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← TechnologyWhich risk increases when an antenna array's excitation phases deviate from calibration?
A)Elevated side-lobe power transmission✓
B)Decreased receiver noise threshold
C)Increased impedance bandwidth matching
D)Minimized inter-element signal interference
💡 Explanation
Higher side-lobe power emerges because uncalibrated phases reduce spatial signal constructively through **beamforming degradation**, skewing energy distribution. This outcome happens because unwanted lobes increase, therefore decreased signal to noise happens; rather than cleaner transmission, which requires correctly calibrated phase.
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