Results 31 to 40 of about 2,606,895 (175)

Earth Rotation Parameters Estimation Using GPS and SLR Measurements to Multiple LEO Satellites

open access: yesRemote Sensing, 2021
Earth rotation parameters (ERP) are one of the key parameters in realization of the International Terrestrial Reference Frames (ITRF). At present, the International Laser Ranging Service (ILRS) generates the satellite laser ranging (SLR)-based ERP ...
Xingxing Li   +5 more
doaj   +1 more source

Satellite laser ranging to GPS and GLONASS [PDF]

open access: yes, 2015
Satellite laser ranging (SLR) to the satellites of the global navigation satellite systems (GNSS) provides substantial and valuable information about the accuracy and quality of GNSS orbits and allows for the SLR-GNSS colocation in space.
Dach, Rolf   +14 more
core   +2 more sources

A New Online Service for the Validation of Multi-GNSS Orbits Using SLR

open access: yesRemote Sensing, 2017
In the last decade, we have been witnessing a rapid development of the constellations of Global and Regional Navigation Satellite Systems (GNSS/RNSS). Besides the well-known GPS and GLONASS, newly developed systems such as Galileo, BeiDou, QZSS and NAVIC
Radosław Zajdel   +2 more
doaj   +1 more source

Contribution of Etalon Observation to Earth Rotation Parameters under a New Observation Scenario

open access: yesApplied Sciences, 2022
The standard products of the International Laser Ranging Service (ILRS) are mainly based on the two laser geodynamics satellites (LAGEOS) due to the sparse observations of the Etalon satellites.
Xiaozhen Zhang   +3 more
doaj   +1 more source

ICESat‐2 Precision Orbit Determination

open access: yesEarth and Space Science, 2021
The ICESat‐2 Precision Orbit Determination (POD) system computes the precise position of the laser altimeter instrument in inertial space, a measurement necessary for accurate geolocation of individual photon surface returns.
T. C. Thomas   +4 more
doaj   +1 more source

Satellite laser ranging to GNSS-based Swarm orbits with handling of systematic errors [PDF]

open access: yes, 2022
Satellite laser ranging (SLR) retroreflectors along with GNSS receivers are installed onboard numerous active low earth orbiters (LEOs) for the independent validation of GNSS-based precise orbit determination (POD) products.
Arnold, Daniel   +5 more
core   +2 more sources

Satellite laser ranging measurements in South Africa: Contributions to earth system sciences

open access: yesSouth African Journal of Science, 2015
This contribution reassesses progress in the development of satellite laser ranging (SLR) technology and its scientific and societal applications in South Africa.
Christina M. Botai   +2 more
doaj   +1 more source

Determination of SLR station coordinates based on LEO, LARES, LAGEOS, and Galileo satellites

open access: yesEarth, Planets and Space, 2021
The number of satellites equipped with retroreflectors dedicated to Satellite Laser Ranging (SLR) increases simultaneously with the development and invention of the spherical geodetic satellites, low Earth orbiters (LEOs), Galileo and other components of
Dariusz Strugarek   +5 more
doaj   +1 more source

High-data-quality, high-precision and millimeter-level of Satellite Laser Ranging at the repetition rate of 5 kHz Satellite Laser Ranging

open access: yes地球与行星物理论评
High-precision and high-stability measurement is an essential approach for situational awareness of space targets, such as high-precision orbit determination, attitude determination, etc.
Mingliang Long   +9 more
doaj   +1 more source

Satellite Laser Ranging to Low Earth Orbiters: Orbit and Network Validation [PDF]

open access: yes, 2018
Satellite laser ranging (SLR) to low Earth orbiters (LEOs) provides optical distance measurements with mm-to-cm-level precision. SLR residuals, i.e., differences between measured and modeled ranges, serve as a common figure of merit for the quality ...
Arnold, Daniel   +7 more
core   +3 more sources

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