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Robert Lehmensiek

Observed names: Lehmensiek R, Lehmensiek, R., Lehmensiek, Robert, Prof Robert Lehmensiek, R Lehmensiek, R. Lehmensiek, Robert LEHMENSIEK
ORCID: 0000-0001-9388-3081
Observed ORCID: 0000-0001-9388-3081
OpenAlex ID: A5071957130
Revival of the Magnetar PSR J1622–4950: Observations with MeerKAT, Parkes, XMM-Newton, Swift, Chandra, and NuSTAR
2018 · F. Camilo, P. Scholz, et al. · The Astrophysical Journal · 161
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Inflation of 430-parsec bipolar radio bubbles in the Galactic Centre by an energetic event
2019 · I. Heywood, F. Camilo, et al. · Nature · 146
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The 1.28 GHz MeerKAT Galactic Center Mosaic
2022 · I. Heywood, I. Rammala, et al. · The Astrophysical Journal · 135
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The 1.28 GHz MeerKAT DEEP2 Image
2020 · T. Mauch, W. D. Cotton, et al. · The Astrophysical Journal · 134
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The MeerKAT Galaxy Cluster Legacy Survey
2021 · K. Knowles, W. D. Cotton, et al. · Astronomy and Astrophysics · 131
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The Black Hole Explorer: motivation and vision
2024 · Michael Johnson, Kazunori Akiyama, et al. · Space Telescopes and Instrumentation: Optical, Infrared, and Millimeter Wave · 91
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The SARAO MeerKAT 1.3 GHz Galactic Plane Survey
2024 · S Goedhart, W D Cotton, et al. · Monthly Notices of the Royal Astronomical Society · 77
Creating accurate multivariate rational interpolation models of microwave circuits by using efficient adaptive sampling to minimize the number of computational electromagnetic analyses
2001 · R. Lehmensiek, P. Meyer · IEEE Transactions on Microwave Theory and Techniques · 76
Primary beam effects of radio astronomy antennas – II. Modelling MeerKAT L-band beams
2021 · K M B Asad, J N Girard, et al. · Monthly Notices of the Royal Astronomical Society · 63
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Optimization of Log-Periodic Dipole Array Antennas for Wideband Omnidirectional Radiation
2015 · Robert Lehmensiek, Dirk I. L. de Villiers · IEEE Transactions on Antennas and Propagation · 38
Engineering and science highlights of the KAT-7 radio telescope
2016 · A. R. Foley, T. Alberts, et al. · Monthly Notices of the Royal Astronomical Society · 37
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Deriving an Optimum Mapping Function for the SKA-Shaped Offset Gregorian Reflectors
2015 · Robert Lehmensiek, Isak P. Theron, et al. · IEEE Transactions on Antennas and Propagation · 37
Adaptive sampling applied to multivariate, multiple output rational interpolation models with application to microwave circuits
2002 · Robert Lehmensiek, Petrie Meyer, et al. · International Journal of RF and Microwave Computer-Aided Engineering · 35
The design of the MeerKAT dish optics
2012 · Isak P. Theron, Robert Lehmensiek, et al. · International Conference on Electromagnetics in Advanced Applications (ICEAA) · 32
An efficient adaptive frequency sampling algorithm for model-based parameter estimation as applied to aggressive space mapping
2000 · Robert Lehmensiek, Petrie Meyer · Microwave and Optical Technology Letters · 32
Rapid Calculation of Antenna Noise Temperature in Offset Gregorian Reflector Systems
2015 · Dirk I. L. de Villiers, Robert Lehmensiek · IEEE Transactions on Antennas and Propagation · 31
The design of the MeerKAT L-band feed
2012 · R. Lehmensiek, I. P. Theron · International Conference on Electromagnetics in Advanced Applications (ICEAA) · 24
Sub-reflector extensions for reduced noise temperature in low-side sub-reflector offset Gregorian systems
2012 · Dirk I. L. de Villiers, Robert Lehmensiek · European Conference on Antennas and Propagation · 23
Towards an optics design for the SKA
2013 · I. P. Theron, R. Lehmensiek, et al. · 22
Wide flare angle axially corrugated conical horn design for a classical offset dual-reflector antenna
2012 · Robert Lehmensiek, Dirk I. L. de Villiers · European Conference on Antennas and Propagation · 20
L-Band Feed Horn and Orthogonal Mode Transducer for the KAT-7 Radio Telescope
2011 · Robert Lehmensiek, Isak P. Theron · IEEE Transactions on Antennas and Propagation · 20
An Optimal 18 m Shaped Offset Gregorian Reflector for the ngVLA Radio Telescope
2021 · Robert Lehmensiek, Dirk I. L. de Villiers · IEEE Transactions on Antennas and Propagation · 16
The Black Hole Explorer: instrument system overview
2024 · Daniel P. Marrone, Janice Houston, et al. · Space Telescopes and Instrumentation: Optical, Infrared, and Millimeter Wave · 15
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The design of the MeerKAT UHF band feed
2014 · Robert Lehmensiek, Isak P. Theron · 15
Sensitivity performance of the SKA offset Gregorian reflector candidates with ideal feeds
2014 · Robert Lehmensiek, Dirk I. L. de Villiers · Digest - IEEE Antennas and Propagation Society. International Symposium · 13
Works count: 112
Citation count: 1,663
H-index: 20
I10-index: 30
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