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Technical note: First spectral measurement of the Earth's upwelling emission using an uncooled wideband Fourier transform spectrometer
Earth's upwelling emission wideband Fourier transform spectrometer
2009/1/16
The first spectral measurement of Earth's emitted radiation to space in the wideband range from 100 to 1400 cm−1 with 0.5 cm−1 spectral resolution is presented. The measurement was perform...
Simultaneous ground-based observations of O3, HCl, N2O, and CH4 over Toronto, Canada by three Fourier transform spectrometers with different resolutions
Simultaneous ground-based observations O3 HCl N2O CH4 three Fourier transform spectrometers
2008/12/3
An intercomparison of three Fourier transform spectrometers (FTSs) with significantly different resolutions is presented. The highest-resolution instrument has a maximum optical path difference of 250...
Technical Note: Molecular characterization of aerosol-derived water soluble organic carbon using ultrahigh resolution electrospray ionization Fourier transform ion cyclotron resonance mass spectrometry
aerosol-derived water soluble organic carbon ultrahigh resolution electrospray ionization ion cyclotron resonance mass spectrometry
2008/11/18
Despite the acknowledged relevance of aerosol-derived water-soluble organic carbon (WSOC) to climate and biogeochemical cycling, characterization of aerosol WSOC has been limited. Electrospray ionizat...
Investigation of urban atmospheric visibility using Haar wavelet transform
visibility wavelet transform image processing air quality
2016/3/30
A method of image processing, Haar wavelet transform, was first applied to establish a new index
and provide accurate digital data to present urban atmospheric visibility, instead of the conventional...