Cospectrum | Article about cospectrum by The Free Dictionary
The spectral decomposition of the in-phase components of the covariance of two functions of time.
The real part of the cross spectrum of two functions.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive
between 850--and 150-hPazonal winds ([m.sup.2] [s.sup.-2]) during 1958-70 (top curves) and coherencesquared statistic for 850--and 150-hPa zonal winds (bottom curves) at stations (a) 43371, (b) 48900, and (c) 91701.
This method decomposes the flux into different time scales, and an MRD cospectrum
can be obtained.
As complex analyses were involved, this resulted in the production of the cospectrum
("r" for real) and quad-spectrum for imaginary).
He finds that the price-output cospectrum
is negative at all frequencies in response to a productivity shock if there is a constant growth money rule.