Given, again, the ideal system as shown: (1) prefilter x(1) УиТ) H(f) sampler analog reconstructor You know that H(f) has a cutoff frequency of f=6KHZ, but know nothing more about the filter or system. You measure: xdt) = cos(2000m) + cos(24000zt) Ya(t) = cos(2000t) + 0.5*cos(6000t) %3D Hz What is the sampling rate f,? What is the approximate order of HPRE)?
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