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The SMOS mission is developed for monitoring the surface soil moisture and ocean salinity by a two dimensional L-band synthetic aperture interferometric radiometer. However, artificial sources emitting in the protected L-band are contaminating the retrievals of the soil moisture and ocean salinity from the measurements. To mitigate the RFIs' impacts, the classical CLEAN algorithm was introduced and...
For aperture synthesis radiometers, sparse samplings on the $u$ -$v$ frequency plane cause undesirable sidelobes in the synthesized beam. Through these sidelobes, artificial sources emitting in the protected 1400–1427 MHz band contaminate the retrievals of the soil moisture and ocean salinity (SMOS) from MIRAS measurements. One effective way to correct the artificial interferences is to create...
Aperture synthesis measurements, also termed complex visibilities, are the sparse samplings in the (u,v) frequency plane, which causes undesirable side lobes in the synthesized beam. Through the side lobes, artificial sources emitting in the protected 1400–1427MHz band are contaminating the retrievals of the soil moisture and ocean salinity (SMOS) satellite launched by the European Space Agency (ESA)...
People pay great attention on the indoor air pollution of public building now. Indoor environment of six university buildings (library, laboratory, classroom, dormitory, computer room and office) were measured with gas detector from March to May. The concentrations of total volatile organic compounds (VOCs) of these sites meet the "Indoor air quality standards "requirements of China. The...
Indoor air quality of the new building has become a major concentration in China. Volatile organic compounds (VOCs) in new buildings were investigated and factors significant to their presence were discussed. Concentrations of volatile organic compounds, temperature and humidity were measured in four new apartment buildings over 6 months following installation. Formaldehyde concentrations in the new...
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