Dual-Axis Sonar: A New Tool for Underwater Surveys - Dual-axis sonar technology can be used for inspecting intakes, surge shafts, and headwall structures at an operating hydro project -- Without the cost of a plant shutdown.

Clarke, Robert O. | Online Contents | 2008

Sonar Caliper surveys of underground caverns

Petterson, G.D. / Williams, S.G. | Engineering Index Backfile | 1959

Using multibeam sonar surveys for submarine landslide investigations

Locat, J. / Gardner, J. V. / Lee, H. et al. | British Library Conference Proceedings | 1999

Compensation of Ship Attitude for Multibeam Sonar Surveys

Loncarevic, B. D. / Scherzinger, B. M. | British Library Online Contents | 1994

Underwater Vehicle Positioning with Correlation Sonar

Mio, K. / Doisy, Y. / Rigaud, V. | British Library Online Contents | 1999