Results 121 to 130 of about 461,300 (335)

With a view to their practical solution: Sixty years with NACA and NASA, 1915 - 1976 [PDF]

open access: yes
The history of the National Advisory Committee for Aeronautics and the National Aeronautics and Space Administration is ...
Emme, E. M.
core   +1 more source

Multiple Unmanned Aerial Vehicle Formation Control through Deep Reinforcement Learning with Offline Sample Correction

open access: yesAdvanced Intelligent Systems, EarlyView.
Herein, a deep reinforcement learning‐based multi‐UAV formation control approach is proposed. By optimizing the utilization of historical data through correcting of offline samples, the past experience is better leveraged and learning performance is improved.
Zhongkai Chen   +4 more
wiley   +1 more source

Active Optical Remote Sensing Sensors and Instrumentation for NASAs Future Earth and Space Science Measurements/Missions [PDF]

open access: yes
Active optical (Laser/Lidar) measurement techniques are critical for the future National Aeronautics and Space Administration (NASA) Earth, Planetary Science, Exploration, and Aeronautics measurements.
Singh, Upendra N.
core   +1 more source

Electromagnetic Wave Theory and Remote Sensing [PDF]

open access: yes, 1985
Contains reports on eight research projects.Joint Services Electronics Program (Contract DAAG29-83-K-0003)National Science Foundation (Grant ECS82-03390)Schlumberger-Doll Research CenterNational Aeronautics and Space Administration (Contract NAG5-141 ...
Borgeaud, Maurice   +15 more
core  

Skin‐Like Airflow Odometry for Micro Aerial Vehicles Based on Distributed Thermal Anemometers

open access: yesAdvanced Intelligent Systems, EarlyView.
A novel bioinspired skin‐like airflow odometry system for micro aerial vehicles employs distributed thermal anemometers to enable motion estimation in GNSS‐denied environments. Computational fluid dynamics simulation validates sensor deployment feasibility, while a transformer‐enhanced gated recurrent unit network extracts high‐precision airflow ...
Weicheng Di   +7 more
wiley   +1 more source

NASA's aeronautics program: Systems technology and experimental program [PDF]

open access: yes
The appropriateness of the division of effort between the directed to the solution of near-term problems and that directed to long-term technical advances in the program is addressed. Comparisons between in-house work and out-of-house work are presented.

core   +1 more source

Geophysical Research [PDF]

open access: yes, 1967
Contains reports on two research projects.Joint Services Electronics Programs (U. S. Army, U. S. Navy, and U. S. Air Force) under Contract DA 28-043-AMC-02536(E)National Aeronautics and Space Administration (Grant NGR-22-009-131)National Aeronautics and ...
Bitter, F.   +3 more
core  

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