Schuster spectrum
E1018068
The Schuster spectrum is a method in time-series analysis that uses harmonic analysis to detect and characterize periodicities in observational data, particularly in geophysics and astronomy.
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
spectral analysis technique
ⓘ
statistical method ⓘ time series analysis method ⓘ |
| analyzes |
observational data
ⓘ
time series ⓘ |
| appliesTo |
astronomical time series
ⓘ
geophysical time series ⓘ unevenly sampled time series ⓘ |
| assumes | sinusoidal components in the data ⓘ |
| basedOn |
Fourier analysis
NERFINISHED
ⓘ
periodogram concept ⓘ |
| canEstimate |
frequency of a signal
ⓘ
period of a signal ⓘ power of a signal component ⓘ |
| category |
signal processing
ⓘ
spectral estimation method ⓘ statistical signal analysis ⓘ |
| characterizes |
amplitude of periodic components
ⓘ
significance of periodic components ⓘ |
| detects |
dominant frequencies
ⓘ
harmonic components ⓘ periodic signals ⓘ |
| domain | frequency domain ⓘ |
| field |
astronomy
ⓘ
astrophysics ⓘ geophysics ⓘ space physics ⓘ time series analysis ⓘ |
| input |
scalar time series
ⓘ
time-stamped measurements ⓘ |
| namedAfter | Arthur Schuster NERFINISHED ⓘ |
| output |
power as a function of frequency
ⓘ
spectral peaks at periodicities ⓘ |
| purpose |
characterize periodicities in observational data
ⓘ
detect periodicities in observational data ⓘ |
| relatedTo |
Lomb–Scargle periodogram
NERFINISHED
ⓘ
Schuster test for periodicity ⓘ periodogram ⓘ |
| usedFor |
analysis of irregularly spaced observations
ⓘ
searching for periodicities in astronomical records ⓘ searching for periodicities in geophysical records ⓘ |
| usedIn |
analysis of geomagnetic variations
ⓘ
analysis of solar activity time series ⓘ analysis of stellar variability ⓘ analysis of tidal records ⓘ |
| uses | harmonic analysis ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.