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PDM2 analysis for the double mode Cepheid variable TU Cas, primary period
Raw data set for the analysis shown above. The large gaps are often found in ground-based observations.
Phase dispersion minimization (PDM) is a data analysis technique that searches for periodic components of a time series data set. It is useful for data sets with gaps, non-sinusoidal variations, poor time coverage or other problems that would make Fourier techniques unusable. It was first developed by Stellingwerf in 1978 [1] and has been widely used for astronomical and other types of periodic data analyses. Source code is available for PDM analysis. The current version of this application is available for download.[2]
Phasedispersionminimization (PDM) is a data analysis technique that searches for periodic components of a time series data set. It is useful for data...
hardware tool enabling secure storage and easy access to user data Phasedispersionminimization, a data analysis technique for finding periodic components in...
redirects to Resampling (statistics) Pharmaceutical statistics PhasedispersionminimizationPhase-type distribution Phi coefficient Phillips–Perron test Philosophy...
Qiu, H. B. (2012). "Periodic radio variability in NRAO 530: Phasedispersionminimization analysis". Research in Astronomy and Astrophysics. 12 (6): 643...
and stochastic-periodic time series is achieved by means of phasedispersionminimization (PDM) test, which is a method for identifying periodicity. Trending...
constant (no dispersion) or it may change (dispersion) while propagating. Ideas related to wave packets – modulation, carrier waves, phase velocity, and...
failure of a lens to focus all colors to the same point. It is caused by dispersion: the refractive index of the lens elements varies with the wavelength...
isolated from the aqueous dispersion after polymerization. In other cases the dispersion itself is the end product. A dispersion resulting from emulsion...
material. Dispersion occurs when different frequencies of light have different phase velocities, due either to material properties (material dispersion) or...
inversion, phase velocities are used more often than group velocities because it is easier to create a dispersion curve of phase velocities. A dispersion curve...
surface energies. The chief purpose of pigment dispersion is to break down aggregates and form stable dispersions of optimally sized pigment particles. This...
expansion with a uniform phase as the zero-order term, non-perturbative free-energy functionals have also been developed. The minimization of the grand potential...
compounds work by various mechanisms such as suppression of crystallization, dispersion and crystal distortion. Antiscalants contain molecules that can complex...
jitter can refer to packet delay variation, the variation (statistical dispersion) in the delay of the packets. One of the main differences between random...
metal-ceramic interfaces. The strength of adhesion also determines the extent of dispersion on catalytically active metal. Metal oxide adhesion is important for applications...
occur between molecules close together. These interactions include London dispersion forces, Keesom forces, Debye forces and hydrogen bonds. Individually,...
out of phase with each other at listening positions off-axis in the vertical plane. The taller the stack is, the narrower the vertical dispersion will be...
generally produced by numerical optimization. In the latter case, the phasedispersion of the reflected light can also be controlled (a chirped mirror). In...
technique of dispersion staining. They include brightfield Becke line, oblique, darkfield, phase contrast, and objective stop dispersion staining. In...
wastewater by gravity when density differences are sufficient to overcome dispersion by turbulence. This is typically achieved using a grit channel designed...
always a noticeable difference in the compound muscle action potential's dispersion, and conduction block is commonly experienced. An MRI can show proximal...
prefer during the most fertile phase of their cycles. Women prefer the scent of symmetrical men more during the fertile phases of their menstrual cycle than...
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