Title :
Atmospheric microwave absorption parameter estimation near 22 GHz
Author :
Pol, Sandra L Cruz ; Ruf, Christopher S. ; Keihm, Stephen J.
Author_Institution :
Commun. & Space Sci. Lab., Pennsylvania State Univ., University Park, PA, USA
Abstract :
Atmospheric absorption parameters at microwave frequencies are estimated using synthesizer radiometer data from experiments at San Diego Miramar, CA and at West Palm Beach, FL. Measurements of well-calibrated downwelling brightness temperatures, TB, at up to nine frequencies spanning the 22.235 GHz water vapor line are compared to model predictions using radiosonde measurements at each site. Model parameters are adjusted by non-linear regression to fit the radiometer data
Keywords :
atmospheric electromagnetic wave propagation; electromagnetic wave absorption; microwave propagation; parameter estimation; 22.235 GHz; San Diego Miramar; United States; West Palm Beach; atmospheric microwave absorption parameter estimation; downwelling brightness temperatures; nonlinear regression; radiosonde measurements; synthesizer radiometer data; Atmospheric measurements; Brightness temperature; Electromagnetic wave absorption; Frequency estimation; Frequency measurement; Microwave frequencies; Microwave measurements; Microwave radiometry; Parameter estimation; Synthesizers;
Conference_Titel :
Geoscience and Remote Sensing Symposium, 1996. IGARSS '96. 'Remote Sensing for a Sustainable Future.', International
Conference_Location :
Lincoln, NE
Print_ISBN :
0-7803-3068-4
DOI :
10.1109/IGARSS.1996.516689
