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Performance Estimation for Lowpass Ternary Filters


Ternary filters have tap values limited to,, or. This restriction in tap values greatly simplifies the multipliers required by the filter, making ternary filters very well suited to hardware implementations. Because they incorporate coarse quantisation, their performance is typically limited by tap quantisation error. This paper derives formulae for estimating the achievable performance of lowpass ternary filters, thereby allowing the number of computationally intensive design iterations to be reduced. Motivated by practical communications systems requirements, the performance measure which is used is the worst-case stopband attenuation.

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Correspondence to Brenton Steele.

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Steele, B., O'Shea, P. Performance Estimation for Lowpass Ternary Filters. EURASIP J. Adv. Signal Process. 2003, 494365 (2003).

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