'Phase center' presentation slideshows

overview of GPS

overview of GPS. error sources affecting high accuracy GNSS positioning. What is GPS?. GPS, or Global Positioning System, is able to show you your position on the Earth anytime, in any weather, anywhere. The three parts of GPS are: Satellites Receivers Software. GPS Satellites.

968 views • 67 slides

Leica Geo Office GNSS Processing

4.56k views • 46 slides

GNSS Absolute Antenna Calibration at the National Geodetic Survey

GNSS Absolute Antenna Calibration at the National Geodetic Survey. Andria Bilich & Gerald Mader Geosciences Research Division National Geodetic Survey. The Antcal Team. Frank Marion Jaya Neti Giovanni Sella Bruce Tran Jarir Saleh Mark Schenewerk. Steven Breidenbach Hong Chen

510 views • 42 slides

GNSS Absolute Antenna Calibration at the National Geodetic Survey

GNSS Absolute Antenna Calibration at the National Geodetic Survey. Andria Bilich & Gerald Mader Geosciences Research Division National Geodetic Survey. The Antcal Team. Frank Marion Jaya Neti Giovanni Sella Bruce Tran Jarir Saleh Mark Schenewerk. Steven Breidenbach Hong Chen

697 views • 42 slides

GNSS Absolute Antenna Calibration at the National Geodetic Survey

GNSS Absolute Antenna Calibration at the National Geodetic Survey. Andria Bilich & Gerald Mader Geosciences Research Division National Geodetic Survey. The Antcal Team. Frank Marion Jaya Neti Giovanni Sella Bruce Tran Jarir Saleh Mark Schenewerk. Steven Breidenbach Hong Chen

432 views • 42 slides

Wide-Field Imaging

Wide-Field Imaging. Michael Bietenholz. Based on a lecture by Rick Perley (NRAO) at the NRAO Synthesis Imaging Workshop. Field-of-View Limited by Antenna Primary Beam. Simplest wide-field problem: source is larger than primary beam

540 views • 39 slides

OPUS Online Positioning User Service

OPUS Online Positioning User Service. http://www.ngs.noaa.gov/OPUS/ opus@ngs.noaa.gov. WHAT IS OPUS ?. O n-line P ositioning U ser S ervice. Provide GPS users faster & easier access to the National Spatial Reference System (NSRS).

395 views • 39 slides

Solar System Objects

348 views • 34 slides

Wide-Field Imaging I: Non-Coplanar Visibilities

Wide-Field Imaging I: Non-Coplanar Visibilities. Rick Perley. Review: Measurement Equation. From the first lecture, we have a general relation between the complex visibility V(u,v,w), and the sky intensity I ( l , m ):. This equation is valid for:

330 views • 32 slides

12.540 Principles of the Global Positioning System Lecture 17

12.540 Principles of the Global Positioning System Lecture 17. Prof. Thomas Herring Room 54-820A; 253-5941 tah@mit.edu http://geoweb.mit.edu/~tah/12.540. Summary. Finish propagation medium with discussion of signal characteristics around GPS antennas Basic operation of antenna

324 views • 32 slides

12.540 Principles of the Global Positioning System Lecture 17

12.540 Principles of the Global Positioning System Lecture 17. Prof. Thomas Herring Room 54-611; 253-5941 tah@mit.edu http://bowie.mit.edu/~tah/12.540. Summary. Finish propagation medium with discussion of signal characteristics around GPS antennas Basic operation of antenna

304 views • 30 slides

STABILITY OF GLOBAL GEODETIC RESULTS

STABILITY OF GLOBAL GEODETIC RESULTS. Prof. Thomas Herring Room 54-611; 253-5941 tah@mit.edu http://bowie.mit.edu/~tah. Overview. Motivation for talk: Anomalies in apparent positions of phase centers of GPS satellites, and variations in global scale

306 views • 23 slides

Vertical Reference Frames for Sea Level Monitoring

Vertical Reference Frames for Sea Level Monitoring. Thomas Herring Department of Earth, Atmosphere and Planetary Sciences http://www-gpsg.mit.edu/~tah. Overview. Examine scale variations in global reference (system scale directly effects heights) Effects of satellite phase center positions

306 views • 14 slides

Vertical Reference Frames for Sea Level Monitoring

Vertical Reference Frames for Sea Level Monitoring. Thomas Herring Department of Earth, Atmosphere and Planetary Sciences http://www-gpsg.mit.edu/~tah. Overview. Examine scale variations in global reference (system scale directly effects heights) Effects of satellite phase center positions

146 views • 14 slides