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Signals and Spectra 1
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Algorithm amplitude response analog filter bandpass bandstop base class Bessel filters bilinear transformation Butterworth filters Chap Chebyshev filters Class lmplementation compute constructor continuous-time corresponding cout cutoff frequency DebugFile defined denominator denoted digital filter direct form discrete-time double double_complex DTFT elliptical filter endl Equation evaluated extremal frequencies factor filter coefficients Filter Design filter of Example finite FIR filter Fourier series Fourier transform freq frequency response frequency X Figure given H_Sub_Zero ideal Imp_Resp_Coeff[n implementation impulse response include math.h input integral Laplace transform listed in Table low-pass filter Mag_Resp[n magnitude response method multiply nodes noise normalized Num_Resp_Pts num_taps obtained output pair passband phase response poles polynomial provided in Listing quantized random variable Response_File result sequence shown in Fig spectrum step response stopband symmetry top_node transfer function transition band triangular window unquantized uout values void window coefficients zero