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Optical heterodyning and homodyning (heterodyning to baseband) have been studied by various authors.

The problem considered here is that of coding for the time-discrete amplitude-continuous memoryless channel with additive Gaussian noise, the code words lying on the surface of an n-dimensional hyp

Equation (6) is easily solved to give p(k) =p(0)[l + K t r 2 ( H ) ] . (8) Then JjmpC*)-p

Let r denote the interval between two successive zeros of a stationary gaussian process having zero-mean and one-sided power spectral density TF(/).

Recently, Zador 1 gave a clever functional iteration procedure for determining the error probability in a binary regenerative repeater with quantized feedback.

Synchronous satellite service for Alaska, and possibly other places, requires t h a t ground station a n t e n n a s point at low elevation angles.

Axis-Crossing Intervals of Sine Wave Plus Noise By I. INTRODUCTION A. J.

Blooming Suppression in Charge Coupled Area Imaging Devices By C. H.

In this paper ice describe a new semiconductor device concept.

Correction Concerning Reflecting Objects in Coherent Illumination By L. H.