Title :
A measurement and time series model for inference on accelerometer data using the Wigner-Ville distribution
Author :
Sinha, Rahul ; Chakravarty, Tapas ; Balamuralidhar, P.
Author_Institution :
TCS Innovation Labs., Bangalore, India
Abstract :
To design measurement systems, appropriate data models and measurement models need to be defined, which can be used for instrument calibration. Data and measurement models using the Wigner-Ville distribution are proposed for measurement of events on vehicular accelerometer data, which is a self-similar non-stationary random process. Model variables and parameters are defined which can be chosen to optimize the likelihood of evidence on measured events. Data model based instrument calibration for event measurement will be useful for designing measurement instruments for vehicular systems.
Keywords :
Wigner distribution; acceleration measurement; calibration; measurement systems; time series; Wigner-Ville distribution; instrument calibration; measurement systems; self-similar nonstationary random process; time series model; vehicular accelerometer data; Correlation; Data models; Eigenvalues and eigenfunctions; Entropy; Time measurement; Time series analysis; Time-frequency analysis; Renyi divergence; Renyi entropy; Wigner-Ville distribution; accelerometer data model; self-similar process;
Conference_Titel :
Instrumentation and Measurement Technology Conference (I2MTC), 2015 IEEE International
Conference_Location :
Pisa
DOI :
10.1109/I2MTC.2015.7151429