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← ScienceWhich electromagnetic interference results during radar's pulse transmission?
A)Spectral broadening through frequency modulation✓
B)Gain reduction limits target discrimination
C)Wave superposition yielding signal blockage
D)Reduced effective bandwidth impairs tracking
💡 Explanation
Spectral broadening occurs because frequency modulation generates sidebands due to pulse shape, affecting the signal's spectral occupancy. Therefore, spectral broadening results rather than signal blockage or reduced bandwidth due to other environmental factors.
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