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Which consequence results when temporal coherence degrades in interferometric synthetic aperture radar (InSAR)?

A)Increased range measurement precision
B)Reduced correlation in interferogram
C)Enhanced Doppler frequency resolution
D)Improved phase unwrapping accuracy

💡 Explanation

Decreased temporal coherence increases phase noise via decorrelation. This degrades the interferogram because signals no longer constructively interfere during phase comparison, therefore reducing the interferogram correlation rather than achieving higher resolutions that require stable, consistent signals.

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