Question: Sufficient sampling A field has the spatial autocorrelation function sinc2x=d; where d is some constant and x is the distance variable. (a) What is the

Sufficient sampling A field has the spatial autocorrelation function sincð2x=dÞ;

where d is some constant and x is the distance variable.

(a) What is the maximum permitted separation of sensors to be able to reconstruct the field perfectly?

(b) Why is sampling at exactly this frequency a poor idea in practice?

(c) Why is perfect reconstruction not possible in real systems?

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