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← ScienceWhich risk notably increases when using synthetic aperture radar (SAR) with limited temporal coherence?
A)Increased geometric image distortion✓
B)Reduced atmospheric dispersion effects
C)Enhanced vegetation penetration depth
D)Improved target shadow identification
💡 Explanation
SAR relies on phase differences to construct images; when Temporal Decorrelation (the loss of phase coherence) occurs quickly because of environmental changes, significant geometric distortions appear. The image is blurred therefore, rather than being sharp, because slight differences accumulate under poor conditions.
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