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A Method for Narrowband HP FIR Filter Design Using Fewer Multiplications
Abstract
This paper presents a new efficient method for the design of narrowband highpass filters (HP) with fewer multiplications. The method is based on an Interpolated filter (IFIR) structure and the sharpened comb filter (SCF). The novelty of the technique is based on the usage of the SCF filter as an image suppressor in the IFIR structure. The method is useful for narrowband HP filter design.
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