Using high-order signal variance moments to evaluate noise characteristics of measuring channels

Abstract

The article examines the applicability of high-order (the third and fourth) signal variance moments for determining the characteristic properties of various standard measurement noise, sinusoidal noise and Markovian-type noise with all sorts of constraints on the noise level. The discrete model of measurement noise developed by Scientific and Production Association of Automation named after the academician N.A. Semikhatov is used as a research tool. On the basis of the high-order signal variance moments, the estimates of the asymmetry and kurtosis coefficients were obtained. The characteristic form of the indicated coefficients for some varieties of the considered noise makes it possible to use them for qualitative analysis of the noise of the measuring channels of the sensitive elements of the strapdown inertial navigation systems.