INVERSION OF SYNTHETIC APERTUR,E R,ADAR (SAR) - MSpace ...

Table 2.3: SIR-C instrument chalactelistics (Jorclan et al. [54]).
Pararneter L-öand U-lJarìct
0r'l¡ital Altitude
Antenna Size
Peak Porvel
Wavelength
Polarization
Pulse Width
Pulse Banchviclth
Ðlevation Beamwiclth
Azimuth Bearnwiclth
PRF
Resolution
^--uand
225 km
12.0 x 2.9 m 12.0 x 0.7 m 12.0 x 0.4 rn
3.2 kW 1.7 kW 1.4 kW
0.235 m 0.058 rn 0,031 rn
HH,HV,VV,VH HH,HV,VV,VH VV
33,17,8.5 ps 33,17,8.5 ¡r.s 40 ps
10 arcl 20 MHz
4.9 - 16' 4.9 - 1.6' 5.5"
1.00 0.25. 0.14.
1395 to 1736 Hz
30 x 30 m on the surface
were rnacle possible by nelv elgineeling techniques such as the electronic
bearn steerilg techlique. The electronic bearn steeliug technique helps to
miuilnize rnechanical altenna antl shuttle rotations. The SIR-C instrurnent
palanetels are given in Table 2.3.
Irr sholt, SIR-C rvill be inpoltant for being an innovative instlument in
the following three areas (Jordan et al. l54l):
1) to provicle tlie first sitrultaneous lnultifi'equency radal irnages fLom an
ealth-orbiting spacecraft,
2) to provide the first simultaleous quad-polarization irnages from a spacebo.,.'ne
high-resolution raclar', and
3) to plovicle the first rnultiseason coveÌage of a multipatatnetel imaging
ladar'.
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