Hardcover | Out of Print | 176 pp. | 5.5 x 8 in | August 1949 | ISBN: 9780262230025
Paperback | $25.00 X | £19.95 | 176 pp. | 5.5 x 8 in | March 1964 | ISBN: 9780262730051 eBook |$17.95 X | March 1964 | ISBN: 9780262312158
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## Extrapolation, Interpolation, and Smoothing of Stationary Time Series

With Engineering Applications

## Overview

It has been the opinion of many that Wiener will be remembered for his Extrapolation long after Cybernetics is forgotten. Indeed few computer-science students would know today what cybernetics is all about, while every communication student knows what Wiener's filter is. The work was circulated as a classified memorandum in 1942, as it was connected with sensitive war-time efforts to improve radar communication. This book became the basis for modern communication theory, by a scientist considered one of the founders of the field of artifical intelligence. Combining ideas from statistics and time-series analysis, Wiener used Gauss's method of shaping the characteristic of a detector to allow for the maximal recognition of signals in the presence of noise. This method came to be known as the "Wiener filter."