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← ScienceWhich problem arises when LiDAR uses incoherent sources?
A)Reduced signal strength at distances✓
B)Increased computational processing bandwidth
C)Poor chromatic aberration adjustment range
D)Laser speckle obscuring target details
💡 Explanation
Reduced signal results because incoherent light diverges more rapidly with distance, diminishing the reflected light detected. Constructive and destructive interference are disrupted. Therefore, SNR decreases rather than requiring alternative data processing paradigms or dealing with imaging artifacts.
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