Envelope constrained filter with linear interpolator

Ba Ngu Vo, Antonio Cantoni, Kok Lay Teo

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)


The envelope constrained (EC) filtering problem is the minimization of the noise gain of the filter while satisfying the constraint that its noiseless response to a specified input lies within a prescribed envelope. Using a hybrid filter consisting of an A/D converter, an FIR filter, and a linear interpolator, the problem is posed as a functional inequality constrained optimization problem. A technique for solving this problem is proposed by approximating it with a conventional unconstrained optimization problem that is then solved by a descent directionbased algorithm.

Original languageEnglish
Pages (from-to)1405-1414
Number of pages10
JournalIEEE Transactions on Signal Processing
Issue number6
Publication statusPublished - 1 Dec 1997
Externally publishedYes


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