+ Visit NASA.gov + Contact NASA   + Home Select Search Field * All Report - Patent Number Abstract *Accession Number *NASA Center *Author NameDocument IDKeywordsPublication Date *Title * Find Results With All of the words At least one of the words Enter Search Term  within returned results    Search Tips: Use only the fields with * to search NIX collection. Enclose terms in double quotation marks (") to search for exact phrases, ie: "space shuttle". NOTE: Commas and dashes are removed from search term by search engine. Select Reset Search button to start a new search. See Help for more tips. + NASA Center + Subject Selected Navigations: [Remove] Publication Year > 1991-2000 > 1992 [x] Item/Media Type > NASA Tech Brief [x] Sort results by: NASA Center | Date Added to NTRS | Publication Year There are a total of 829 record(s) matching your query. Sorted by: Date Added To NTRS in Descending order 1 2 3 4 5 6 7 8 9 10 Next >> Windshield-Wiper Heater Author(s): Martin, James A. Abstract: Heated blades significantly enhance safety of aircraft and automobiles. Electrical-resistance heating strips inside cover keep wiper blade warmer than freezing temperature. Applies heat directly to windshield wipers, ... NASA Center: Langley Research Center Publication Year: 1992 Added to NTRS: 2005-09-30 Accession Number: 92B10625; Document ID: 19920000625; Report Number: LAR-14426 Bayesian Classification Scheme Author(s): Stutz, John; Cheeseman, Peter; Taylor, Will; Hanson, Robin; Self, Matthew Abstract: Scheme derived via statistical approach identifies classes in sets of data. Determines probable number of classes, probabilistic descriptions of classes, and probability that each object is member of each class. Scheme ... NASA Center: Ames Research Center Publication Year: 1992 Added to NTRS: 2005-09-30 Accession Number: 92B10263; Document ID: 19920000263; Report Number: ARC-12797 Statistical Approach To Extraction Of Texture In SAR Author(s): Rignot, Eric J.; Kwok, Ronald Abstract: Improved statistical method of extraction of textural features in synthetic-aperture-radar (SAR) images takes account of effects of scheme used to sample raw SAR data, system noise, resolution of radar equipment, and ... NASA Center: Jet Propulsion Laboratory Publication Year: 1992 Added to NTRS: 2005-09-30 Accession Number: 92B10720; Document ID: 19920000720; Report Number: NPO-18259 Dynamics And Control Of Flexible Manipulator Author(s): Gawronski, Wodek K.; Ih, Che-Hang C.; Wang, Shyh J. Abstract: Nonlinear equations solved with linear approximations applicable during small increments of time. Report presents theoretical study of selected aspects of dynamics and control of robotic manipulator that includes multiple ... NASA Center: Jet Propulsion Laboratory Publication Year: 1992 Added to NTRS: 2005-09-30 Accession Number: 92B10637; Document ID: 19920000637; Report Number: NPO-18338 CFD Simulations Of Sonic Booms In Near And Mid Fields Author(s): Cheung, Samson H.; Edwards, Thomas A.; Lawrence, Scott L. Abstract: Report discusses computational fluid dynamics (CFD) to simulate generation and propagation of sonic booms in near- and mid-field regions of supersonic flows about simplified bodies representative of advanced airplanes. ... NASA Center: Ames Research Center Publication Year: 1992 Added to NTRS: 2005-09-30 Accession Number: 92B10478; Document ID: 19920000478; Report Number: ARC-12855 High-Performance Positive Paste For Lead/Acid Batteries Author(s): Kao, Wen-Hong Abstract: Newly formulated paste for application to positive plates of lead/acid batteries imparts higher discharge currents and higher specific energy. Other disadvantages of paste, designated F2: contains no acid or free lead, no ... NASA Center: Jet Propulsion Laboratory, Johnson Space Center Publication Year: 1992 Added to NTRS: 2005-09-30 Accession Number: 92B10604; Document ID: 19920000604; Report Number: NPO-18205 Wide-Angle, Reflective Strip-Imaging Camera Author(s): Vaughan, Arthur H. Abstract: Proposed camera images thin, striplike portion of field of view of 180 degrees wide. Hemispherical concave reflector forms image onto optical fibers, which transfers it to strip of photodetectors or spectrograph. Advantages ... NASA Center: Jet Propulsion Laboratory Publication Year: 1992 Added to NTRS: 2005-09-30 Accession Number: 92B10293; Document ID: 19920000293; Report Number: NPO-18146 High-Dynamic-Range Fiber-Optic Link For Microwave Signals Author(s): Logan, Ronald T., Jr.; Lutes, George F. Abstract: Ultrastable fiber-optic communications system transmits microwave signals between antenna sites of Deep Space Network (DSN) and central processing station several kilometers away. Permits relocation of critical components ... NASA Center: Jet Propulsion Laboratory Publication Year: 1992 Added to NTRS: 2005-09-30 Accession Number: 92B10274; Document ID: 19920000274; Report Number: NPO-18172 Finite-Element Program For Analysis Of Cracked Bodies Author(s): Newman, James C., Jr.; Shivakumar, Kunigal N. Abstract: ZIP3D analyses cracks in three-dimensional elastic or elastic/plastic bodies. Program calculates mixed-mode fracture-mechanics parameters in cracked solids. Bodies without cracks analyzed to obtain stresses, strains, and ... NASA Center: Langley Research Center Publication Year: 1992 Added to NTRS: 2005-09-30 Accession Number: 92B10236; Document ID: 19920000236; Report Number: LAR-14611 Thinner, More-Efficient Oxygen-Separation Cells Author(s): Clark, Douglas J.; Galica, Leo M.; Losey, Robert W. Abstract: Better gas-distribution plates fabricated more easily. Oxygen-separation cell redesigned to make it more efficient, smaller, lighter, and easier to manufacture. Potential applications include use as gas separators, filters, ... NASA Center: Jet Propulsion Laboratory Publication Year: 1992 Added to NTRS: 2005-09-30 Accession Number: 93B10196; Document ID: 19930000196; Report Number: NPO-18093 1 2 3 4 5 6 7 8 9 10 Next >> + Back to Top + Sponsored by the NASA Scientific and Technical    Information Program + 2004 Vision for Space Exploration + Freedom of Information Act + NASA Web Privacy Policy and Important Notices + NASA Disclaimers, Copyright Notice,    and Terms and Conditions of Use NASA Official: Calvin Mackey Page Curator: NASA Center for AeroSpace Information (help@sti.nasa.gov) Last Updated: July 5, 2007