STUDY ON PROPERTIES OF NOISE ANALYSIS WITH ALLAN VARIANCE
School of Geodesy and Geomatics,Wuhan University,Wuhan 430079
Abstract Aimming at white noise,flicker noise,random walk and 1storder GaussMarkov process,the effect of inherent properties of the random sequence,including data length,sample rate,discontinuity of data and gross error,on the result of Allan Variance was analyzed in detail.The experimental results suggest that each property of random sequence affects the result of Allan variance in different degree.The author suggests a method for analyzing INS data.
Key words :
Allan variance
surveying data
inherent properties
noise characteristics
analysis performance
Received: 10 December 2013
Published: 09 December 2014
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