H - Electricity – 03 – H
Patent
H - Electricity
03
H
H03H 17/02 (2006.01)
Patent
CA 2079333
2079333 9215151 PCTABS00015 A filter is produced having a real and an imaginary part, such that for positive frequencies the frequency characteristic F of the filter is F = A + jS. The real part A is a skew-symmetric filter and S is a real symmetric filter symmetric about the cut point. S is related to A by S = $m(r)[A(1-A)]. Once A has been chosen the filter can be derived. A method of forming the filter involves deriving symmetrical and antisymmetrical windows from the filters frequency characteristic A and S and combining the windows to form an asymmetric window.
British Broadcasting Corporation
Drewery John O.
Ridout & Maybee Llp
LandOfFree
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