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← ScienceWhich outcome results when the pulse width of a LIDAR system's laser is shortened at a fixed pulse energy?
A)Increased peak power and resolution✓
B)Decreased signal strength; wavelength shifts
C)Reduced risk of receiver saturation
D)Extended range of atmospheric penetration
💡 Explanation
Shortening the pulse width increases the peak power because energy is delivered in less time via temporal compression; the resultant increase in intensity improves the LIDAR's range resolution. The range resolution therefore increases, rather than signals weakening or extending range, when pulse width decreases.
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