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updated 2 months ago

SGP4 Orbit Propagator with GUI by Damon DeLuca

Determines visibility times from observer location for specified period. LLA and KML output. (orbit, propagator, sgp4)

ECEFm2LLA(ECEF)

ECI2LLA(ECI)

GeoHorizonEl

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updated 7 years ago

Impulse response invariant discretization of fractional order low-pass filters by YangQuan Chen

Discretize [1/(\tau s +1)]^r with "r" a real number (filter design, filter analysis, fractional calculus)

irid_folpf(tau,r,Ts,norder)

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updated 17 years ago

phshift by Michael Spencer

Designs analog all-pass phase shift networks. (filter design, filter analysis, allpass)

ph(params,freq)

phcost(params,freq,phdesired,pnorm)

phshift.m

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updated 18 years ago

allpass.m by Dean Andersen

Allpass filter (filter design, filter analysis, allpass)

allpass(n,Fst,Fed,mag,Fs)

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