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Highlights from
Digital Signal Processing Using MATLAB

• Blackman(M); M-point Blackman window
• Hr_Type1(h); Computes Amplitude response Hr(w) of a Type-1 LP FIR filter
• Hr_Type2(h); Computes Amplitude response of Type-2 LP FIR filter
• Hr_Type3(h); Computes Amplitude response Hr(w) of a Type-3 LP FIR filter
• Hr_Type4(h); Computes Amplitude response of Type-4 LP FIR filter
• [y,H]=conv_tp(h,x) Linear Convolution using Toeplitz Matrix
• afd_butt(Wp,Ws,Rp,As); Analog Lowpass Filter Design: Butterworth
• afd_chb1(Wp,Ws,Rp,As); Analog Lowpass Filter Design: Chebyshev-1
• afd_chb2(Wp,Ws,Rp,As); Analog Lowpass Filter Design: Chebyshev-2
• afd_elip(Wp,Ws,Rp,As); Analog Lowpass Filter Design: Elliptic
• cas2dir(b0,B,A); CASCADE-to-DIRECT form conversion
• casfiltr(b0,B,A,x); CASCADE form realization of IIR and FIR filters
• cheb1hpf(wp,ws,Rp,As) IIR Highpass filter design using Chebyshev-1 prototype
• circevod(x) signal decomposition into circular-even and circular-odd parts
• circonvt(x1,x2,N) N-point circular convolution between x1 and x2: (time-domain)
• cirshftt(x,m,N) Circular shift of m samples wrt size N in sequence x: (time domain)
• conv_m(x,nx,h,nh) Modified convolution routine for signal processing
• cplxcomp(p1,p2)
• db2delta(Rp,As) Conversion from Relative dB specs to Absolute delta specs.
• delta2db(delta1,delta2) Conversion from Absolute delta specs to Relative dB specs
• dfs(xn,N) Computes Discrete Fourier Series Coefficients
• dft(xn,N) Computes Discrete Fourier Transform
• dir2cas(b,a); DIRECT-form to CASCADE-form conversion (cplxpair version)
• dir2fs(h) Direct form to Frequency Sampling form conversion
• dir2ladr(b,a) IIR Direct form to pole-zero Lattice/Ladder form Conversion
• dir2latc(b) FIR Direct form to All-Zero Lattice form Conversion
• dir2par(b,a); DIRECT-form to PARALLEL-form conversion
• evenodd(x,n) Real signal decomposition into even and odd parts
• freqs_m(b,a,wmax); Computation of s-domain frequency response: Modified version
• freqz_m(b,a); Modified version of freqz subroutine
• hsolpsav(x,h,N) High-speed Overlap-Save method of block convolutions using FFT
• ideal_lp(wc,M); Ideal LowPass filter computation
• idfs(Xk,N) Computes Inverse Discrete Fourier Series
• idft(Xk,N) Computes Inverse Discrete Transform
• imp_invr(c,d,T) Impulse Invariance Transformation from Analog to Digital Filter
• impseq(n0,n1,n2)
• ladr2dir(K,C) Lattice/Ladder form to IIR Direct form Conversion
• ladrfilt(K,C,x) LATTICE/LADDER form realization of IIR filters
• latc2dir(K) All-Zero Lattice form to FIR Direct form Conversion
• latcfilt(K,x) LATTICE form realization of FIR filters
• lms(x,d,delta,N) LMS Algorithm for Coefficient Adjustment
• mod(n,N)
• mulaw_c(s,mu) mu-law compressor
• mulaw_e(yq,B,mu) mu-law expander
• ovrlpsav(x,h,N) Overlap-Save method of block convolution
• par2dir(C,B,A); PARALLEL-to-DIRECT form conversion
• parfiltr(C,B,A,x); PARALLEL form realization of IIR filters
• pfe2rfz(R,P,C) Rational function from Partial Fraction Expansions in z-Domain
• quantize(y,B) Quantize signal to B bits
• rf2pfez(b,a); Partial Fraction Expansion from rational function in z-Domain
• sdir2cas(b,a); DIRECT-form to CASCADE-form conversion in s-plane
• sigadd(x1,n1,x2,n2)
• sigfold(x,n)
• sigmult(x1,n1,x2,n2)
• sigshift(x,m,n0)
• stepseq(n0,n1,n2)
• u_buttap(N,Omegac); Unnormalized Butterworth Analog Lowpass Filter Prototype
• u_chb1ap(N,Rp,Omegac); Unnormalized Chebyshev-1 Analog Lowpass Filter Prototype
• u_chb2ap(N,As,Omegac); Unnormalized Chebyshev-2 Analog Lowpass Filter Prototype
• u_elipap(N,Rp,As,Omegac); Unnormalized Elliptic Analog Lowpass Filter Prototype
• zmapping(bZ,aZ,Nz,Dz) Frequency band Transformation from Z-domain to z-domain
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