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in this paper a statistical analysis of the impact of phase- and amplitude-distortions on the performance of active antenna arrays for mobile communication base stations is presented.

HE very title of this article embodies the assumption that in the upper reaches of the atmosphere there is a host of ions.

We present calculations for the analysis of torsional oscillator measurements of the mechanical properties of viscoelastic fluids and solids.

A theoretical model is used to analyze the impact of phase noise on the performance of semiconductor optical amplifiers (SOAs) in the saturation regime for differential phase-shift keying (DPSK) ap

The phase-controlled oscillator has evoked much interest in recent years.

We consider multicell multiuser MIMO systems with a very large number of antennas at the base station.

We have studied the effect of proton irradiation with energies from 21 to 200 MeV on commercial optocouplers. The basic degradation mechanisms for such devices are reviewed.

We have measured the quantum-confined Stark effect in GaSb/AlGaSb multiple quantum wells. Our data are in good agreement with theory for electric fields from 2x10 sup 4 V/cm to 13x10 sup 4 V/cm.

This work explains how to analyze the aggregate electricity consumption of many consumers, and extract key components such as heating, ventilation and air conditioning (HVAC), residential lighting,

853 854 THE BELL SYSTEM TECHNICAL JOURNAL, JULY 1955 ficient vary with distance along the lines.