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← ScienceWhich outcome results when coherence drops in LIDAR wind measurement?
A)Increased range measurement uncertainty✓
B)Improved atmospheric turbulence mapping
C)Enhanced signal penetration through fog
D)Reduced receiver processing requirements
💡 Explanation
Increasing atmospheric turbulence affects spatial coherence, causing phase fluctuations. The LIDAR accuracy degrades due to deconstructive interference because Doppler shift detection is less precise; therefore range uncertainty increases, rather than better turbulence mapping, since the beam loses collimation and spatial resolution.
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