Description: Routine : To obtain amplitude response from h (exp (jw)). input parameters : h : n dimensioned complex array. the frequency res Islam is stored in h (0) to h (n-1). n : the dimension of h and amp. fs : sampling frequency (Hz). iamp : If iamp = 0 : The Amplitude Res. amp (k) = abs (h (k)) If iamp = 1 : The Amplitude Res. amp (k) = 20 .* alog10 (abs ( h (k))). output parameters : amp : n dimensioned real array. the amplitude-freq uency response is stored in amp (0) to amp (n-1). Note : this program will generate a data file "filenam e.dat. " in chapter 2
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