An Optimal 18 m Shaped Offset Gregorian Reflector for the ngVLA Radio Telescope von Lehmensiek, Robert, de Villiers, Dirk I. L.

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Rapid Calculation of Antenna Noise Temperature in Offset Gregorian Reflector Systems von de Villiers, Dirk I. L., Lehmensiek, Robert

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Fast Parametric Modeling of Radio Astronomy Reflector Antenna Noise Temperature von de Villiers, Dirk I. L.

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Parametric Modeling of Radiation Patterns and Scattering Parameters of Antennas von Mutonkole, Ngoy, Samuel, Elizabeth Rita, de Villiers, Dirk I. L., Dhaene, Tom

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Efficient Impedance Response Modeling of Broadband Antenna Elements in Large Sparse-Regular Phased Arrays von Klopper, Brandt, De Villiers, Dirk I. L.

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Regular Sparse Array Direction of Arrival Estimation in One Dimension von Knaepkens, Ferre, Cuyt, Annie, Lee, Wen-Shin, de Villiers, Dirk I. L.

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Accurate Beam Prediction Through Characteristic Basis Function Patterns for the MeerKAT/SKA Radio Telescope Antenna von Young, A., Maaskant, R., Ivashina, M. V., de Villiers, Dirk I. L., Davidson, D. B.

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Constant Radiation Characteristics for Log-Periodic Dipole Array Antennas von Lehmensiek, Robert, de Villiers, Dirk I. L.

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Expanding the field of view: station design for the AAMID SKA radio telescope von Bij de Vaate, Jan Geralt, de Villiers, Dirk I. L., Davidson, David B., van Cappellen, Wim A.

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Noise Temperature Approximations for Offset Gregorian Reflector Systems von LEHMENSIEK, Robert, Dirk I. L. DE VILLIERS

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Fast Characterization of Mutually Coupled Array Antennas Using Isolated Antenna Far-Field Data von Marinovic, Tomislav, De Villiers, Dirk Izak Leon, Bekers, Dave J., Johansson, Martin N., Stjernman, Anders, Maaskant, Rob, Vandenbosch, Guy A. E.

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Efficient optimization of wideband reflector feed antennas for optimal receiving sensitivity von Mokhupuki, Fahmi, Villiers, Dirk I. L.

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Effects of Diffraction and Feed Pattern Variation in Shaped Offset Gregorian Reflectors von Dirk I. L. DE VILLIERS, LEHMENSIEK, Robert, IVASHINA, Marianna V.

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Optimization of Log-Periodic Dipole Array Antennas for Wideband Omnidirectional Radiation von Lehmensiek, Robert, de Villiers, Dirk I. L.

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Design of a Ten-Way Conical Transmission Line Power Combiner von de Villiers, D.I.L., van der Walt, P.W., Meyer, P.

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Aperture Efficiency Predictions in Symmetrical Paraboloidal Reflector Antennas With Nonplanar Log-Periodic-Type Feeds von de Villiers, Dirk I. L.

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Multivariate Adaptive Sampling of Parameterized Antenna Responses von Mutonkole, Ngoy, de Villiers, Dirk I. L.

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Offset Dual-Reflector Antenna System Efficiency Predictions Including Subreflector Diffraction von de Villiers, Dirk I. L.

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Design of Conical Transmission Line Power Combiners Using Tapered Line Matching Sections von de Villiers, D.I.L., van der Walt, P.W., Meyer, P.

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Numerical calculation of analytic solutions for higher order modes in conical lines von de Villiers, Dirk I. L., Meyer, Petrie

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