Browsing by Author
Lehmensiek, Robert
Showing results 1 to 10 of 10
| Issue Date | Title | Author(s) |
| 2017 | Aperture efficiency performance limits of the SKA reflector system | Lehmensiek, Robert ; De Villiers, Dirk IL |
| 2016 | Approximate noise temperature calculations of offset gregorian reflector systems | Lehmensiek, Robert ; De Villiers, Dirk IL |
| 2016 | A beam steerable back-to-back Yagi-Uda dielectric resonator antenna array | Lehmensiek, Robert |
| 2011 | Circularly polarized circular microstrip patch antenna loaded with four shorting posts for nano satellite applications | Khotso, P ; Lehmensiek, Robert ; van Zyl, Robert Ryk |
| 2011 | Comparison of the communication time of a high gain versus a low gain monopole-like low profile antenna on a 3-unit CubeSat | Khotso, Patsa A ; Lehmensiek, Robert ; van Zyl, Robert Ryk |
| 2016 | A design methodology of the wideband orthogonal mode transducer for the SKA Band 2 feed | Lehmensiek, Robert |
| 2017 | Design of a wideband circularly polarized 2 × 2 array with shorted annular patches at X-band on a CubeSat | Lehmensiek, Robert |
| 2013 | The design of an HF antena on a 1U CubeSat | Lehmensiek, Robert ; van Zyl, Robert Ryk ; Visser, DF |
| 2016 | Low frequency diffraction effects when shaping the offset Gregorian Reflector System of the SKA | De Villiers, Dirk IL ; Lehmensiek, Robert ; Ivashina, Marianna V |
| 2012 | The synthesis and optimizationof a diplexer for the multi-purpose, multi-frequency Shuttlecock antenna | Lehmensiek, Robert |