Performance of geostationary orbit millimeter-wave atmospheric soundings based on end to end simulations

Fig. 7. Comparison of inversion RMSE of atmospheric temperature and humidity profiles by various frequency bands T_A (a)RMSE of temperature profiles by 50 GHz, 118 GHz, 425 GHz, (b) RMSE of temperature profiles by 50 GHz and combination of three frequency bands, (c) RMSE of humidity profiles by 183 GHz, 380 GHz and combination of two frequency bands, (d)RMSE of temperature profiles by 50 GHz GEO-MW and ATMS, and (e) RMSE of humidity profiles by 183 GHz GEO-MW and ATMS

Download full size

View in Article

Fig. 8. Comparison of inversion RMSE of atmospheric temperature and humidity profiles by T_Band T_A of various frequency bands (a)RMSE of temperature profiles by 50 GHz, (b) RMSE of temperature profiles by combination of three frequency bands, (c) RMSE of humidity profiles by 183 GHz, and (d) RMSE of humidity profiles by combination of two frequency bands

Download full size

View in Article

Fig. 9. Reconstructed GEO brightness temperature images of hurricane Sandy by BG resolution enhancement

Download full size

View in Article

Fig. 10. Comparison of RMSE of T_A and T_A_BG

Download full size

View in Article

Fig. 11. Comparison of RMSE of atmospheric temperature and humidity profiles by T_B,_{T_A and T_A__BG of various frequency bands (a) RMSE of temperature profiles by 50 GHz, (b) RMSE of temperature profiles by combination of three frequency bands, (c) RMSE of humidity profiles by 183 GHz, (d) RMSE of humidity profiles by combination of two frequency bands}

Download full size

View in Article

Table 1. Frequency channels for GEO millimeter-wave observation

View table

View in Article

Table 1. Frequency channels for GEO millimeter-wave observation

通道	中心频率/GHz	通道	中心频率/GHz
1	50.3	13	165.5
2	51.76	14	183.31±7.0
3	52.8	15	183.31±4.5
4	53.596	16	183.31±3.0
5	54.40	17	183.31±1.0
6	54.94	18	380.197±18.0
7	55.50	19	380.197±9.0
8	88.2	20	380.197±4.0
9	118.75±0.8	21	380.197±1.5
10	118.75±1.1	22	424.763±4.0
11	118.75±3.0	23	424.763±1.5
12	118.75±5.0	24	424.763±1.0

Table 2. Simulation parameters of GEO real-aperture radiometer

View table

View in Article

Table 2. Simulation parameters of GEO real-aperture radiometer

通道	带宽/MH	噪声系数/dB	分辨率/km	灵敏度/K	通道	带宽/MHz	噪声系数/dB	分辨率/km	灵敏度/K
1	180	5	54	0.33	13	2*2 000	9	34	0.21
2	400	5	53	0.22	14	2*2 000	9	30	0.18
3	400	5	52	0.22	15	2*2 000	9	30	0.18
4	400	5	51	0.22	16	2*1 000	9	30	0.25
5	400	5	50	0.22	17	2*500	9	31	0.36
6	400	5	50	0.22	18	2*2 000	11	14	0.29
7	330	5	49	0.24	19	2*2 000	11	15	0.29
8	2000	7	64	0.16	20	2*900	11	15	0.43
9	2*200	8	47	0.45	21	2*500	11	15	0.57
10	2*200	8	47	0.45	22	2*1 000	11	13	0.40
11	2*2000	8	47	0.20	23	2*600	11	13	0.52
12	2*2000	8	46	0.20	24	2*400	11	13	0.64

Table 3. Layer averaged RMSE of atmospheric temperature and humidity profiles by various frequency bands T_A

View table

View in Article

Table 3. Layer averaged RMSE of atmospheric temperature and humidity profiles by various frequency bands T_A

反演分层	地表∼900 hPa	900∼500 hPa	500∼300 hPa	300 hPa∼顶层
温度 50 GHz，（K）	0.67	0.37	0.40	0.43
温度 118 GHz，（K）	0.73	0.37	0.40	0.45
温度 425 GHz，（K）	0.76	0.37	0.38	0.44
温度 50+118+425 GHz，（K）	0.55	0.26	0.27	0.28
温度—反演 ATMS- 50 GHz，（K）	0.86	0.61	0.57	0.54
温度—标准 ATMS- 50 GHz，（K）	1.20	0.40	0.70	0.70
相对湿度 183 GHz，（%）	5.1	4.2	3.6	2.7
相对湿度 380 GHz，（%）	5.2	4.5	4.0	2.4
相对湿度 183+380 GHz，（%）	4.1	4.1	3.4	2.3
相对湿度—反演 ATMS- 183 GHz，（%）	5.2	7.7	8.9	1.9
相对湿度—标准， ATMS- 183 GHz，（%）	3.0	6.0	4.0	4.0

Table 4. Layer averaged RMSE of atmospheric temperature and humidity profiles by T_Band T_A of various frequency bands

View table

View in Article

Table 4. Layer averaged RMSE of atmospheric temperature and humidity profiles by T_Band T_A of various frequency bands

反演分层		地表∼900 hPa	900∼500 hPa	500∼300 hPa	300 hPa∼顶层
温度 50 GHz，（K）	T_B	0.25	0.15	0.10	0.12
温度 50 GHz，（K）	T_A	0.67	0.37	0.40	0.43
温度 50+118+425 GHz，（K）	T_B	0.17	0.11	0.08	0.07
温度 50+118+425 GHz，（K）	T_A	0.55	0.26	0.27	0.28
相对湿度 183 GHz，（%）	T_B	4.1	2.8	2.2	1.7
相对湿度 183 GHz，（%）	T_A	5.1	4.2	3.6	2.7
相对湿度 183+380 GHz，（%）	T_B	3.7	2.5	1.7	0.9
相对湿度 183+380 GHz，（%）	T_A	4.1	4.1	3.4	2.3

Table 5. Layer averaged RMSE of atmospheric temperature and humidity profiles by T_B,_{T_A and T_A__BG of various frequency bands}

View table

View in Article

Table 5. Layer averaged RMSE of atmospheric temperature and humidity profiles by T_B,_{T_A and T_A__BG of various frequency bands}

反演分层		地表∼900 hPa	900∼500 hPa	500∼300 hPa	300 hPa∼顶层
温度 50 GHz，（K）	T_B	0.25	0.15	0.10	0.12
	T_A	0.67	0.37	0.40	0.43
	T_{A_BG}	0.34	0.16	0.11	0.13
温度 50+118+425 GHz，（K）	T_B	0.17	0.11	0.08	0.07
	T_A	0.55	0.26	0.27	0.28
	T_{A_BG}	0.20	0.12	0.09	0.08
相对湿度 183 GHz，（%）	T_B	4.1	2.8	2.2	1.7
	T_A	5.1	4.2	3.6	2.7
	T_{A_BG}	4.0	2.8	2.3	1.6
相对湿度 183+380 GHz，（%）	T_B	3.7	2.5	1.7	0.9
	T_A	4.1	4.1	3.4	2.3
	T_{A_BG}	3.8	2.6	1.8	0.9

Tools

Get Citation

Copy Citation Text

Ke CHEN, Zhao-Ming ZHENG, Bao-Guo CAI, Da-Wei AN, Zhen-Chao XIE, Ze-Yu YI. Performance of geostationary orbit millimeter-wave atmospheric soundings based on end to end simulations[J]. Journal of Infrared and Millimeter Waves, 2021, 40(2): 230

Download Citation

EndNote(RIS)BibTex Plain Text

Set citation alerts for article

Save article for my favorites

Paper Information

Category: Research Articles

Received: May. 23, 2020

Accepted: --

Published Online: Aug. 31, 2021

The Author Email: Da-Wei AN (andawei@cma.gov.cn)

DOI:10.11972/j.issn.1001-9014.2021.02.014

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Frequency channels for GEO millimeter-wave observation

Table 1. Frequency channels for GEO millimeter-wave observation

Table 2. Simulation parameters of GEO real-aperture radiometer

Table 2. Simulation parameters of GEO real-aperture radiometer

Table 3. Layer averaged RMSE of atmospheric temperature and humidity profiles by various frequency bands TA

Table 3. Layer averaged RMSE of atmospheric temperature and humidity profiles by various frequency bands TA

Table 4. Layer averaged RMSE of atmospheric temperature and humidity profiles by TB and TA of various frequency bands

Table 4. Layer averaged RMSE of atmospheric temperature and humidity profiles by TB and TA of various frequency bands

Table 5. Layer averaged RMSE of atmospheric temperature and humidity profiles by TB,TA and TA_BG of various frequency bands

Table 5. Layer averaged RMSE of atmospheric temperature and humidity profiles by TB,TA and TA_BG of various frequency bands

Table 3. Layer averaged RMSE of atmospheric temperature and humidity profiles by various frequency bands T_A

Table 3. Layer averaged RMSE of atmospheric temperature and humidity profiles by various frequency bands T_A

Table 4. Layer averaged RMSE of atmospheric temperature and humidity profiles by T_Band T_A of various frequency bands

Table 4. Layer averaged RMSE of atmospheric temperature and humidity profiles by T_Band T_A of various frequency bands

Table 5. Layer averaged RMSE of atmospheric temperature and humidity profiles by T_B,_{T_A and T_A__BG of various frequency bands}

Table 5. Layer averaged RMSE of atmospheric temperature and humidity profiles by T_B,_{T_A and T_A__BG of various frequency bands}