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3,007 research outcomes, page 1 of 301
  • publication . Conference object . Article . 2007
    Open Access
    Authors:
    A.C. van den Broek; S.P. van den Broek; J.C. van den Heuvel; Piet B. W. Schwering; A.W.P. van Heijningen;
    Persistent Identifiers
    Publisher: SPIE

    Maritime borders and coastal zones are susceptible to threats such as drug trafficking, piracy, undermining economical activities. At TNO Defence, Security and Safety various studies aim at improving situational awareness in a coastal zone. In this study we focus on mul...

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  • publication . Article . 1995
    Restricted
    Authors:
    Yuri Mekler; Yoram J. Kaufman;
    Persistent Identifiers
    Publisher: The Optical Society

    Gradual deterioration of calibration of the Advanced Very High Resolution Radiometer (AVHRR) can be explained by the erosion of the scanning mirror as a result of interaction with interplanetary dust. Other elements of the instrument (optical filters, detector, electron...

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  • publication . Article . 1997
    Restricted
    Authors:
    Matthew J. McGill; Wilbert R. Skinner; Todd D. Irgang;
    Persistent Identifiers
    Publisher: The Optical Society

    The University of Michigan has developed an incoherent-detection Doppler lidar system that continuously measures vertical profiles of horizontal winds and aerosol backscatter. An overview of the instrument is given, followed by a description of improvements that have be...

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  • publication . Article . 2000
    Restricted
    Authors:
    Paolo F. Ambrico; Aldo Amodeo; Paolo Di Girolamo; Nicola Spinelli;
    Persistent Identifiers

    The availability of new laser sources that are tunable in the IR spectral region opens new perspectives for differential absorption lidar (DIAL) measurements. A region of particular interest is located in the near IR, where some of the atmospheric pollutants have absorp...

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  • publication . Report . 1998
    Open Access Dutch; Flemish
    Authors:
    Chehab, N.; Enzing, C.M.;
  • publication . Conference object . Article . 2013
    Open Access
    Authors:
    R.J. Dekker; Piet B. W. Schwering; K.W. Benoist; Stefano Pignatti; Federico Santini; Ola Friman;
    Persistent Identifiers
    Publisher: SPIE

    This paper studies change detection of LWIR (Long Wave Infrared) hyperspectral imagery. Goal is to improve target acquisition and situation awareness in urban areas with respect to conventional techniques. Hyperspectral and conventional broadband high-spatial-resolution...

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  • publication . Article . 1985
    Restricted
    Authors:
    W. Wiesemann; Frank Lehmann;
    Persistent Identifiers
    Publisher: The Optical Society

    Remote measurements of trace species with a cw CO2 DIAL system suffer from errors caused by unknown variations of the target reflectivity with wavelength. Information on the mineral content of the ground gained by an airborne four-wavelength CO2 DIAL system can be used ...

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  • publication . Report . 1998
    Open Access Dutch; Flemish
    Authors:
    Benedictus, J.N.; Enzing, C.M.;
  • publication . Article . 1987
    Restricted
    Authors:
    Kenneth R. Castleman;
    Persistent Identifiers
    Publisher: The Optical Society

    Digital imaging systems intended for use in quantitative cell image analysis must meet stringent requirements on both photometric and spatial resolution to support the type of investigations currently ongoing in the biomedical research community. There must be a match b...

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  • publication . Article . 1975
    Restricted
    Authors:
    M. P. McCormick;
    Persistent Identifiers
    Publisher: The Optical Society
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3,007 research outcomes, page 1 of 301