The Allan variance (AVAR), also known as two-sample variance, is a measure of frequency stability in clocks, oscillators and amplifiers. It is named after...

The modified Allan variance (MVAR), also known as mod σy2(τ), is a variable bandwidth modified variant of Allan variance, a measurement of frequency stability...

Wayne Allan (born September 25, 1936) is an American atomic clock physicist and author of the Allan variance, also known as the two-sample variance, a measure...

stability of Allan deviation. It is commonly defined from the modified Allan deviation, but other estimators may be used. Time variance (TVAR) also known...

Department of Commerce. "Allan Variance -- Overview by David W. Allan". www.allanstime.com. Retrieved 2021-09-16. "Hadamard Variance". www.wriley.com. Retrieved...

between ticks of the physical clock and ticks of an ideal clock. The Allan variance of the clock frequency is half the mean square of change in average...

the reference ntpd and chrony, using samba for the domain connection. Allan variance – Measure of frequency stability in clocks and oscillators Clock network –...

computer-generated imagery Avar(), symbol for asymptotic variance, in statistics Allan variance, a statistical measure of frequency stability Trade name...

d'Horlogerie de Genève [de] (GPHG) Goldene Unruh [de] 24-hour analog dial Allan variance Allen-Bradley Clock Tower at Rockwell Automation Headquarters Building...

frequency range by filters in the IF (intermediate frequency) amplifier. Allan variance Flicker noise Leeson's equation Maximum time interval error Noise spectral...

and necessary result of modulation in both FM and phase modulation. Allan variance Clock drift Phase noise Automatic frequency control (AFC) Phase-locked...

systems used in nuclear power generating stations. Data acquisition (DAQ) Allan variance Photomultiplier Positron emission tomography Class-D amplifier W. R...

clock manufacturers List of watch manufacturers Winthrop Kellogg Edey Allan variance Clock drift International Earth Rotation and Reference Systems Service...

the course of synchronisation, which optimises the method by itself. Allan variance Berkeley algorithm Clock synchronization Daytime Protocol, older time...

stresses. The short-term stability is measured by four main parameters: Allan variance (the most common one specified in oscillator data sheets), phase noise...

Frequency drift Frequency deviation Jitter Automatic frequency control Allan variance Rudolf Kingslake (2 December 2012). Applied Optics and Optical Engineering...

the minimum-variance mean (for large normal samples), which is to say the variance of the median will be ~50% greater than the variance of the mean....

Algorithmic inference Algorithms for calculating variance All models are wrong All-pairs testing Allan variance Alignments of random points Almost surely Alpha...

gives a chart useful for characterizing the stability of the clock. Allan variance Clock drift Instantaneous phase Jitter Phase noise Plesiochronous digital...

(the time between successive measurements of the atomic system). The Allan variance for an oscillator with White frequency noise is given by σ y 2 ( τ )...

350–1050 nm 60 μrad/pixel Cassini ISS RSE Radio Science Experiment Allan variance of radio oscillators: T = 100 s of 1×10−13 Transponders operating at...

sensors used within the IMU. The sensor quality can be evaluated by Allan Variance technique. A precise IMU uses laser gyroscopes and precise accelerometers...

of transformations); for example, the sample variance is a biased estimator for the population variance. These are all illustrated below. An unbiased...

premiere on 1 September 2022. National Geographic, in partnership with Variance Films, gave the film a limited theatrical release beginning in New York...

Mendelian Inheritance (which was the first to use the statistical term, variance), his classic 1925 work Statistical Methods for Research Workers and his...

estimate (MLE), the square root of the variance. There are several ways to consistently estimate the variance matrix which in finite samples leads to...

Wolverine, Cassandra Nova is referred as an Omega-level mutant by the Time Variance Authority. These characters were once referred as Omega-level mutants or...

Fazlelahi, Forough; Newman, Alexander; Lee, Allan; Obschonka, Martin (2020-09-01). "Addressing common method variance and endogeneity in vocational behavior...

Kirrilee Berger, Jonathan Jackson, Candace Cameron Bure, Lucas Black Breathe Variance Films / Thunder Road Films Stefon Bristol (director); Doug Simon (screenplay);...

Cinematography Sarah Levy Allan Palmer Robin Probyn Edited by Robert DeMaio Music by Steven Thomas Cavit Distributed by Variance Films Release date October 2009 (2009-10)...