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Modeling correlation of quantized noise and periodic signals

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2 Author(s)
Kokkeler, A.B.J. ; Dept. of Electr. Eng., Univ. of Twente, Enschede, Netherlands ; Gunst, A.W.

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 multibit correlators. These are part of future generation radio astronomy receivers which increasingly have to cope with man-made interfering signals.

Published in:

Signal Processing Letters, IEEE  (Volume:11 ,  Issue: 10 )