Conference Proceeding

Broadband millimeter wave receiver with dual polarization

IEEE MTT-S International Microwave Symposium digest. IEEE MTT-S International Microwave Symposium 07/2011; DOI:10.1109/MWSYM.2011.5972645 pp.1 - 4 In proceeding of: Microwave Symposium Digest (MTT), 2011 IEEE MTT-S International
Source: IEEE Xplore

ABSTRACT Receivers with broad frequency bandwidth and low noise provide improved sensitivity for millimeter wave remote sensing and astrophysical observations, because the signal is wideband gaussian noise. For the study of the water cycle and rapidly evolving phenomena, such as hurricanes, the soundings of temperature and humidity profiles of atmosphere are achieved around the resonant frequencies of 118 GHz (oxygen) and 183 GHz (water) correspondingly. We developed a single horn receiver front end that achieved these goals. This broadband single horn receiver is especially beneficial for large interferometric sounding instruments that can now be integrated with only a single array of receivers for both temperature and humidity sounding.

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Keywords

astrophysical observations
 
broad frequency bandwidth
 
broadband single horn receiver
 
evolving phenomena
 
goals
 
humidity
 
humidity profiles
 
large interferometric
 
low noise
 
millimeter wave remote
 
resonant frequencies
 
single array
 
single horn receiver
 

P. Kangaslahti