Results 11 to 20 of about 7,812 (210)

On-Orbit Autonomous Geometric Calibration of Directional Polarimetric Camera

open access: yesRemote Sensing, 2022
The Directional Polarimetric Camera (DPC) carried by the Chinese GaoFen-5-02 (GF-5-02) satellite has the ability for multiangle, multispectral, and polarization detection and will play an important role in the inversion of atmospheric aerosol and cloud ...
Guangfeng Xiang   +7 more
doaj   +1 more source

An overview of in-orbit radiometric calibration of typical satellite sensors [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2015
This paper reviews the development of in-orbit radiometric calibration methods in the past 40 years. It summarizes the development of in-orbit radiometric calibration technology of typical satellite sensors in the visible/near-infrared bands and the ...
G. Q. Zhou   +6 more
doaj   +1 more source

On-orbit Geometric Calibration and Preliminary Accuracy Evaluation of GF-14 Satellite [PDF]

open access: yesJournal of Geodesy and Geoinformation Science, 2023
GF-14 satellite is a new generation of sub-meter stereo surveying and mapping satellite in China, carrying dual-line array stereo mapping cameras to achieve 1:10000 scale topographic mapping without Ground Control Points (GCPs). In fact, space-based high-
Xueliang LU, Jianrong WANG, Xiuce YANG, Yuan LYU, Yan HU, Bincai CAO, Junming ZHOU
doaj   +1 more source

Analysis and Correction of Polarization Response Calibration Error of Limb Atmosphere Ultraviolet Hyperspectral Detector

open access: yesSensors, 2022
A UV hyperspectral instrument was designed with a polarization measurement channel for real-time in-orbit polarization correction to reduce the influence of polarization on the detection accuracy of atmospheric radiation.
Haochen Li   +7 more
doaj   +1 more source

Ten Years of SNPP VIIRS Reflective Solar Bands On-Orbit Calibration and Performance

open access: yesRemote Sensing, 2021
The Visible Infrared Imaging Radiometer Suite (VIIRS) onboard the Suomi National Polar-orbiting Partnership (SNPP) has successfully operated on-orbit for nearly ten years since its launch in October 2011, continuously making global observations and ...
Junqiang Sun   +5 more
doaj   +1 more source

An on‐orbit calibration method for time delay of inter‐satellite link transponder in tracking and data relay satellite

open access: yesElectronics Letters, 2023
The tracking and data relay satellite (TDRS) in geosynchronous orbit (GEO) can provide ranging and communication services for user spacecraft in low Earth orbit (LEO) through the inter‐satellite link (ISL). The time delay of TDRS ISL transponder in orbit
Lei Wang   +3 more
doaj   +1 more source

SITE SELECTION AND EVALUATION OF CHINA'S NEW RADIOMETRIC CALIBRATION TEST SITES [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2020
The ideal radiometric calibration site is the basis for achieving on-orbit radiometric calibration. At present, China mainly uses the Dunhuang national test site for on-orbit radiometric calibration.
X. K. Hu   +5 more
doaj   +1 more source

On-Orbit Verification of RL-Based APC Calibrations for Micrometre Level Microwave Ranging System

open access: yesMathematics, 2023
Micrometre level ranging accuracy between satellites on-orbit relies on the high-precision calibration of the antenna phase center (APC), which is accomplished through properly designed calibration maneuvers batch estimation algorithms currently. However,
Xiaoliang Wang   +12 more
doaj   +1 more source

Landsat-8 Operational Land Imager Radiometric Calibration and Stability

open access: yesRemote Sensing, 2014
The Landsat-8 Operational Land Imager (OLI) was radiometrically calibrated prior to launch in terms of spectral radiance, using an integrating sphere source traceable to National Institute of Standards and Technology (NIST) standards of spectral ...
Brian Markham   +8 more
doaj   +1 more source

Calibration of GRACE on-board accelerometers for thermosphere density derivation

open access: yesGeo-spatial Information Science, 2022
Low Earth Orbit satellite on-board accelerometers play an important role in improving our understanding of thermosphere density; however, the accelerometer-derived densities are subject to accelerometer calibration errors.
Min Li   +5 more
doaj   +1 more source

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