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Beam shaping and beam steering, together called beamforming, is needed when processing radio-frequency signals from phased array antennas. This can be achieved in the optical domain, by tuning an OBFN. The tuning of such a network is the task of a control system. That system is the topic of research in this assignment. It enables thermo-optical tuning of ring resonator based OBFNs. The context, design and implementation of the control system are studied. Measurements are described to show the correct working of the implemented prototype. The control system may be used in the future in an...

Wim Klooster and Gert Oostindie present a fresh look at the Dutch Atlantic in the period following the imperial moment of the seventeenth century. This epoch (1680-1815), the authors argue, marked a distinct and significant era in which Dutch military...

First edition published by Pearson Education, Inc. 2005.

First edition published by Pearson Education, Inc. 2005.