A pure sinusoid at is sampled at .

PHYSICS · Multi-part · Fermi University Physics · Electronics, Instrumentation & Communication · Digital electronics, embedded systems and data acquisition · Digital electronics, embedded systems and data acquisition

Electronics for Measurement, Ch Sampling, quantisation and the acquisition chain

Problem

A pure sinusoid at 7 kHz7\,\text{kHz} is sampled at fs=20 kHzf_s = 20\,\text{kHz}. ((a)) List, as a set of frequencies on an axis running from 00 to 2fs2f_s, every spectral line that the sampled record contains in that range. ((b)) State the rule used to generate each line from the original 7 kHz7\,\text{kHz} component.

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