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Polarimetric Microwave Imager (PMI) is planning as one of the main payload on WCOM satellite with the purposes of collecting the radiation from the Earth surface to retrieve the geophysical parameters of the land, ocean and atmosphere. PMI is passive microwave radiometer with frequencies of 6.8, 10.7, 18.7, 23.8, 37 .0 and 89GHz. The radiometers at 10.7, 18.7 and 37.0 GHz are full-polarized to measure...
FY-3C (FengYun 3C) meteorological satellite of China was successfully launched on Sept 23, 2013. MWHTS (MicroWave Humidity and Temperature Sounder) was a very important payload for measuring global atmospheric water vapour profiles; also, it adds 8 channels at 118.75GHz to sound temperature information for the first time internationally for polar-orbit satellite. In this paper, the authors will describe...
Since the first polarimetric radiometer satellite WindSat was launched on January 6, 2003 [1] and has been working normally until now, microwave polarimetry has demonstrated its ability on retrieving global wind vector [2].The first digital correlation microwave polarimeter was designed in 2001 [3], and digital technology has made a great progress during the last decade. We describe design of a digital-correlation...
In this paper we present calibration and error analysis of our Ka-band fully polarimetric radiometer, the radiometer used a wideband microstrip correlator. The calibration method is based on the tri-polarimetric calibration technique of Gasiewski and Kunkee, but is extended to provide the calibration of the fourth Stokes parameter using a retarder plate. A method to determine the phase shift of the...
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