Filter Approximation
Classical Filter Approximation
Bilinear Transformation
FIR lowpass, highpass, bandpass, bandstop filter design
FIR multiple bandpass FIR filter design
FIR window functions
IIR filter frequency transformation
IIR filter frequency transformation design for multiple bandpass IIR filter design
IIR Butterworth, Chebyshev I, Chebyshev II, and elliptic filter design
IIR filter order estimation
Advanced Filter Approximation
Frequency domain least-squares FIR filter design
Frequency and time domain least-squares filter design
Optimal Chebyshev error FIR filter design (Parks-McClellan algorithm)
Optimal Savitsky-Golay FIR filter design
Multirate Filter Approximation
Decimation filter design
Interpolation filter design
Quadrature mirror filter design
