Filters

Designing, analysing and implementing digital filters, from fixed designs to adaptive ones.

Butterworth’s maximally flat filter (1930)

Butterworth's maximally flat filter (1930)

Hurewicz’s z-transform (1947)

Hurewicz's z-transform (1947)

Wiener’s optimal filter (1949)

Wiener's optimal filter (1949)

Widrow and Hoff’s LMS adaptive filter (1960)

Widrow and Hoff's LMS adaptive filter (1960)

Kaiser’s window method for FIR design (1966)

Kaiser's window method for FIR design (1966)

Jackson’s cascaded second-order sections (1970)

Jackson's cascaded second-order sections (1970)

Chebyshev’s equiripple approximation (1854)

Chebyshev's equiripple approximation (1854)

Cauer’s elliptic filter (1931)

Cauer's elliptic filter (1931)

Golden and Kaiser’s bilinear design with prewarping (1964)

Golden and Kaiser's bilinear design with prewarping (1964)

Parks and McClellan’s equiripple FIR filter (1972)

Parks and McClellan's equiripple FIR filter (1972)