Journal of Electrical and Computer Engineering / 2013 / Article / Tab 3

Research Article

Multimode/Multifrequency Low Frequency Airborne Radar Design

Table 3

Nominal performances.

SounderSAR-LowSAR-High

Across track resolution 10–100 mN/AN/A
Range resolution (free space)15 m 3.75 m (stepped)1.87 m (stepped)
Along track resolution7–75 m @ 800 m4.8 m @ 4 looks2.5 m @ 2 looks
27–280 m @ 3000 m.
Penetration depth100 m (moderate attenuation)Foliage penetrationNo penetration
Maximum swath (geometrical)2000 m @ 800 m7400 m @ 1000 m1500 m @ 1000 m
7000 m @ 3000 m
NESZ−95 dB @ 800 m−80 dB−70 dB
−70 dB @ 3000 m−64 dB−54 dB
AASRN/ANo appreciable
at chosen PRF
No appreciable at chosen PRF
RASRN/A−55 dB−62 dB

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