Fig. 1. Diagram of Fourier spectrometer

Fig. 2. Spikes in interferogram. (a) Single spikes; (b) continuous spikes

Fig. 3. Flowchart of detection and correction algorithm for spikes

Fig. 4. Interferogram with spikes

Fig. 5. Interferogram with spikes after filtering

Fig. 6. Recovery spectra with spikes before and after filtering

Fig. 7. Error of spike correction at different positions

Fig. 8. Spectra before and after spike correction

Fig. 9. Hardware implement of detection/correction algorithm for spikes. (a) Modular scheme; (b) simulation result