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A new construction of arrays for watermarking is presented. The arrays are composed from cyclic shifts of a binary column with good autocorrelation. The sequence of shifts is obtained from a discrete logarithm of an irreducible quadratic over a finite field. This yields a large family of binary arrays with low off-peak autocorrelation and low cross-correlation in many new and desirable sizes.
A new design of a non-volatile magnetic flip-flop is presented. The use of a magnetic tunnel junction (MTJ) to store the information brings non-volatility to logic circuits and promises zero standby power. It is based on the thermally assisted switching (TAS) approach and the pre-charge sense amplifier. By using STMicroelectronics' CMOS 0.13um design kit and a precise TAS-MTJ compact model, transient...
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