Modeling Correlation of Quantized Noise and Periodic Signals

Andre B.J. Kokkeler, André W. Gunst

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    Abstract

    A model for determining the cross-correlation function of partially correlated noise is presented. In this model a strong interferer is included and represented by a periodic signal common to both channels of the correlator. A general expression for the correlation function is deduced and verified. The power spectrum of a calculated correlation function is compared with a simulation. The results presented in this paper form a base for the design of modern multi-bit correlators. These are part of future generation Radio Astronomy Receivers which increasingly have to cope with man-made interfering signals.
    Original languageUndefined
    Pages (from-to)802-805
    Number of pages4
    JournalIEEE signal processing letters
    Volume11
    Issue number10
    DOIs
    Publication statusPublished - Oct 2004

    Keywords

    • A/D converters
    • METIS-221621
    • dither
    • EWI-2769
    • Quantization
    • Correlation
    • IR-49362

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