zpch1
Chebyshev analog filter
Syntax
[poles,gain]=zpch1(n,epsilon,omegac)
Arguments
- n
integer (filter order)
- epsilon
real : ripple in the pass band (
0<epsilon<1
)- omegac
real : cut-off angular frequency in radians per second
- poles
resulting filter poles
- gain
resulting filter gain
Description
Poles of a Type 1 Chebyshev analog filter. The transfer function is given by :
H(s)=gain/poly(poles,'s')
Examples
n = 13; epsilon = 0.2; omegac = 3; [p,gain] = zpch1(n,epsilon,omegac)
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