Abstract: Remarkable progress has been made in the detection of broad-band and possibly chaotic signals. Methods derived from the study of chaotic systems are also useful in the detection and analysis of certain man-made signals that are not inherently chaotic but are broad-band. These signals include phase-shift-keyed (PSK) communications signals that are used in many communications systems. Chaotic detection methods offer the prospect of detection of traditional broad-band signals, as well as the prospect of detection of many of the proposed chaotic communications schemes. !17
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