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      Observability Analysis of Sensor Bias Based on the Track-independent Model

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          Abstract

          In this paper, an observability analysis of sensor bias based on the track-independent estimation model is presented. Observability analysis is a prerequisite for developing a systematic error estimation model. Therefore, an observability matrix is adopted to study the observability and observability degree of sensor bias. Initially, based on the track-independent model, both state transformation and measurement models of sensor bias are built in two dimensions to construct the observability matrix. Then, the observability of the sensor bias is studied by judging the singularity of the observability matrix. Further, the mathematical expression for the degree of observability is presented. Finally, several typical simulations to demonstrate the effect of degree of observability on the estimation accuracy of sensor bias and the effects of sensor location and target motion on the observability and observability degree of sensor bias are provided

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          Author and article information

          Journal
          Journal of Radars
          Chinese Academy of Sciences
          01 December 2013
          : 2
          : 4
          : 454-460
          Affiliations
          [1 ] Institute of Electronics and Information Engineering Naval Aeronautical and Astronautical University
          Article
          a6af7970e7a24ba6a69229d7c833da26
          10.3724/SP.J.1300.2013.13068

          This work is licensed under a Creative Commons Attribution 4.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

          Categories
          Technology (General)
          T1-995

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