Results 161 to 170 of about 6,360,179 (406)

Advancing Soil Organic Carbon Prediction: A Comprehensive Review of Technologies, AI, Process‐Based and Hybrid Modelling Approaches

open access: yesAdvanced Science, EarlyView.
This review highlights advances in soil organic carbon (SOC) quantification using remote sensing, proximal soil sensing, AI (ML and DL), and biogeochemical modelling. Integrating diverse data sources and models improves SOC prediction accuracy. Key priorities include enhancing data availability, refining models, incorporating microbial processes, and ...
Zijuan Ding   +16 more
wiley   +1 more source

Data management, chapter 5, part C [PDF]

open access: yes
The data management for a spacecraft radar was defined in terms of an end-to-end data system, which performs the following three functions: (1) sampling and compaction of data onboard the spacecraft, (2) manipulation of radar data on the ground and (3 ...

core   +1 more source

Current Progress and Challenges of Electromagnetic Wave Absorbing Materials at High Temperature

open access: yesAdvanced Science, EarlyView.
This review explains three dielectric loss mechanisms of electromagnetic wave absorbing materials under high temperatures and the high temperature testing technology is explained. The research progress of carbon‐based, ceramic‐based and metamaterial‐based electromagnetic wave absorbers is analyzed.
Zhixiao Wang   +5 more
wiley   +1 more source

Observation of the Earth by radar [PDF]

open access: yes
Techniques and applications of radar observation from Earth satellites are discussed. Images processing and analysis of these images are discussed. Also discussed is radar imaging from aircraft.
Elachi, C.
core   +1 more source

Ultra Wide Swath Imaging With Multi-Channel SAR Systems [PDF]

open access: yes, 2008
Multi-channel radar systems allow for overcoming the inherent limitation of conventional synthetic aperture radar (SAR). An example is the combination of digital beamforming on receive in elevation with multi-aperture SAR signal reconstruction in azimuth
Bordoni, Federica   +4 more
core  

Wearable PEDOT:PSS/DVS‐Coated Yarn‐Type Transpiration‐Driven Electrokinetic Power Generator with High Power Efficiency and Water Stability

open access: yesAdvanced Science, EarlyView.
A PEDOT:PSS‐based yarn‐type transpiration‐driven electrokinetic power generator with a covalently crosslinking agent, divinyl sulfone, is investigated to address the poor water stability of PEDOT:PSS and achieve an exceptional power generation efficiency. The designed device successfully charges commercial capacitors using a biological aqueous solution,
Hyungsub Yoon   +10 more
wiley   +1 more source

The SEASAT-A synthetic aperture radar design and implementation [PDF]

open access: yes
The SEASAT-A synthetic aperture imaging radar system is the first imaging radar system intended to be used as a scientific instrument designed for orbital use.
Jordan, R. L.
core   +1 more source

Microwave‐Driven Dielectric‐Magnetic Regulation of Graphite@α‐MnO2 Toward Enhanced Electromagnetic Wave Absorption

open access: yesAdvanced Science, EarlyView.
This study presents a microwave‐activated composite integrating expanded graphite with α‐MnO2 nanowires, engineered to synergistically optimize dielectric and magnetic properties. The innovative microwave‐driven process enables rapid structural transformation, yielding ultrathin, scalable electromagnetic wave‐absorbing films.
Junyu Lu   +6 more
wiley   +1 more source

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