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Strut Shaping of 34m Beam Waveguide Antenna for Reductions in Near-Field RF and Noise TemperatureStrut shaping of NASA's Deep Space Network (DSN) 34m Beam Waveguide (BWG) antenna has been implemented to reduce near-field RF exposure while improving the antenna noise temperature. Strut shaping was achieved by introducing an RF shield that does not compromise the structural integrity of the existing antenna. Reduction in the RF near-field level will compensate for the planned transmit power increase of the antenna from 20 kW to 80 kW while satisfying safety requirements for RF exposure. Measured antenna noise temperature was also improved by as much as 1.5 K for the low elevation angles and 0.5 K in other areas.
Document ID
20130002559
Acquisition Source
Jet Propulsion Laboratory
Document Type
Presentation
External Source(s)
hdl:2014/42529
Authors
Khayatian, Behrouz (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Hoppe, Daniel J. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Britcliffe, Michael J. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Gama, Eric (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Date Acquired
August 27, 2013
Publication Date
July 8, 2012
Subject Category
Communications And Radar
Meeting Information
Meeting: IEEE Antenna and Propagation Symposium
Location: Chicago, IL
Country: United States
Start Date: July 8, 2012
End Date: July 14, 2012
Distribution Limits
Public
Copyright
Other
Keywords
near-field
strut
antenna

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