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Antenna Structures

Highly Stable Antenna Structures


 
 
 
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Thermoelastic distortions of parabolic reflector in hot case and gradient thermal cases [R1].
 
 
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Sensitivity of peak thermal distortion to core thickness for given uniform temperature and gradient cases [R1].
 
 
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Fig. 3. Flow of Data and Analysis Tools
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Fig. 3. Flow of Data and Analysis Tools used to predict focal length variations of the Herschel telescope and FEM representation [R2].
 
 
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Stochastic simulation
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Fig. 4. Stochastic simulation showing correlation of Herschel telescope focal length variation with materials coefficients of thermal expansion [R2].
 
 
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Fig. 5. Ka-Sat 2.6 m Ka band reflector
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Fig. 5. Ka-Sat 2.6 m Ka band reflector showing metallised reflecting face (courtesy Astrium-CASA).

Credits: Astrium-CASA
 
 
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Fig. 6. STANT Gregorian multibeam antenna
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Fig. 6. STANT Gregorian multibeam antenna inside ESA’s compact antenna test range.

Credits: HPS and ESA CATR
 
  Last update: 11 March 2013 


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Antenna StructuresDeployable Reflectors DevelopmentsVibroacoustic Analysis of AntennasOptimisation of reshaping surfaces
 
 
 
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