Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Val E. Schmidt"'
Publikováno v:
Nonlinear Dynamics. 91:1229-1247
This study presents a system identification algorithm to determine the linear and nonlinear parameters of an autonomous underwater vehicle (AUV) motion response prediction mathematical model, utilising the recursive least squares optimisation method.
Autor:
Doug Miller, Carter DuVal, Arthur C. Trembanis, Jonathan Beaudoin, Larry A. Mayer, Val E. Schmidt
Publikováno v:
Geochemistry, Geophysics, Geosystems. 14:4334-4340
[1] On 30 October 2012, Hurricane Sandy made landfall near Brigantine New Jersey bringing widespread erosion and damage to the coastline. We have obtained a unique set of high-resolution before and after storm measurements of seabed morphology and in
Publikováno v:
The Journal of the Acoustical Society of America. 133:1971-1980
U.S. Coast Guard Cutter Healy's underwater radiated noise signature was characterized in the central Arctic Ocean during different types of ice-breaking operations. Propulsion modes included transit in variable ice cover, breaking heavy ice with back
Autor:
Val E. Schmidt, Sam Reed
Publikováno v:
OCEANS 2016 MTS/IEEE Monterey.
When a mariner navigates into an unfamiliar area, he/she uses a nautical chart to familiarize him/herself with the environment, determine the locations of hazards, and decide upon a safe course of travel. An autonomous surface vehicle (ASV) would gai
Autor:
S. G. Schladow, Arthur C. Trembanis, Bernard E. Laval, Marion E. Wittmann, Andrew K. Hamilton, Nicole A. Raineault, W. Pike, Val E. Schmidt, John E. Reuter, Alexander L. Forrest
Publikováno v:
Limnology and Oceanography: Methods. 10:65-74
The establishment, spread, and impact of the invasive bivalve Corbicula fluminea (C. fluminea), in Lake Tahoe threatens native species distribution in the lake and, potentially, has long-term implications for water clarity. In 2009, UBC-Gavia, an Aut
Publikováno v:
IEEE Journal of Oceanic Engineering. 35:821-836
A long-baseline (LBL) acoustic system has been developed for the tracking of humpback whales (Megaptera novaeangliae) that have been tagged with digital acoustic recording devices (DTAGs), providing quantitative observations of submerged whale behavi
Publikováno v:
The Journal of the Acoustical Society of America. 142:2731-2731
Multibeam echo sounders (MBES) are tools used to gather geophysical information on the seafloor and watercolumn which are important for feature detection, identifying gas seeps, and characterizing the seafloor, among others. At high frequencies (>100
Autor:
Val E. Schmidt, Yuri Rzhanov
Publikováno v:
2012 Oceans.
A GO-PRO underwater stereo camera kit has been used to measure the 3D topography (bathymetry) of a patch of seafloor producing a point cloud with a spatial data density of 15 measurements per 3 mm grid square and an standard deviation of less than 1
Publikováno v:
2012 Oceans.
Phase-differencing side-scan sonar systems produce co-located bathymetry in addition to each side-scan amplitude measurement. Bathymetric soundings are calculated from the range to each measurement (derived from the two-way travel time) and the recei
Publikováno v:
2012 Oceans.
Presently, there is a community wide deficiency in our ability to collect and preserve multiple size-class biologic samples across a broad spectrum of oceanographic platforms (e.g. AUVs, ROVs, and Ocean Observing System Nodes). This is particularly s