6,751 to 6,760 of 6,800 Results
Aug 28, 2001
Bothwell, Graham; Diner, David J.; Pagano, Thomas S.; Duval, Valerie G.; Beregovski, Yuri; Hovland, Larry E.; Preston, Daniel J., 2001, "A second generation Multi-angle Imaging SpectroRadiometer (MISR-2)", https://hdl.handle.net/2014/40391, Earth Science Technology Conference, College Park, Maryland, August 28-30, 2001, JPL Open Repository
The Multi-angle Imaging SpectroRadiometer (MISR) has been in Earth orbit since December 1999 on NASA's Terra spacecraft. This instrument provides new ways of looking at the Earth's atmosphere, clouds, and surface for the purpose of understanding the Earth's ecology, environment,... |
Aug 28, 2001
Lo, Martin; Ross, Shane, 2001, "The Lunar L1 Gateway : portal to the stars and beyond", https://hdl.handle.net/2014/40516, AIAA Space 2001 Conference and Exposition, Albuquerque, New Mexico, August 28 - 30, 2001., JPL Open Repository
Our Solar System is interconnected by a vast system of winding tunnels generated by the Lagrange Points of all the planets and their moons. These passageways are identified by portals around L1 and L2, the halo orbits. By passing through a halo orbit portal, one enters the ancien... |
Aug 28, 2001
Pollard, Brian D.; Rodriguez, Ernesto; Kitiyakara, Amirit; Akins, Torry, 2001, "The wide swath ocean altimeter: algorithm and technology developments for improved ocean topography measurements", https://hdl.handle.net/2014/39351, NASA Earth Science Technology Conference, College Park, Maryland, August 28, 2001., JPL Open Repository
The Wide Swath Ocean Altimeter (WSOA) is a recently proposed interferometric instrument that would provide nearly complete global ocean topography measurements from a single platform. Several new algorithm and technology developments improve the expected WSOA performance, and fac... |
Aug 22, 2001
Cohen, E. J., 2001, "The effects of aberrations (low order and quilting) on the performance of the all-composite design for the Herschel Space Observatory", https://hdl.handle.net/2014/13287, ['Optomechanical Design and Engineering 2001', 'Pasadena, CA, USA'], JPL Open Repository
The effects of specific aberrations on the optical performance of the all-composite design for the Herschel Space Observatory are examined. A review of the all-composite design for the large aperture (3.5 m) telescope that satisfies the target specifications is presented. Cryogen... |
Aug 22, 2001
Catanzaro, B., 2001, "Comparison of full-aperture interferometry to sub-aperture stitched interferometry for a large diameter fast mirror", https://hdl.handle.net/2014/13272, Optomechanical Design and Engineering 2001, JPL Open Repository
The Herschel Space Observatory (formerly known as FIRST) consists of a 3.5 m space telescope. Stitching sub aperture interferograms may offer considerable cost savings during testing of the flight telescope as compared to other techniques. A comparative demonstration is presented... |
Aug 22, 2001
Catanzaro, B., 2001, "Cryogenic (70K) measurement of an all-composite 2-meter diameter mirror", https://hdl.handle.net/2014/13280, Optomechanical Design and Engineering 2001, JPL Open Repository
The Herschel Space observatory (formerly known as FIRST) consists of a 3.5 m space telescope. In order to develop lightweight telescope technology suitable for this mission, COI designed and fabricated aspherical, f/1 2 m aperture prototype primary mirror using solely carbon fibe... |
Aug 22, 2001
Catanzaro, B., 2001, "Optical metrology for testing an all-composite 2-meter diameter mirror", https://hdl.handle.net/2014/13281, Optomechanical Design and Engineering 2001, JPL Open Repository
The Herschel Space Observatory (formerly known as FIRST) consists of a 3.5 m space telescope designed for use in the long IR and sub-milimeter wavebands. To demonstrate the viability of a carbon fiber composite telescope for this application, Composite Optics Incorporated (COI) m... |
Aug 8, 2001
Marx, David; Seo, Byoung-Joon; Kern, Brian; Sidick, Erkin; Nemati, Bijan; Poberezhskiy, Ilya, 2001, "Electric Field Conjugation in the Presence of Model Uncertainty", https://hdl.handle.net/2014/46417, SPIE Optics + Photonics 2017, San Diego, California, August 6-10, 2017, JPL Open Repository
The Wide-Field Infrared Survey Telescope (WFIRST) is a 2.4m diameter space telescope NASA program. The payload will include a coronagraph instrument (CGI). The CGI designs under development use deformable mirrors (DM) to create a point spread function (PSF) with a dark region aro... |
Aug 7, 2001
Smith, Benjamin D.; Engelhardt, Barbara E.; Mutz, Darren H., 2001, "The RadarSAT-MAMM automated mission planner", https://hdl.handle.net/2014/39439, Innovative Applications of Artificial Intelligence, Seattle, Washington, August 07, 2001., JPL Open Repository
The RadarSAT Modified Antarctic Mapping Mission (MAMM) ran from September to November 2000. It consisted of over 2400 synthetic aperture radar (SAR) data takes over Antarctica that had to satisfy coverage and other scientific criteria while obeying tight resource and operational... |
Jul 30, 2001
Gomez, G.; Koon, W. S.; Lo, Martin W.; Marsden, J. E.; Masdemont, J.; Ross, S. D., 2001, "Invariant manifolds, the spatial three-body problem and space mission design", https://hdl.handle.net/2014/41546, AAS/AIAA Astrodynamics Specialtists Conference, Quebec City, Canada, July 30- August 2, 2001., JPL Open Repository
The invariant manifold structures of the collinear libration points for the spatial restricted three-body problem provide the framework for understanding complex dynamical phenomena from a geometric point of view. In particular, the stable and unstable invariant manifold "tubes"... |
