Title :
Analysis and experimental study of high stability microwave radiometer
Author :
Lijie Niu ; Hao Liu ; Ji Wu
Author_Institution :
Key Lab. of Microwave Remote Sensing, Nat. Space Sci. Center, Beijing, China
Abstract :
A new ocean salinity mission concept has been proposed and a ground-based prototype is being developed in MIRSlab, CAS. The passive part of the combined instrument is a one-dimension synthetic aperture radiometer. A critical technical challenge is that the radiometer needs to have very high sensitivity and high calibration stability. In this paper, theoretical analysis is given to high stability radiometer, and a high stability L-band radiometer has been developed to demonstrate its performance.
Keywords :
microwave detectors; oceanographic equipment; oceanographic techniques; radiometers; 1D synthetic aperture radiometer; CAS; MIRSlab; critical technical challenge; ground-based prototype; high stability L-band radiometer; high stability microwave radiometer; ocean salinity mission concept; Feeds; Microwave radiometry; Noise; Stability analysis; Temperature control; Thermal stability; Ocean salinity; high stability radiometer; synthetic aperture radiometer;
Conference_Titel :
Geoscience and Remote Sensing Symposium (IGARSS), 2014 IEEE International
Conference_Location :
Quebec City, QC
DOI :
10.1109/IGARSS.2014.6946831
