Results 21 to 30 of about 19,940 (299)

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

Denormalization of Visibilities for In-Orbit Calibration of Interferometric Radiometers [PDF]

open access: yesIEEE Transactions on Geoscience and Remote Sensing, 2006
Peer ...
Torres Torres, Francisco   +7 more
openaire   +4 more sources

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

In-orbit Calibrations of the Ultraviolet Imaging Telescope [PDF]

open access: yesThe Astronomical Journal, 2017
Abstract The Ultra-Violet Imaging Telescope (UVIT) is one of the payloads in ASTROSAT, the first Indian Space Observatory. The UVIT instrument has two 375 mm telescopes: one for the far-ultraviolet (FUV) channel (1300–1800 Å), and the other for the near-ultraviolet (NUV) channel (2000–3000 Å) and the visible (VIS) channel (3200–5500 Å ...
S. N. Tandon   +25 more
openaire   +2 more sources

VIIRS on-orbit calibration and performance update [PDF]

open access: yes2014 IEEE Geoscience and Remote Sensing Symposium, 2014
The S-NPP VIIRS was launched on October 28, 2011 and activated on November 8, and then went through a series of intensive functional tests in order to establish the sensor's baseline characteristics and initial on-orbit performance. With the exception of large optical degradation in the NIR and SWIR spectral regions that is due to pre-launch mirror ...
Xiaoxiong Xiong   +7 more
openaire   +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

The on-orbit calibration of DArk Matter Particle Explorer [PDF]

open access: yesAstroparticle physics, 2019
The DArk Matter Particle Explorer (DAMPE), a satellite-based cosmic ray and gamma-ray detector, was launched on December 17, 2015, and began its on-orbit operation on December 24, 2015. In this work we document the on-orbit calibration procedures used by
G. Ambrosi   +157 more
semanticscholar   +1 more source

On-orbit calibration of satellite gyroscopes [PDF]

open access: yesAstrodynamics Specialist Conference, 2000
In order to maneuver satellites accurately from one attitude to another, onboard rate sensing gyroscopes usually must be calibrated after launch. Several algorithms have been used to determine gyro biases, misalignments, and scale factors. This paper describes algorithms that have been used in the past, discusses their advantages and limitations, and ...
Joseph Hashmall   +2 more
openaire   +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

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