Fig. 1. Diagram of light path

Fig. 2. Diagram of Doppler shift caused by satellite. Red and green curves are transmission curves of two etalon channels; blue curves are laser frequency position

Fig. 3. Under the maximum wind velocity, (a) wind error variation with spectrum wind at the height of 30 km; (b) SNR variation with different heights when is 1.64 GHz

Fig. 4. Composite structure of F-P etalon

Fig. 5. Internal structure of receiver and the whole structure of receiver

Fig. 6. (a) Test device of receiver; (b) Test curves of receiver

Fig. 7. Fitting curves of F-P etalon transmission

Fig. 8. Measurement errors of transmission curves of F-P etalon

Fig. 9. Measurement error variation with wind velocity with different bandwidths at 30 km

Fig. 10. Maximum wind velocity error variation with different bandwidth broadening at 30 km