High-resolution sensors and deep learning models for tree resource monitoring
Trees contribute to carbon dioxide absorption through biomass, regulate the climate, support
biodiversity, enhance soil, air and water quality, and offer economic and health benefits …
biodiversity, enhance soil, air and water quality, and offer economic and health benefits …
[HTML][HTML] Design considerations and performance analysis for RODiO distributed SAR mission
Abstract The paper introduces RODiO (Radar for Earth Observation by synthetic aperture
DIstributed on a cluster of cubesats equipped with high-technology micro-propellers for new …
DIstributed on a cluster of cubesats equipped with high-technology micro-propellers for new …
Are smallsats taking over bigsats for land Earth observation?
FL de Sousa - Acta Astronautica, 2023 - Elsevier
In this work the evolution of the utilization of small satellites for land Earth observation
missions is addressed. Scatter and “bubble” plots, supplemented by the calculation of …
missions is addressed. Scatter and “bubble” plots, supplemented by the calculation of …
FDM MIMO spaceborne SAR tomography by minimum redundancy wavenumber illumination
This work investigates a new concept to finely resolve the vertical structure of natural media,
such as snow, ice, and vegetation, by using a formation of spaceborne synthetic aperture …
such as snow, ice, and vegetation, by using a formation of spaceborne synthetic aperture …
[HTML][HTML] Spaceborne SAR System Design Considerations: Minimizing Satellite Size and Mass, System Parameter Trade-Offs, and Optimization
E Makas, AR Aslan - Applied Sciences, 2024 - mdpi.com
The goal of this research is to assess and guide the development of next-generation
synthetic aperture radar (SAR) satellites, optimize their performance, and present the …
synthetic aperture radar (SAR) satellites, optimize their performance, and present the …
Structural design and surface networking analysis of a truss antenna based on hexagonal frustum deployable mechanism units
B Han, JC Zhang, F Liu, M Han, Y Xu, J Yao - Thin-Walled Structures, 2024 - Elsevier
With the development of space technology, deployable mechanism has been widely applied
in large aperture space antennas. In this paper, a hexagonal frustum deployable antenna …
in large aperture space antennas. In this paper, a hexagonal frustum deployable antenna …
Multi-Objective Optimization of an Intelligent Soil-Moisture-Monitoring Satellite Constellation
In early satellite mission design, requirements are not yet fixed, cost is sometimes
negotiable, and designs are relatively unconstrained. During this period of design freedom …
negotiable, and designs are relatively unconstrained. During this period of design freedom …
[HTML][HTML] A Study of Cislunar-Based Small Satellite Constellations with Sustainable Autonomy
The Cislunar economy is thriving with innovative space systems and operation techniques to
enhance and uplift the traditional approaches significantly. This paper brings about an …
enhance and uplift the traditional approaches significantly. This paper brings about an …
Neuro-augmented observer based external angular rate sensing approach for gyrowheel system
Y Zhao, C Suo, Y Wang - IEEE Access, 2023 - ieeexplore.ieee.org
Gyrowheel is an innovative instrument that can function as a momentum actuator and
simultaneously measure angular rates for small spacecrafts. Unlike traditional gyroscopes …
simultaneously measure angular rates for small spacecrafts. Unlike traditional gyroscopes …
Imaging and Interferometric Mapping Exploration for PIESAT-01: The World's First Four-Satellite “Cartwheel” Formation Constellation
T Zhang, Y Qian, C Li, J Lu, J Fu, Q Guo, S Guo… - Atmosphere, 2024 - mdpi.com
The PIESAT-01 constellation is the world's first multi-baseline distributed synthetic aperture
radar (SAR) constellation with a “Cartwheel” formation. The “Cartwheel” formation is a …
radar (SAR) constellation with a “Cartwheel” formation. The “Cartwheel” formation is a …