Fig. 1. Weighting functions

Fig. 2. The structure diagram of the noise source and coupler of AMCS

Fig. 3. The brightness temperature of noise source measured in laboratory

Fig. 4. Background error covariance matrix

Fig. 5. Partial power results at 12 o'clock on 21 September

Fig. 6. Partial brightness temperature results after calibration at 12 o'clock on September 21

Fig. 7. Comparison of observed and simulated brightness temperature results

Fig. 8. The retrieval results at 11 o'clock on September 17， 2022

Fig. 9. The retrieval results at 14 o'clock on September 17， 2022

Fig. 10. The retrieval results at 16 o'clock on September 17， 2022

Fig. 11. The retrieval results at 12 o'clock on September 21， 2022

Fig. 12. The retrieval results at 13 o'clock on September 21， 2022