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文件名称:Power Spectra Estimation
文件大小:397KB
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更新时间:2014-04-11 07:33:12
Power Spectra Estimation
1.0 INTRODUCTION
Perhaps one of the more important application areas of digital
signal processing (DSP) is the power spectral estimation
of periodic and random signals. Speech recognition problems
use spectrum analysis as a preliminary measurement
to perform speech bandwidth reduction and further acoustic
processing. Sonar systems use sophisticated spectrum
analysis to locate submarines and surface vessels. Spectral
measurements in radar are used to obtain target location
and velocity information. The vast variety of measurements
spectrum analysis encompasses is perhaps limitless and it
will thus be the intent of this article to provide a brief and
fundamental introduction to the concepts of power spectral
estimation.
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