Innovative Mechanical Design Strategy for Actualizing 80 kg-Class X-Band Active SAR Small Satellite of S-STEP

Article Chemistry, Analytical

Ultra-High Resolution Imaging Method for Distributed Small Satellite Spotlight MIMO-SAR Based on Sub-Aperture Image Fusion

Fang Zhou et al.

Summary: This paper proposes an ultra-high resolution imaging method for distributed small satellite spotlight MIMO-SAR, which utilizes sub-aperture division technique and sub-aperture image coherent fusion algorithm. Simulation results confirm the feasibility and effectiveness of the proposed approach.

SENSORS (2021)

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Article Engineering, Mechanical

New PCB strain-based structural design methodology for reliable and rapid evaluation of spaceborne electronics under random vibration

Tae-Yong Park et al.

Summary: A novel PCB strain-based structural design methodology was proposed and validated through fatigue life tests. The results indicated that this method provides a more reliable evaluation on the mechanical safety of solder joints compared to the conventional Steinberg's theory.

INTERNATIONAL JOURNAL OF FATIGUE (2021)

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Article Engineering, Aerospace

Thermal Design and Analysis of Unfurlable CFRP Skin-Based Parabolic Reflector for Spaceborne SAR Antenna

Tae-Yong Park et al.

Summary: This study focuses on the preliminary thermal design and analysis of a carbon fiber reinforced plastic skin-based unfurlable parabolic reflector for spaceborne SAR antennas. It highlights the importance of passive thermal designs with different coatings to minimize thermal distortion and gradient for optimal SAR performance. Additionally, the impact of solar panels on the reflector's thermal gradient is also investigated to further enhance antenna gain and SAR performance.

INTERNATIONAL JOURNAL OF AERONAUTICAL AND SPACE SCIENCES (2021)

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Article Thermodynamics