Jia-qing LIU, Zhi-zeng LI, Jing LI, Lei LIU, Lei LIU, Hong-long GUO, Jian-guo WANG. Phase Characterizing and Processing in Fourier Transform Spectroscopy[J]. Spectroscopy and Spectral Analysis, 2020, 40(11): 3328
- Spectroscopy and Spectral Analysis
- Vol. 40, Issue 11, 3328 (2020)
Fig. 1. Fitting instrument phase with different interferometer temperature
Fig. 2. Phase regression residuals with phase correction procedure
Fig. 3. Phase error of fourier transform spectrometer
(a): Measurement phase; (b): Residuals phase after linear phase removed
(a): Measurement phase; (b): Residuals phase after linear phase removed
Fig. 4. Complex radiometric calibration result
(a): Calibration spectral radiometric; (b): Phase residuals
(a): Calibration spectral radiometric; (b): Phase residuals
Fig. 5. Radiometric uncertainty expressed as brightness temperature differences
Fig. 6. Calibration data with different method
(a): Calibration spectral radiometric; (b): Radiometric uncertainty
(a): Calibration spectral radiometric; (b): Radiometric uncertainty
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Table 1. Performance of instrumental phase identification with different polynomials order
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Table 2. Mean square errors before and after symmetrization
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