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Filtering by: Subject Global Positioning System Remove constraint Subject: Global Positioning System

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Hybrid Survey Networks : Combining Real-time and Static GNSS Observations for Optimizing Height Modernization

Creator:

Weaver, Brian Jerald

Abstract:

To derive ellipsoid heights on passive marks with cm-level accuracy, many current specifications require the collection and adjustment of long-duration, static Global Navigation Satellite System (GNSS) sessions. To increase efficiency, a survey procedure that includes real-time kinematic vectors from a real-time GNSS network (RTN) was evaluated. Thirty different “hybrid” networks...

Resource Type:

Masters Thesis
Accuracy Evaluation of Real-Time GNSS Survey Observations

Creator:

Allahyari, Mahsa

Abstract:

Real time networks (RTNs) have become popular for Global Navigation Satellite System (GNSS) surveys because highly accurate positions can be derived in seconds to minutes compared to hours as required with static sessions. To evaluate the accuracy of these shorter-duration, RTN GNSS observations and their potential for use as a...

Resource Type:

Masters Thesis
Height Modernization from Static GPS Networks in Oregon: Evaluating NGS Guidelines and OPUS-Projects

Creator:

Kerr, Darren J.

Abstract:

Determining accurate elevations is important for many engineering and scientific applications, and finding these heights via GNSS increases efficiency and significantly reduces the costs as compared to precise geodetic leveling. The National Geodetic Survey (NGS) has published guidelines for determining both ellipsoidal and orthometric heights with GPS to within 2...

Resource Type:

Masters Thesis
Where's the ground surface? Elevation bias in LIDAR-derived digital elevation models due to dense vegetation in Oregon tidal marshes

Creator:

Ewald, Michael J.

Abstract:

Light Detection and Ranging (LIDAR) is a powerful resource for coastal and wetland managers and its use is increasing. Vegetation density and other land cover characteristics influence the accuracy of LIDAR-derived ground surface digital elevation models; however, the degree to which wetland land cover biases LIDAR estimates of the ground...

Resource Type:

Masters Thesis
An examination of the scanning detection efficiency of the FIDLER in relation to data logging and Global Positioning technology

Creator:

Marianno, Craig M.

Resource Type:

Dissertation

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Academic Affiliation

Civil and Construction Engineering3
College of Earth, Ocean, and Atmospheric Sciences1
Nuclear Engineering1

Advisor

Brophy, Laura1
Gillins, Daniel1
Gillins, Daniel T.1
Higley, Kathryn A.1
Olsen, Michael J.1

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 2001 to 2017

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Committee Member

Olsen, Michael J.2
Gillins, Daniel T.1
Graham, Jim1
Häse, Claudia1
Kiser, James1
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Creator

Allahyari, Mahsa1
Ewald, Michael J.1
Kerr, Darren J.1
Marianno, Craig M.1
Weaver, Brian Jerald1

Date

Date range begin – Date range end

Current results range from 2000 to 2017

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Decade

2010-20194
2000-20091

Degree Field

Civil Engineering3
Marine Resource Management1
Radiation Health Physics1

Degree Level

Master's4
Doctoral1

Degree Name

Master of Science (M.S.)4
Doctor of Philosophy (Ph.D.)1

Language

English [eng]5

License

All rights reserved4

Non-Academic Affiliation

Oregon State University. Graduate School5

Peer Reviewed

No4

Resource Type

Masters Thesis4
Dissertation1

Rights Statement

In Copyright4
Copyright Not Evaluated1

Subject

Global Positioning System[remove]5
Altitudes -- Measurement2
Low-level radiation -- Measurement1
Optical radar -- Oregon -- Pacific Coast1
Salt marsh plants -- Oregon -- Pacific Coast -- Remote sensing1
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