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← TechnologyWhich risk increases when a phased array antenna's elements suffer from phase imbalance?
A)Increased beam side-lobe levels✓
B)Reduced impedance bandwidth matching
C)Higher amplifier non-linear distortion
D)Decreased thermal noise figure contributions
💡 Explanation
Increased beam side-lobe levels occur because the constructive and destructive interference patterns are disrupted by the phase offset, due to *beamforming*. Therefore, signal focuses outside the intended direction, rather than producing a narrowed main lobe.
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