Results 91 to 100 of about 3,034 (167)

Film annotation system for a space experiment [PDF]

open access: yes
This microprocessor system was designed to control and annotate a Nikon 35 mm camera for the purpose of obtaining photographs and data at predefined time intervals.
Browne, W. R., Johnson, S. S.
core   +1 more source

Compendium of Applications Technology Satellite user experiments [PDF]

open access: yes
The achievements of the user experiments performed with ATS satellites from 1967 to 1973 are summarized. Included are fixed and mobile point to point communications experiments involving voice, teletype and facsimile transmissions. Particular emphasis is
Engler, N. A.   +2 more
core   +1 more source

Conceptual Design of a Flight Validation Mission for a Hypervelocity Asteroid Intercept Vehicle [PDF]

open access: yes, 2013
Near-Earth Objects (NEOs) are asteroids and comets whose orbits approach or cross Earth s orbit. NEOs have collided with our planet in the past, sometimes to devastating effect, and continue to do so today.
Barbee, Brent W.   +3 more
core   +1 more source

3D Reconstruction & Assessment Framework based on affordable 2D Lidar

open access: yes, 2018
Lidar is extensively used in the industry and mass-market. Due to its measurement accuracy and insensitivity to illumination compared to cameras, It is applied onto a broad range of applications, like geodetic engineering, self driving cars or virtual ...
Fen, Yinglong   +2 more
core   +1 more source

The status of environmental satellites and availability of their data products [PDF]

open access: yes
The latest available information about the status of unclassified environmental satellite (flown by the United States) and their data products is presented. The type of environmental satellites discussed include unmanned earth resource and meteorological
Campbell, C. E., Hughes, C. L.
core   +1 more source

Overview of Primitive Object Volatile Explorer (PrOVE) CubeSat or Smallsat Concept [PDF]

open access: yes
Here we describe the Primitive Object Volatile Explorer (PrOVE), a smallsat mission concept to study the surface structure and volatile inventory of comets in their perihelion passage phase when volatile activity is near peak.
Aslam, Shahid   +4 more
core   +1 more source

New Cloud-Based Service for Broadcasting and Identification for Solving Data Traffic Re-Using for Mobile Communications [PDF]

open access: yes
In recent decades, the majority of mobile communications data traffic has relied on RF technology. Even if optimization efficiency for use or reuse is implemented, there are limits to the growing traffic demand for RF communications.
Parmanand Prabhat, et al.
core   +1 more source

TickRS: A High-Speed Gapless Signal Sampling Method for Rolling-Shutter Optical Camera Communication

open access: yesPhotonics
Using the rolling-shutter mechanism to enhance the signal sampling frequency of Optical Camera Communication (OCC) is a low-cost solution, but its periodic sampling interruptions may cause signal loss, and existing solutions often compromise ...
Yongfeng Hong   +2 more
doaj   +1 more source

An Innovative Solution to NASA's NEO Impact Threat Mitigation Grand Challenge and Flight Validation Mission Architecture Development [PDF]

open access: yes
This final technical report describes the results of a NASA Innovative Advanced Concept (NIAC) Phase 2 study entitled "An Innovative Solution to NASA's NEO Impact Threat Mitigation Grand Challenge and Flight Validation Mission Architecture Development ...
Barbee, Brent   +10 more
core   +1 more source

UEG Week 2024 Moderated Posters

open access: yes
United European Gastroenterology Journal, Volume 12, Issue S8, Page 201-664, October 2024.
wiley   +1 more source

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