Search Results - "Theunissen, Wilhelmus H."

Flat-Panel Mechanical Beam Steerable Array Antennas With In-Plane Rotations: Theory, Design and Low-Cost Implementation by Tang, Qi, Mcguyer, Bart H., Booen, Eric, Saraswat, Srishti, Tabatabai, Farbod, Bolandhemmat, Hamid, Von Badinski, Curt, Theunissen, Wilhelmus H.

“…We present a compact, flat-panel phased-array antenna design that beam steers using only mechanical in-plane rotations. We explain the steering mechanism and…”
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Reconfigurable contour beam-reflector antenna synthesis using a mechanical finite-element description of the adjustable surface by Theunissen, W.H., Yoon, H.T., Burnside, W.D., Washington, G.N.

“…A synthesis technique based on a mechanical finite-element (FEM) surface description of dual-offset reflector (DOSR) surfaces is described. This technique is…”
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Design, modeling, and optimization of mechanically reconfigurable aperture antennas by Washington, G., Hwan-Sik Yoon, Angelino, M., Theunissen, W.H.

“…The work in this study develops the framework for placement and actuation of novel reconfigurable dual-offset contour beam reflector antennas (DCBRA). Toward…”
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Analysis and design of doubly curved piezoelectric strip-actuated aperture antennas by Hwan-Sik Yoon, Washington, G., Theunissen, W.H.

“…Aperture antennas that have the ability to change their reflector shape through the use of piezoelectric actuators have been studied. The results show that…”
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Doubly curved aperture antenna shape prediction with the use of network-based predictors by Punhani, Amitesh, Washington, Gregory, Theunissen, Wilhelmus H.

“…The main objective of this work is to predict the shape of an antenna subreflector that produces a desired radiation far‐field pattern by utilizing artificial…”
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Reconfigurable contour beam reflector antennas using adjustable subreflector and adjustable single feed by Theunissen, Wilhelmus H., Yoon, Hwan-Sik, Washington, Gregory N., Burnside, Walter D.

“…A synthesis technique and mechanical design for a reconfigurable contour beam dual‐offset‐reflector antenna for satellite application are described. Mechanical…”
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Mechanical finite element diffraction synthesis of reconfigurable contour beams from dual offset reflector antennas by Theunissen, W.H., Yoon, H.T., Washington, G.N., Burnside, W.D.

“…A mechanical finite element code is incorporated into a diffraction synthesis code to enable direct synthesis of a reconfigurable dual offset reflector…”
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