experimental method was developed to determine the effectiveâ€¦ (More)

- R. J. Perry, W. A. Berger
- 1989 American Control Conference
- 1989

The eigenvalue assignment problem involves finding a state feedback vector k such that the eigenvalues of A-bkT are in the desired locations. This paper considers the case where the system is notâ€¦ (More)

- W. A. Berger, R. J. Perry, H. H. Sun
- IEEE 1989 International Conference on Systemsâ€¦
- 1989

Results obtained in the evaluation of the sensitivity of eigenvalues of a closed-loop system to the perturbations in the gain elements are presented. A basis for the gain vector space is developedâ€¦ (More)

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