Beam-waveguide antenna performance predictions with comparisons to experimental results

Computer Science – Performance

Scientific paper

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Beam Waveguides, Cassegrain Antennas, Microwave Antennas, Performance Prediction, Reflector Antennas, Waveguide Antennas, Extremely High Frequencies, Noise Temperature, Superhigh Frequencies

Scientific paper

An overview of a NASA/JPL antenna project is presented, with specific focus on the methodology used to predict the microwave performance of a 34-m-diameter beam-waveguide (BWG) reflector antenna, designated DSS 13 (Deep Space Station 13). DSS 13 is the R&D facility serving the NASA/JPL Deep Space Network. Microwave performance predictions as well as a summary of test results for the antenna are given. The antenna has Cassegrain and centerline BWG operating modes at X-band (8.450-GHz) and Ka-band (32-GHz) frequencies. The performance predictions regarding antenna area efficiencies, corresponding beampeak gains, and for several (but not all) operating noise temperatures are found to agree reasonably well with the corresponding experimental results.

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