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Dive into the research topics where Mark Harper is active.

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Featured researches published by Mark Harper.


Journal of the Acoustical Society of America | 1996

Active control of vibration

Mark Harper

A method of and system for active vibration control in an elongate member such as a pipe (2), wherein an actuator which comprises at least one constrictive element (3) capable of changing its length is attached between flanges (1) spaced along the member and is controlled to produce deformations of the member which inhibit the transmission of unwanted vibration from the member to one side of the attached actuator to the other side.


Journal of the Acoustical Society of America | 2010

Marine seismic source

Mark Harper; Joseph A. Dellinger; Martin Thompson; Graham Openshaw


Archive | 2011

Marine mechanical seismic source

Mark Harper; Martin Thompson; Stuart Moore


Archive | 2013

System and method for preventing cavitation in controlled-frequency marine seismic source arrays

Joseph Anthony Dellinger; Mark Harper


Archive | 2009

Marine siren seismic source

Martin Thompson; Mark Harper


Archive | 2008

A system for monitoring exposure to vibration

Martin Thompson; Mark Harper


Seg Technical Program Expanded Abstracts | 2016

Wolfspar®, an “FWI-friendly” ultralow-frequency marine seismic source

Joseph Anthony Dellinger; Allan Ross; David P. Meaux; Andrew Brenders; Glenn Gesoff; John Etgen; John Naranjo; Graham Openshaw; Mark Harper


Archive | 2014

SYSTEM AND METHOD FOR PERFORMING SEISMIC SURVEYS WITH A CONTROLLED SOURCE USING MAXIMUM-POWER SWEEPS

Joseph Anthony Dellinger; Mark Harper


Archive | 2015

System and Method for Resonator Frequency Control by Active Feedback

Mark Harper; Joseph Anthony Dellinger


Archive | 2017

fonte sísmica marinha e métodos para gerar onda de energia sísmica em corpo de água

Mark Harper; Martin Thompson; Stuart Moore

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