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← TechnologyWhich risk increases when a high-frequency signal exceeds the Nyquist rate during data acquisition?
A)Increased quantization error
B)Signal aliasing distortion✓
C)Reduced bit depth fidelity
D)Elevated thermal noise floor
💡 Explanation
Signal aliasing occurs, because exceeding the Nyquist rate causes high-frequency components to be misinterpreted as lower frequencies due to undersampling during analog-to-digital conversion, therefore correct reconstruction fails, rather than just incurring quantization error.
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