Search Results - "Gauss, R.C."

Geoacoustic parameter extraction using reverberation data from the 2000 boundary characterization experiment on the Malta plateau by Preston, J.R., Ellis, D.D., Gauss, R.C.

“…This paper presents some new results from measurements of seafloor reverberation and pulse spreading using horizontal and vertical line arrays. The principal…”
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Measurements and modeling of low-frequency near-surface scattering statistics by Fialkowski, J.M., Gauss, R.C., Drumheller, D.M.

“…High-resolution acoustic measurements of low-frequency near-surface backscattering at low grazing angles have been made in the open ocean using vertical arrays…”
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Boundary characterization experiment series overview by Holland, C.W., Gauss, R.C., Hines, P.C., Nielsen, P., Preston, J.R., Harrison, C.H., Ellis, D.D., LePage, K.D., Osler, J., Nero, R.W., Hutt, D., Turgut, A.

“…Ocean acoustic propagation and reverberation in continental shelf regions is often controlled by the seabed and sea surface boundaries. A series of three…”
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Synthetic elevation beamforming and image acquisition capabilities using an 8 × 128 1.75D array by FERNANDEZ, Anna T, GAMMELMARK, Kim L, DAHL, Jeremy J, KEEN, Constance G, GAUSS, Roderick C, TRAHEY, Gregg E

“…Ultrasound imaging can be improved with higher order arrays through elevation dynamic focusing in future, higher channel count systems. However, modifications…”
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Synthetic elevation beamforming and image acquisition capabilities using an 8 /spl times/ 128 1.75D array by Fernandez, A.T., Gammelmark, K.L., Dahl, J.J., Keen, C.G., Gauss, R.C., Trahey, G.E.

“…Ultrasound imaging can be improved with higher order arrays through elevation dynamic focusing in future, higher channel count systems. However, modifications…”
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Bottom backscattering strengths measured at 2-5 kHz in shallow water west of Scotland by Kunz, E.L., Gauss, R.C.

“…During The Technical Cooperation Program's T-MAST 02 sea trial in July of 2002, direct-path measurements of bottom backscattering strength were made at 2-5 kHz…”
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A low- and mid-frequency bistatic scattering model for the ocean surface by Gauss, R.C., Fialkowski, J.M., Wurmser, D.

“…Accurate bistatic active sonar performance predictions require accurate predictions of reverberation which in turn rely on accurate estimates of surface…”
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Adaptive imaging using an 8/spl times/128 array by Fernandez, A.T., Keen, C.G., Gammelmark, K.L., Gauss, R.C., Oakley, C., Trahey, G.E.

“…We present initial results from a new 1.75D array. The advantages of this array include: 1) Improved elevation focusing, 2) More effective phase aberration…”
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In vivo comparison of fundamental and harmonic lateral transmit beam shapes by Geiman, B.J., Gauss, R.C., Trahey, G.E.

“…Harmonic imaging has been shown to provide superior image quality in clinical studies, but few quantitative analyses of image quality have been performed. To…”
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Adaptive imaging in the thyroid using fundamental and harmonic echo data by Gauss, R.C., Trahey, G.E.

“…The authors acquired normal (9 MHz) and harmonic (9 MHz) element r.f. data for a 3/spl times/80 element array from the thyroids of ten subjects. Harmonic…”
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Adaptive imaging in the breast by Gauss, R.C., Trahey, G.E., Soo, M.S.

“…Various adaptive imaging methods have been proposed to compensate for the image degradation caused by the nonuniform acoustic velocity in soft tissues. Most…”
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Wavefront distortion measurements in the human breast by Gauss, R.C., Soo, M.S., Trahey, G.E.

“…Published wavefront distortion (phase aberration) measurements for the human breast ranged from mild phase aberrations (8 ns r.m.s) to severe phase aberrations…”
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Application of sound speed estimation and mapping to multi-layer media and in vivo data by Anderson, M.E., McKeag, M.S., Gauss, R.C., Soo, M.S.C., Trahey, G.E.

“…The application of a pulse-echo sound speed estimation technique to multi-layered and biological media is discussed and demonstrated in simulation, phantom,…”
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