Scheme for digital processing of video signals in acousto-optical spectrum analyzer provides real-time correction for signal-dependent spectral bias. Spectrum analyzer described in "Two-Dimensional Acousto-Optical Spectrum Analyzer" (NPO-18092), related apparatus described in "Three-Dimensional Acousto-Optical Spectrum Analyzer" (NPO-18122). Essence of correction is to average over digitized outputs of pixels in each CCD row and to subtract this from the digitized output of each pixel in row. Signal processed electro-optically with reference-function signals to form two-dimensional spectral image in CCD camera.


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    Titel :

    Eliminating Bias In Acousto-Optical Spectrum Analysis


    Beteiligte:
    Ansari, Homayoon (Autor:in) / Lesh, James R. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1992-09-01



    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :


    Two-Dimensional Acousto-Optical Spectrum Analyzer

    Ansari, Homayoon / Lesh, James R. / Metscher, Brian | NTRS | 1991


    Three-Dimensional Acousto-Optical Spectrum Analyzer

    Ansari, Homayoon / Lesh, James R. | NTRS | 1991


    Acousto-optical elastography

    Kirkpatrick, Sean J. / Duncan, Donald D. | SPIE | 2001


    RF signal analysis using a combined acousto-optical correlator and spectrum analyzer [5477-39]

    Gurevich, B. S. / Andreyev, S. V. / Belyaev, A. V. et al. | British Library Conference Proceedings | 2004


    Acousto-Optical Imaging Spectropolarimeter

    Saif, Babak / Glenar, David / Zimmerman, Robert et al. | NTRS | 1992