Research and Application of Kalman Filter in Loran-C System(WSANE2006)

概要

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This paper is focused on the processing of time difference (TD) signal with Kalman filter, analyzes the factors which affect the position precision of receiver and the relationship between carrier moving state and the variance of time difference signal. According to the character of the variance of time difference signal, an algorithm of three dimension Kalman filter is given and the performance of Kalman filter is discussed too. Through large amounts of simulation results, this algorithm shows its good performance. To solve the problem of "Jumping Cycle", the modified two-order open loop Kalman filter algorithm is proposed, and the validity of the algorithm is proved through analyzing the experiment data.
一般社団法人電子情報通信学会の論文
2006-04-03