Search Results - "Smolders, A"

Uncertainties Introduced by the Probe in Millimeter-Wave Planar Near-Field Measurements by Verdaasdonk, Mirte, Bart Smolders, A., Reniers, Ad C. F.

“…No measurement is complete without a thorough investigation of the involved uncertainties. This article investigates uncertainties introduced by the probe in…”
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A 34 to 36 GHz Active Transmitarray for Ka-band Tracking Radar Using 5G Tx/Rx Beamforming ICs: Design and 64-Element Demonstrator by De Kok, Martijn, Vertegaal, Cornelis J.C., Bart Smolders, A., Johannsen, Ulf

“…An active transmitarray antenna is presented for Ka-band monopulse tracking radar in the 34 to 36 GHz range. A novel contribution is the application of…”
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Low Side-Lobe Circularly-Polarized Phased Arrays Using a Random Sequential Rotation Technique by Smolders, A. B., Visser, H. J.

“…A novel technique is presented for sidelobe and axial ratio control of circularly-polarized phased array antennas. Although our new random sequential rotation…”
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A Reverberation Chamber for Antenna Measurements up to 140 GHz by Hubrechsen, Anouk, Bronckers, Laurens A., Verwer, Steven J., Reniers, Ad C. F., Smolders, A. Bart

“…In this article, we design and verify a millimeter-wave (mmWave) reverberation chamber (RC) operating in the 24-140-GHz band. The chamber is designed to…”
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A Review of Antenna Array Technologies for Point-to-Point and Point-to-Multipoint Wireless Communications at Millimeter-Wave Frequencies by Federico, G., Caratelli, D., Theis, G., Smolders, A. B.

“…With the introduction of 5G communication systems operating in the mm-wave frequency range, new opportunities in terms of multimedia services and applications…”
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Uncertainty in Reverberation-Chamber Antenna-Efficiency Measurements in the Presence of a Phantom by Bronckers, Laurens A., Remley, Kate A., Jamroz, Benjamin F., Roc'h, Anne, Bart Smolders, A.

“…The effect of a user's proximity on wireless device performance is critical to test the device under realistic conditions. In this article, we propose and…”
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Patient-specific neural networks for contour propagation in online adaptive radiotherapy by Smolders, A, Lomax, A, Weber, D C, Albertini, F

“…fast and accurate contouring of daily 3D images is a prerequisite for online adaptive radiotherapy. Current automatic techniques rely either on contour…”
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Delocalised kinetic Monte Carlo for simulating delocalisation-enhanced charge and exciton transport in disordered materials by Balzer, Daniel, Smolders, Thijs J. A. M, Blyth, David, Hood, Samantha N, Kassal, Ivan

“…Charge transport is well understood in both highly ordered materials (band conduction) or highly disordered ones (hopping conduction). In moderately disordered…”
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Extreme Scanning Double Shaped-Reflector Antenna With Multiple Interactions for Focal Plane Array Applications by Dubok, A., Gerini, G., Smolders, A. B.

“…A new type of focal plane array (FPA) reflector antenna concept is proposed with a very wide field-of-view over a wide bandwidth (20-40 GHz) for ground…”
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Dosimetric comparison of autocontouring techniques for online adaptive proton therapy by Smolders, A, Choulilitsa, E, Czerska, K, Bizzocchi, N, Krcek, R, Lomax, A, Weber, D C, Albertini, F

“…Anatomical and daily set-up uncertainties impede high precision delivery of proton therapy. With online adaptation, the daily plan is reoptimized on an image…”
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A mm-Wave Phased-Array Fed Torus Reflector Antenna With ±30° Scan Range for Massive-MIMO Base-Station Applications by Elsakka, Amr, Farsaei, Amirashkan, van den Biggelaar, A. J., Reniers, Adrianus Cornelis Franciscus, Johansson, Martin N., Maaskant, Rob, Johannsen, Ulf, Iupikov, Oleg A., Smolders, A. Bart, Ivashina, Marianna V.

“…A phased-array fed reflector antenna system is presented which can be used for mm-wave base station applications. The proposed system is designed to support…”
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Robust optimization strategies for contour uncertainties in online adaptive radiation therapy by Smolders, A, Bengtsson, I, Forsgren, A, Lomax, A, Weber, D C, Fredriksson, A, Albertini, F

“…Online adaptive radiation therapy requires fast and automated contouring of daily scans for treatment plan re-optimization. However, automated contouring is…”
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Reactively Loaded Dielectric-Based Antenna Arrays with Enhanced Bandwidth and Flat-Top Radiation Pattern Characteristics by Maximidis, Ronis, Caratelli, Diego, Toso, Giovanni, Bart Smolders, A.

“…This paper presents an antenna array organized in sub-arrays and composed of densely spaced dielectric-based radiating elements. To reduce the number of active…”
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Synthesis of Elliptically Shaped Aperiodic Antenna Arrays Subject to Complex Design Constraints by Geerarts, J. M. E., Theis, G., Smolders, A. B., Caratelli, D.

“…State‐of‐the‐art conformal array pattern synthesis techniques typically suffer from a significant computational burden. This article builds upon the auxiliary…”
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Miniaturization of Robust UHF RFID Antennas for Use on Perishable Goods and Human Bodies by Dubok, A., Smolders, A. B.

“…Design guidelines for electrically small and robust UHF radio frequency identification (RFID) antennas are derived for operation in complex environments, such…”
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Focal-Plane Arrays With Improved Scan Capabilities by Dubok, Aleksei, Smolders, A. Bart

“…This article investigates the limits of focal-plane array (FPA) technology by studying a double-reflector antenna system with wide-angle scan capabilities. The…”
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Outspacing Planar Phased Arrays for Wireless Communications Infrastructure by Ark, B. G. M. van, Smolders, A. B.

“…The future mobile-data demand, driven by 5G and 6G wireless communications, puts enormous pressure on the required infrastructure. Especially the need for…”
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Sphagnum bleaching: Bicarbonate ‘toxicity’ and tolerance for seven Sphagnum species by Koks, A. H. W., Fritz, C., Smolders, A. J. P., Rehlmeyer, K., Elzenga, J. T. M., Krosse, S., Lamers, L. P. M., Dijk, G., Rennenberg, H.

“…Growth and functioning of Sphagnum mosses are closely linked to water level and chemistry. Sphagnum mosses occur in wet, generally acidic conditions, and when…”
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On the Yield of Millimeter-Wave Bond-Wire-Antennas in High Volume Production by Johannsen, U., Smolders, A. B.

“…For the development of highly integrated millimeter-wave front-end modules, a low-cost and high-performance antenna technology is of paramount importance…”
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Effects of Groundwater Nitrate and Sulphate Enrichment on Groundwater-Fed Mires: a Case Study by van Dijk, G., Wolters, J., Fritz, C., de Mars, H., van Duinen, G. J., Ettwig, K. F., Straathof, N., Grootjans, A. P., Smolders, A. J. P.

“…Mires and peatlands in general are heavily influenced by anthropogenic stressors like acidification, eutrophication, desiccation and fragmentation…”
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