Abstract
AbstractThis article evaluates the experimental performance comparison between analog and digital correlation techniques in optical spread‐spectrum systems. The digital correlation achieved a 3‐cm spatial resolution, in comparison with the analog case of 20 cm. To the author's best knowledge this is the best resolution reported to date with a noncoherent system. The advantages of the approach are also discussed with reference to synchronization performance. © 1995 John Wiley & Sons, Inc.
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