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H-infinity sub-optimal causal FIR inverse filter via LMI 1.0

  Date Added: July 02, 2013  |  Visits: 385

H-infinity sub-optimal causal FIR inverse filter via LMI

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[psi gopt] = dfdesign_w_lmi(phi, w, d, n);DFDESIGN_W_LMI computes the H-infinity optimal inverse FIR filter of phi(z).The resulting filter minimizes the H-infinity norm of the error system E_w(z) = [z^(-d) - psi(z)phi(z)]w(z).The LMI method based on KYP lemma is used in this function.[INPUT]phi: target system (discrete-time), SS or TF formatw: weighting function, SS or TF formatd: delay, non negative numbern: length of the FIR filter, positive integer[OUTPUT]psi: resulting inverse FIR filtergopt: optimal valueThis is based on the following paper:M. Nagahara and Y. Yamamoto,H-infinity optimal approxmation for causal spline interpolation,Signal Processing, Vol. 91, No. 2, pp. 176-184, 2011.

Requirements: No special requirements
Platforms: Matlab
Keyword: Approxmation Causal Delay Filtergopt Formatd Function Integeroutputpsi Interpolationsignal Length Nagahara Negative Numbern Paperm Positive Processing Spline Valuethis Yamamotohinfinity
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License: Freeware Size: 10 KB
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H-INFINITY SUB-OPTIMAL CAUSAL FIR INVERSE FILTER VIA LMI RELATED
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