Results 111 to 120 of about 64,462 (213)

Application of multispectral radar and LANDSAT imagery to geologic mapping in death valley [PDF]

open access: yes
Side-Looking Airborne Radar (SLAR) images, acquired by JPL and Strategic Air Command Systems, and visible and near-infrared LANDSAT imagery were applied to studies of the Quaternary alluvial and evaporite deposits in Death Valley, California. Unprocessed
Daily, M.   +5 more
core   +1 more source

Application of fuel/time minimization techniques to route planning and trajectory optimization [PDF]

open access: yes, 1984
Rising fuel costs combined with other economic pressures have resulted in industry requirements for more efficient air traffic control and airborne operations.
Knox, C. E.
core   +1 more source

Ground clutter measurements using the NASA airborne doppler radar: Description of clutter at the Denver and Philadelphia airports [PDF]

open access: yes
Detection of hazardous wind shears from an airborne platform, using commercial sized radar hardware, has been debated and researched for several years. The primary concern has been the requirement for 'look-down' capability in a Doppler radar during the ...
Delnore, Victor E.   +3 more
core   +1 more source

Progress in coherent laser radar [PDF]

open access: yes, 1986
Considerable progress with coherent laser radar has been made over the last few years, most notably perhaps in the available range of high performance devices and components and the confidence with which systems may now be taken into the field for ...
Vaughan, J. M.
core   +1 more source

Digital Beamforming and Traffic Monitoring Using the new FSAR System of DLR [PDF]

open access: yes, 2007
In November 2006 the first X-band test flight of DLR’s new FSAR system has been performed successfully and in February 2007 the first flight campaign has been conducted for acquiring experimental multi-channel data of controlled ground moving targets. In
Baumgartner, Stefan   +6 more
core  

Analysis Methods of Errors (Motion and Atmospheric) in Synthetic Aperture Radar (SAR) Images [PDF]

open access: yes, 2005
A method to allow the analysis of the effects of motion and atmospheric errors in SAR images is here presented. The objective of the method is to allow the visualization of the effects of motion errors and atmospheric artefacts on the processed (focused)
Boerner, Thomas   +4 more
core  

Airborne Doppler radar detection of low altitude windshear [PDF]

open access: yes
As part of an integrated windshear program, the Federal Aviation Administration, jointly with NASA, is sponsoring a research effort to develop airborne sensor technology for the detection of low altitude windshear during aircraft take-off and landing ...
Bracalente, Emedio M.   +2 more
core   +1 more source

ANALYSIS OF THE STATE OF THE DEVELOPMENT OF AIRBORNE RADARS OF DOMESTIC AND FOREIGN PRODUCTION

open access: yesНаучный вестник МГТУ ГА, 2016
This article gives a brief description of the of modern and advanced aircraft systems and multi-functional on-board radar stations as part of their avionics, the characteristics of airborne radars and description of antenna arrays op-erationally ...
E. E. Nechayev, K. S. Deryabin
doaj  

Development of a portable precision landing system [PDF]

open access: yes
A portable, tactical approach guidance (PTAG) system, based on a novel, X-band, precision approach concept, was developed and flight tested as a part of NASA's Rotorcraft All-Weather Operations Research Program.
Clary, G. R.   +2 more
core   +1 more source

Great Lakes all-weather ice information system [PDF]

open access: yes
A system is described which utilizes an X-band Side-Looking-Airborne-Radar (SLAR) for determining type, location, and aerial distribution of the ice cover in the Great Lakes and an airborne, S-band, short pulse radar for obtaining ice thickness. The SLAR
Cooper, D. W.   +7 more
core   +1 more source

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