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PATENT DOCUMENTS 6,081,158 A 6/2000 Twitchell et al. 6,091,522 A 7/2000 Snawerdt, III …

(57) ABSTRACT Systems (400, 500, 600) and methods (300) for generating a chaotic
amplitude modulated signal absent of cycloStationary features by preserving a constant …

(57) ABSTRACT A method (300) for generating a sine and cosine of an input angle (Oo).
The method involves decomposing Oo to an octant or quadrant, a coarse angle (A), and a …

US PATENT DOCUMENTS 3,564,223. A 2f1971 Harris et al. 4,646,326 A 2/1987 Backof, Jr.
et al. 4,703,507 A 10, 1987 Holden 5,007,087 A 4, 1991 Bernstein et al. 5,048,086 A 9, 1991 …

Although people can typically maintain balance on moving trains, or press the appropriate
button on an elevator with little conscious effort, the apparent ease of these sensorimotor …

US PATENT DOCUMENTS 3,564,223. A 2f1971 Harris et al. 4,646,326 A 2/1987 Backof, Jr.
et al. 4,703,507 A 10, 1987 Holden 5,007,087 A 4, 1991 Bernstein et al. 5,048,086 A 9, 1991 …

3,564,223. A 2, 1971 Harris et al. from Galois field GFIp'to Galois extension field GFIp''). 3. A
g Sir Jr. etal The encryptor is configured to generate an encrypted data 4703.507 A 10/1987 …

Preuss et a1. Sutton et a1. LaBarre et a1. Koopman, Jr. samples from the received signal;
selecting a? rst set of samples from the lGSSS; and concurrently comparing each of the N …

This paper introduces a novel digital chaotic circuit that is capable of supporting both the
maximum entropy requirements of a chaotic communication system and the hardware …

(57) ABSTRACT A cryptographic system (CS) is provided. The CS (800) com prises a data
stream receiving means (DSRM), a generator (702), a mixed radix converter (MRC) and an …