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  • 1
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    Meteoroid hazard near moon. (1968)
    In:  Other Sources
    Details
    Publication Date: 2011-08-12
    Description: Meteoroid hazard in near moon environment, measuring rate of penetration of metal skin with Lunar Orbiters
    Keywords: SPACE SCIENCES
    Type: ; ADEMIE DES SCIENCES
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
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    Real-time test of MOCS algorithm during Superflux 1980 (1981)
    In:  CASI
    Details
    Publication Date: 2016-06-07
    Description: A remote sensing experiment was conducted in which success depended upon the real-time use of an algorithm, generated from MOCS (multichannel ocean color sensor) data onboard the NASA P-3 aircraft, to direct the NOAA ship Kelez to oceanic stations where vitally needed sea truth could be collected. Remote data sets collected on two consecutive days of the mission were consistent with the sea truth for low concentrations of chlorophyll a. Two oceanic regions of special interest were located. The algorithm and the collected data are described.
    Keywords: OCEANOGRAPHY
    Type: Chesapeake Bay Plume Study; p 301-322
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 3
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    Cyclotron tests to determine the response of solid-state detectors to protons of energies 50 to 160 mev for use in a proton spectrometer. (1965)
    In:  Other Sources
    Details
    Publication Date: 2019-01-25
    Description: Cyclotron tests to determine response of solid state detectors to protons of energies 50 to 160 mev for use in proton spectrometer
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Format: text
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    NASA TECHNICAL REPORTS
  • 4
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    Cyclotron tests to determine the response of solid-state detectors to protons of energies 50 to 160 mev for use in a proton spectrometer (1964)
    In:  CASI
    Details
    Publication Date: 2019-05-24
    Description: Cyclotron tests for determination of solid state detector response to protons of energies 50 to 160 MeV for use in proton spectrometer
    Keywords: PHYSICS, ATOMIC, MOLECULAR, AND NUCLEAR
    Type: NASA-TM-X-54822
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 5
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    Characteristic vector analysis of inflection ratio spectra: New technique for analysis of ocean color data (1985)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: Characteristic vector analysis applied to inflection ratio spectra is a new approach to analyzing spectral data. The technique applied to remote data collected with the multichannel ocean color sensor (MOCS), a passive sensor, simultaneously maps the distribution of two different phytopigments, chlorophyll alpha and phycoerythrin, the ocean. The data set presented is from a series of warm core ring missions conducted during 1982. The data compare favorably with a theoretical model and with data collected on the same mission by an active sensor, the airborne oceanographic lidar (AOL).
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: NASA-TP-2428 , NAS 1.60:2428 , L-15885
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 6
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    Ocean color algorithm for remote sensing of chlorophyll (1983)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: An algorithm for the remote detection of chlorophyll a in the ocean was tested during a Nantucket Shoals experiment conducted by NASA. A set of Multichannel Ocean Color Sensor (MOCS) data selected from one flight for each of the two altitudes flown was used to calibrate the algorithm for chlorophyll a concentration. The equations were then applied to all unsaturated MOCS data collected during the 8-day experiment to generate contour maps of chlorophyll a concentration over the shoals. One additional flight was conducted away from the shoals both on and off the Continental Shelf. Although no solar elevation or environmental corrections were made to the original conversions, the equations in these tests determined chlorophyll a concentrations to an accuracy better than 1.0 micron g/L despite the fact that the solar elevation varied between 20 deg and 56 deg during the data collection periods of the experiments.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: NASA-TP-2164 , L-15573 , NAS 1.60:2164
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 7
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    Preliminary data for the 20 May 1974, simultaneous evaluation of remote sensors experiment (1975)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Several remote sensors were simultaneously used to collect data over the tidal James River from Hopewell to Norfolk, Virginia. Sensors evaluated included the Multichannel-Ocean Color Sensor, multispectral scanners, and multispectral photography. Ground truth measurements and remotely sensed data are given. Preliminary analysis indicates that suspended sediment and concentrated industrial effluent are observable from all sensors.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: NASA-TM-X-72676
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 8
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    Characteristic vector analysis as a technique for signature extraction of remote ocean color data (1977)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: Characteristic vector analysis is being used to extract spectral signatures of suspended matter in the ocean from remote ocean color data collected with MOCS (Multichannel Ocean Color Sensor), a multispectral scanner. Spectral signatures appear to be obtainable either directly from characteristic vectors or through a transformation of these eigenvectors. Quantification of the suspended matter associated with each resulting signature seems feasible using associated coefficients generated by the technique. This paper presents eigenvectors associated with algae, 'sediment', acid waste, sewage sludge, and oil. The results suggest an efficient method of transmitting from satellites multispectral data of pollution in our oceans.
    Keywords: ENVIRONMENT POLLUTION
    Type: Annual Remote Sensing of Earth Resources Conference; Mar 29, 1977 - Mar 31, 1977; Tullahoma, TN
    Format: text
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    NASA TECHNICAL REPORTS
  • 9
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    Signature extraction of ocean pollutants by eigenvector transformation of remote spectra (1978)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: Spectral signatures of suspended matter in the ocean are being extracted through characteristic vector analysis of remote ocean color data collected with MOCS (Multichannel Ocean Color Sensor). Spectral signatures appear to be obtainable through analyses of 'linear' clusters that appear on scatter diagrams associated with eigenvectors. Signatures associated with acid waste, sewage sludge, oil, and algae are presented. The application of vector analysis to two acid waste dumps overflown two years apart is examined in some detail. The relationships between eigenvectors and spectral signatures for these examples are analyzed. These cases demonstrate the value of characteristic vector analysis in remotely identifying pollutants in the ocean and in determining the consistency of their spectral signatures.
    Keywords: ENVIRONMENT POLLUTION
    Type: In: Joint Conference on Sensing of Environmental Pollutants; Nov 06, 1977 - Nov 11, 1977; New Orleans, LA
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    NASA TECHNICAL REPORTS
  • 10
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    Signature analysis of reflectance spectra of phytoplankton and sediment in inland waters (1973)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Keywords: GEOPHYSICS
    Type: Conference on Earth Resources Observation and Information Analysis Systems; Mar 26, 1973 - Mar 28, 1973; Tullahoma, TN
    Format: text
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    NASA TECHNICAL REPORTS
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