Roger H. Hackman

发表

Scattering from elastic shells near an interface and the concept of a super resonance

Gary S. Sammelmann, Roger H. Hackman, 1993, Defense, Security, and Sensing.

Acoustic Scattering from Elastic Solids

Roger H. Hackman, R. Hackman, 1993 .

Analysis and representation of sonar echo returns

John T. Reagan, Theagenis J. Abatzoglou, Hal Arnold, 1993, Defense, Security, and Sensing.

Scattering by objects buried in underwater sediments: Theory and experiment

Raymond Lim, Joseph L. Lopes, Roger H. Hackman, 1993 .

The acoustic scattering by a submerged, spherical shell. III : Pole trajectories in the complex-ka plane

Gary S. Sammelmann, Roger H. Hackman, 1991 .

Multiple scattering analysis for a target in an oceanic waveguide

Gary S. Sammelmann, G. S. Sammelmann, Roger H. Hackman, 1988 .

A comparative study of the performance of time‐frequency representations for the analysis of echo returns.

John T. Reagan, Theagenis J. Abatzoglou, Hal Arnold, 1992 .

The acoustic scattering by a submerged, spherical shell. I: The bifurcation of the dispersion curve for the spherical antisymmetric Lamb wave

Gary S. Sammelmann, Roger H. Hackman, D. H. Trivett, 1989 .

An application of the spheroidal‐coordinate‐based transition matrix: The acoustic scattering from high aspect ratio solids

Roger H. Hackman, Douglas G. Todoroff, 1984 .

The transition matrix for acoustic and elastic wave scattering in prolate spheroidal coordinates

Roger H. Hackman, R. Hackman, 1984 .

The acoustic scattering by a submerged, spherical shell. II: The high-frequency region and the thickness quasiresonance

Gary S. Sammelmann, Roger H. Hackman, 1991 .

Active acoustic classification of underwater targets based on time‐frequency analyses.

John T. Reagan, Hal Arnold, Roger H. Hackman, 1992 .

Active acoustic classification of underwater targets based on scattering resonances.

Theagenis J. Abatzoglou, D. F. Specht, T. Washburne, 1992 .