Description

Medium Resolution Spectral Imager-Rainfall Mission (MERSI-RM) has simplified channels from MERSI-II, which performs accurate cloud and precipitation observations in cooperation with the active radar and other microwave instruments.

Characteristics

Satellite	FY-3G
Number of Channels	8
Spatial Resolution	500m

Characteristics

No.	Center wavelength(μm)	Bandwidth(nm)	Spatial resolution (m)	Minimum/expected sesitivity (SNR or NEΔT)	Minimum/expected accuracy (% or T)	Main purpose
1	0.650	50	500	150	5% / 3%	Vegetation, True color (red)
2	0.865	50	500	150	5% / 3%	Vegetation, Land/Cloud margin
3	0.940	50	500	300	5% / 3%	Water vapor
4	1.38	30	500	150	5% / 3%	Cirrus
5	1.64	50	500	400	5% / 3%	Snow and ice
6	3.8	180	500	0.25K	0.4K / 0.2K	LST, SST, Cloud properties
7	10.8	1000	500	0.10K	0.4K / 0.2K	LST, SST, Cloud properties
8	12.0	1000	500	0.10K	0.4K / 0.2K	LST, SST, Cloud properties