Title :
The modified Allan variance and its measurement
Author :
Li Rongcheng ; Zhang Aimin ; Jin Ziyuan
Author_Institution :
Nat. Inst. of Metrol., Beijing, China
Abstract :
The modified Allan variance is defined, and its function is described on the basis of detailed mathematical derivation and demonstration. Analytical formulae are given for the modified Allan variance corresponding to commonly used models, making it possible to easily distinguish between white phase noise and flicker phase noise. The experimental setup and the main measuring program are described.<>
Keywords :
frequency measurement; white noise; flicker phase noise; frequency measurement; mathematical derivation; models; modified Allan variance; random noise; white phase noise; 1f noise; Analysis of variance; Density measurement; Digital filters; Equations; Fluctuations; Fourier transforms; Frequency measurement; Nonlinear filters; Transfer functions;
Conference_Titel :
Precision Electromagnetic Measurements, 1990. CPEM '90 Digest., Conference on
Conference_Location :
Ottawa, Ontario, Canada
DOI :
10.1109/CPEM.1990.110091
