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Published in:
2019 | OriginalPaper | Chapter
1. Introduction
Author : K. S. Thyagarajan
Published in: Introduction to Digital Signal Processing Using MATLAB with Application to Digital Communications
Publisher: Springer International Publishing
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Abstract
The field of digital signal processing is well matured and has found applications in most commercial as well as household items. It started in the 1960s when computers were used only in the academic institutions. Moreover, these computers were built around vacuum tubes with limited memory and slow processing power. This situation was not conducive to rapid advancements in digital signal processing theory. As the computer technology advanced due to the invention of microprocessors and semiconductor memories, the field of digital signal processing also simultaneously progressed. Today, digital signal processing is used in a myriad of fields such as communications, medicine, forensic, imaging, and music to name a few. It is, therefore, necessary for an aspirant to learn the basics of digital signal processing so as to be able to apply his or her knowledge in this field to career advancement.