Since much of the computer time spent in time-series analysis is used for multiplications, a minimum multiplication method was devised for digital filtering, with the expectation that it would be useful in the online, real-time analysis of biological data. The filters are constructed from a succession of readily analyzable components in a manner that facilitates cascading. The repertoire of frequency response curves includes relatively good low-pass and band-pass designs. Programs are available for implementing both the synthesis of these filters, and their application on computers whose assemblers allow the definition of recursive macros.
A rapid method for digital filtering
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