periodogram

periodogram
A graph used in the harmonic analysis of spectra, time series etc.

Wikipedia foundation.

Игры ⚽ Нужно решить контрольную?

Look at other dictionaries:

  • Periodogram — The periodogram is an estimate of the spectral density of a signal. The term was coined by Arthur Schuster in 1898Schuster, A., On the investigation of hidden periodicities with application to a supposed 26 day period of meteorological phenomena …   Wikipedia

  • periodogram — pe·ri·od·ogram …   English syllables

  • periodogram — ˌpirēˈädəˌgram, ˈpirēədə noun Etymology: International Scientific Vocabulary period (I) + o + gram : a curve exhibiting graphically the periodicity of any natural or physical phenomenon …   Useful english dictionary

  • Bayesian Kepler periodogram — is an automatic instrument installed in Markov chain Monte Carlo observatory in British Columbia, Canada. It is designed to find more planets in single or multiple planetary systems. P.C. Gregory operates this instrument to find evidence for any… …   Wikipedia

  • Least-squares spectral analysis — (LSSA) is a method of estimating a frequency spectrum, based on a least squares fit of sinusoids to data samples, similar to Fourier analysis. [cite book | title = Variable Stars As Essential Astrophysical Tools | author = Cafer Ibanoglu |… …   Wikipedia

  • Welch's method — In physics, engineering, and applied mathematics, Welch s method, named after P.D. Welch, is used for estimating the power of a signal vs. frequency, reducing noise compared to the methods it is based upon. Welch s method is based on the concept… …   Wikipedia

  • Bartlett's method — In physics, engineering, and applied mathematics, Bartlett s method, named after M.S. Bartlett, is used for estimating power spectra. Bartlett s method provides a way to reduce the variance of the periodogram in exchange for a reduction of… …   Wikipedia

  • Doppler spectroscopy — Diagram showing how a smaller object (such as an extrasolar planet) orbiting a larger object (such as a star) could produce changes in position and velocity of the latter as they orbit their common center of mass (red cross). Doppler spectroscopy …   Wikipedia

  • HD 11964 d — Planetbox begin name = HD 11964dPlanetbox star star = HD 11964 constell = Cetus ra = RA|1|57|09.6064 dec = DEC| 10|14|32.739 dist ly = 110.83 dist pc = 33.98 class = G5IVPlanetbox orbit semimajor = 1.13±0.04 eccentricity = 0.63+0.34 0.17 period …   Wikipedia

  • HD 208487 c — Planetbox begin name = HD 208487 c Planetbox star star = HD 208487 constell = Grus RA=RA|21|57|19.8477 DEC=DEC| 37|45|49.037 dist ly=144.4 dist pc=44.30 class=G2V: Planetbox orbit semimajor = 1.87±|0.13|0.14cite journal |… …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”