Design of a fifth-order FIR digital differentiator using modified weighted least-squares technique

Authors:
V. V. Sondur;V. B. Sondur;N. H. Ayachit
Affiliations:
Gogte Institute of Technology, Udyambag, Belgaum 590 008, Karnataka state, India;Gogte Institute of Technology, Udyambag, Belgaum 590 008, Karnataka state, India;B.V.B. College of Engineering and Technology, Hubli 580 031, Karnataka state, India
Venue:
Digital Signal Processing
Year:
2010

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Abstract

A modification to the weighted least-squares algorithm is proposed to minimize the relative error in the response of a digital differentiator (DD) and is applied to the design of fifth-order DD. Simulation results are given to demonstrate the performance of the method for both even and odd length DDs. The design procedure to satisfy prescribed specifications is also discussed.