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Spectrum Analysis

Known as: Analysis, Spectrum, Spectroscopy 
The study of the amount of light that is taken up, given off, or scattered (reflected) by an object. Spectroscopy breaks down light and measures… 
National Institutes of Health

Papers overview

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Highly Cited
1996
Highly Cited
1996
An introductory, graduate-level look at modern communications in general and radio communications in particular. This seminal… 
Review
1996
Review
1996
Mathematical Notes: Review of Linear Algebra. Eigenvalues and Eigenvectors. Multivariate Statistics. Theory and Methods… 
Highly Cited
1994
Highly Cited
1994
Highly Cited
1994
Highly Cited
1994
BACKGROUND The powers of the low-frequency (LF) and high-frequency (HF) oscillations characterizing heart rate variability (HRV… 
Highly Cited
1994
Highly Cited
1994
Even at rest the RR interval changes continuously around its mean value. Neural mechanisms account for part of this variability… 
Highly Cited
1983
Highly Cited
1983
An analytic model is described for application in ultrasonic tissue characterization. The model is applicable to clinical… 
Highly Cited
1981
Highly Cited
1981
Power spectrum analysis of heart rate fluctuations provides a quantitative noninvasive means of assessing the functioning of the… 
Review
1981
Review
1981
A summary of many of the new techniques developed in the last two decades for spectrum analysis of discrete time series is… 
Highly Cited
1969
Highly Cited
1969
The output of an array of sansors is considered to be a homogeneous random field. In this case there is a spectral representation… 
Highly Cited
1967
Highly Cited
1967
The use of the fast Fourier transform in power spectrum analysis is described. Principal advantages of this method are a…