Chapter 1. Introduction

1.1. Motivation and Purpose

Over the last forty years there has been a virtual explosion of ideas, approaches, techniques, and applications of digital signal processing (DSP) to commercial products and military systems. The primary journal devoted to digital signal processing, the IEEE Transactions on Acoustics, Speech, and Signal Processing, which was founded in 1974, was originally published bimonthly with each issue consisting of about 100 pages. Today the IEEE Transactions on Signal Processing, which is devoted solely to signal processing, is published monthly with a content of about 500 pages, reflecting a tenfold increase in papers. This does not even account for the other more specialized journals that have been ...

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