Full text: Remote sensing for resources development and environmental management (Volume 3)

Fig. 1: MOMS-01 modular concept 
Fig. 2: M0MS-01 dual optics principle 
MOM« - 01 COMFIOUftATION 
Fig. 3: MOMS-01 flight configuration 
Fig. 4: MOMS data takes and testsites for the data 
comparison 
between MOMS and 1M technical specifications. 
Due to problems with the HDT - CCT conversion and 
radiometric correction procedure MOMS data for the 
analyses carried out at NASA and presented in this 
paper have been performed on the. basis of raw data 
TM 1 2 3 4 5 7 
\ 
\ 
s 
\ 
\ 
Ì 
* 
! 
\ 
\ 
\ 
\ 
\ 
\ 
\ 
N 
s 
-- 
-- 
Dry bare soil (Gray-brown) 
. 
1 
i 
"11 1 1 
h--\| 
\ \ 
N \ 
O 
Water (Clea 
~ V ' ' 
\ 
,— 
r| 
0 
n 
k N 
r ’ i T * 1 1 1 1— l ~n 
0.4 0.6 0.8 1.0 1.2 1.4 1.6 18 2 0 2 2 2 4 2 6 
Wavelength ||im) 
Wévelength (nm) 
-Fig. 5 : Comparison of MOMS-01 and Thematic 
Mapper spectral bands and TM bands 
in relation to the average 
reflectance curves of dry bare soil, 
vegetation and clear water. 
Table 1: MOMS-01 and Thematic Mapper 
comparison. 
system 
MOMS 
TM 
SENSOR 
"PUSH-BROOM" CHARGED SCANNING MIRROR WITH 
COUPLED DEVICE DETECTOR ARRAYS 
IFOV 
67.5 urad 
42.5 fir ad 
GROUND PIXEL 
20 m 
30 m 
SIZE 
1300 km ORBIT) 
(705 km ORBIT) 
GROUND PIXELS 
PER LINE 
6912 IFOV 
6320 IFOV 
SWATH LENGTH 
1 38 km 
185 km 
RADIOMETRIC 
RESOLUTION 
128 (7-BIT) 
256 (8-BIT) 
SPECTRAL BANDS 
2 
7 
COMPARABLE 
BAND WIDTHS 
600 ± 25 nm 
900 ± 75 nm 
560 ± 40 nm 
660 ± 30 nm 
830 t 70 nm 
IFOV DWELL TIME 
2.81 msec (STS-7) 
2.71 msec (STS-11) 
9.611 /¿sec 
Only for the most 
recent evaluations 
of the AGF- 
Working Group published here, operational radio- 
metrically corrected data sets were available. 
The Thematic Mapper data used for the comparison 
were radiometrically and geometrically corrected 
and resampled using cubic convolution interpolation 
to a 28,5 meter grid during the ground processing 
as part of theTM Image Processing System (TIPS) at 
Goddard Space Flight Center. 
The comparative analyses of digital data at 
NASA/GSFC war carried out the following way: 
- rotate MOMS dara 90 degrees counterclockwise, as 
both system's orbit inclinations are nearly 
perpendicular; 
- select common ground control points; 
- register TM bands 2, 3 and 4 to MOMS bands using 
second order polynomia coordinate transforms and 
nearest neighborhood resampling;
	        
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