Results 11 to 20 of about 6,897 (216)

Theoretical basis of the algorithms and early phase results of the GCOM-C (Shikisai) SGLI cloud products

Progress in Earth and Planetary Science, 2019
This paper discusses the cloud/clear discrimination algorithm (CLAUDIA) and the cloud microphysical properties algorithm (CAPCOM), which are used by the Second-generation GLobal Imager (SGLI) aboard the GCOM-C satellite, launched in December 2017.
Takashi Y. Nakajima, Haruma Ishida, Takashi M. Nagao, Masahiro Hori, Husi Letu, Riko Higuchi, Naoya Tamaru, Naritoshi Imoto, Akihiro Yamazaki   +8 more
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A Foldable Reflectarray on a Hexagonal Twist Origami Structure

IEEE Open Journal of Antennas and Propagation, 2021
In this paper, a novel deployable flat panel reflectarray antenna (RA) is designed on an origami folding pattern for Small Satellite applications. The RA aperture deploys into a hexagonal geometry that achieves an aperture efficiency of a least 60%
Antonio J. Rubio, Abdul-Sattar Kaddour, Collin Ynchausti, Spencer Magleby, Larry L. Howell, Stavros V. Georgakopoulos   +5 more
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Potential of a SAR Small-Satellite Constellation for Rapid Monitoring of Flood Extent

Remote Sensing, 2021
Constellations of small satellites equipped with synthetic aperture radar (SAR) payloads can realize observations in short time intervals independently from daylight and weather conditions and this technology is now in the early stages of development ...
Natsumi Kitajima, Rie Seto, Dai Yamazaki, Xudong Zhou, Wenchao Ma, Shinjiro Kanae   +5 more
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Development of methods for ensuring energy balance for the operation of mission equipment of “AIST”-series small satellites under conditions of power limitations

Вестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, 2018
The article examines the issues of determining the light-and-shadow situation and its impact on providing energy balance on the orbits of two small satellites of the AIST series.
M. A. Ivanushkin, V. V. Salmin, S. I. Tkachenko, I. S. Tkachenko, S. S. Volgin   +4 more
doaj   +1 more source

High Damping Passive Launch Vibration Isolation System Using Superelastic SMA with Multilayered Viscous Lamina

Aerospace, 2021
Whole-spacecraft launch-vibration isolation systems are attractive for achieving the goal of better, faster, cheaper, and lighter small satellites by reducing the design-load and vibration-test specifications for on-board components.
Yeon-Hyeok Park, Seong-Cheol Kwon, Kyung-Rae Koo, Hyun-Ung Oh   +3 more
doaj   +1 more source

Aerocapture: Enabling Small Spacecraft Direct Access to Low-Circular Orbits for Planetary Constellations

Aerospace, 2023
Small satellite constellations in multiple-inclination, low-circular orbits around Mars and Venus have the potential to perform a range of high-value science investigations within cost-constrained missions.
Athul Pradeepkumar Girija, Sarag J. Saikia, James M. Longuski   +2 more
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High-Precision Magnetic Testbed Design and Simulation for LEO Small-Satellite Control Test

Aerospace, 2023
Small satellites with academic missions in low Earth orbit (LEO) employ magnetic attitude control systems primarily due to their ease of development and low cost. These systems utilize magnetorquers to generate a magnetic moment that interacts with Earth’
Jhonny Uscategui, Xinsheng Wang, Gerson Cuba, María Guarirapa   +3 more
doaj   +1 more source

Refinement of operable state recovery algorithms for “AIST” small satellites on the basis of telemetric information

Вестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, 2018
The article deals with the use of telemetric information, namely data on emergencies, failures and malfunctions occurring on AIST small satellites. These data are used for the refinement of standard algorithms of satellite operable state recovery.
S. S. Volgin, V. V. Salmin, S. I. Tkachenko, I. S. Tkachenko, M. A. Ivanushkin   +4 more
doaj   +1 more source

Assessing the Capacity and Coverage of Satellite IoT for Developing Countries Using a CubeSat

Applied Sciences, 2022
Many regions in developing countries do not have any access to communication networks even though the number of devices connected through the Internet of Things (IoT) is increasing significantly.
Pooja Lepcha, Tharindu Dayarathna Malmadayalage, Necmi Cihan Örger, Mark Angelo Purio, Fatima Duran, Makiko Kishimoto, Hoda Awny El-Megharbel, Mengu Cho   +7 more
doaj   +1 more source

Design and Performance of X-Band SAR Payload for 80 kg Class Flat-Panel-Type Microsatellite Based on Active Phased Array Antenna

Aerospace, 2022
The small synthetic aperture radar (SAR) technology experimental project (S-STEP) mission aims to develop an innovative spaceborne SAR microsatellite as a constellation of 32 microsatellites featuring a high-resolution stripmap mode of 1 m. The S-STEP is
Seok Kim, Chan-Mi Song, Seung-Hun Lee, Sung-Chan Song, Hyun-Ung Oh   +4 more
doaj   +1 more source