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← TechnologyWhich outcome occurs when a microwave communication antenna experiences sustained precipitation?
A)Reduced signal strength (rain fade)✓
B)Increased signal bandwidth (Doppler shift)
C)Amplified signal gain (water lensing)
D)Phase shift mitigation (polarization mixing)
💡 Explanation
Reduced signal strength (rain fade) happens because atmospheric attenuation due to raindrops absorbs and scatters microwave radiation through the Mie scattering mechanism. Therefore, the signal weakens, rather than amplifying; other shifts are minimal because bulk precipation doesn't have highly structured velocities.
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