Results 141 to 150 of about 325,284 (300)

iTransformer‐Informed Hourly Surface Ozone Forecasting Using Geostationary Satellite Observations

open access: yesGeophysical Research Letters, Volume 53, Issue 10, 28 May 2026.
Abstract Previous machine learning approaches for surface ozone (O3) forecasting are often limited to site‐specific applications and struggle to capture regional pollution dynamics. Here, we introduce an inverted Transformer (iTransformer), a time‐series model that integrates hourly satellite‐derived surface O3 with key meteorological and environmental
Fan Cheng   +8 more
wiley   +1 more source

An Online Trajectory-Planning Guidance Method for Reentry Vehicles With Bézier Curve–Based Shaping Approach

open access: yesInternational Journal of Aerospace Engineering
To improve the real-time capability and adaptability of online trajectory-planning guidance for reentry vehicles, a guidance method based on a Bézier curve shaping approach is proposed.
Yudong Hu   +4 more
doaj   +1 more source

Computation of Trailing Edge Noise with a Discontinuous Galerkin Method

open access: yes, 2010
Trailing edge noise of a semi-infinite, thin, flat plate situated in low Mach number flow is computed in two spatial dimensions. The Acoustic Perturbation Equations (APE), which are employed as governing equations, are discretized via a Discontinuous ...
M. Bauer, Bauer, Marcus
core   +1 more source

Magnetic Rope Is an Electron Selector: Discovery in Space and Conceptual Application to Medicine

open access: yesGeophysical Research Letters, Volume 53, Issue 10, 28 May 2026.
Abstract Magnetic rope is a helical structure existing ubiquitously in astrophysical and space plasmas. Such structure has been conventionally known to accelerate electrons, convert energy, and play key roles in driving solar eruptions. Here, in contrast to the conventional concept, we report that the magnetic rope can divert electrons efficiently in ...
H. S. Fu   +8 more
wiley   +1 more source

Small-Object Detection in Remote Sensing Images With Super-Resolution Perception

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Small objects are widely distributed on remote sensing images (RSIs), and most of them are achieved by super-resolution (SR) reconstruction followed by detection.
Jiahang Liu   +4 more
doaj   +1 more source

Astronautics and Aeronautics: A Chronology, 1996-2000

open access: yes, 2009
This report is a chronological compilation of narrative summaries of news reports and government documents highlighting significant events and developments in United States and foreign aeronautics and astronautics.
Lewis, Marieke, Swanson, Ryan
core  

Watching the eye with Mars in sight

open access: yes
Experimental Physiology, EarlyView.
Peter zu Eulenburg   +2 more
wiley   +1 more source

Research on the Dynamic Modeling of Rigid–Flexible Composite Spacecraft Under Fixed Constraints Based on the ANCF

open access: yesAerospace
Dynamically modeling the flexible characteristics of large-scale jointed composite spacecraft is challenging. In this study, a dynamic modeling method for rigid–flexible composite spacecraft is proposed based on the absolute nodal coordinate formulation (
Jiaqi Wu   +6 more
doaj   +1 more source

Multimissile Cooperative Guidance Law for Maneuvering Target Interception Based on the ICOA

open access: yesInternational Journal of Aerospace Engineering
This paper focuses on multimissile cooperative guidance for intercepting multiple maneuvering targets and proposes a guidance law based on an iterative time-to-go estimation method.
Huayu Gao   +5 more
doaj   +1 more source

Guidance of low-thrust interplanetary vehicles [PDF]

open access: yes, 1964
Thesis: Sc. D., Massachusetts Institute of Technology, Department of Aeronautics and Astronautics, 1964Vita. Appendix contains numerous pamphlets.Includes bibliographical references (leaves 201-203).by Edgar Dean Mitchell.Sc. D.Sc. D.
Mitchell, Edgar Dean.   +1 more
core  

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