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← ScienceWhich artifact degrades signal reconstruction in long-baseline interferometry?
A)Atmospheric spatial coherence reduction✓
B)Receiver noise amplification reduction
C)Antenna physical vibration reduction
D)Quantum entanglement photon decoherence
💡 Explanation
Atmospheric turbulence decreases spatial coherence of light arriving at each antenna; therefore interference fringes blur and weaken, reducing information because random phase variations introduced impair precise signal correlation, rather than signal amplification or vibration artifacts.
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