专利名称：Apparatus and method for real-time
spectral alignment for open- path fouriertransform infrared spectrometers
发明人：Chung-Tao David Wang,Robert Howard
Kagann
申请号：US08/992227申请日：19971217公开号：US05959730A公开日：19990928
摘要：An improved method for use with an open-path fast Fourier infraredspectrometer performs real-time, spectral alignment on measured interferograms toreduce measuremental errors. The improved method includes the step of selecting aplurality of water-vapor lines in a defined spectral region and comparing the centerline ofthese measured water vapor lines to a reference library. From these comparisons, thespectrometer calculates correction factors to apply to the spectrometer bandwidth. Theimproved spectrometer performs transform functions on selected segments of thespectrometer bandwidth which introduce integer- continuous corrective shifts onsubsequently measured interferogram data.
申请人：AIL SYSTEMS, INC.
代理机构：Hoffmann & Baron, LLP
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