The invention provides an angular velocity filter method under dual-frequency elastic interference, relates to an angular velocity filter method, in particular to an angular velocity extended kalman filter method and aims to solve the problems that an existing transfer function form filter is required to be designed again when faced with elastic interference of different frequencies, and phase delay is generated when elastic interference and measurement noise are filtered and removed, so that the angular velocity signal estimation value is inaccurate. The method includes the steps that firstly modeling is conducted according to the angular velocity signal dynamic process under the elastic interference, and a state equation of angular velocity and interference signals is established; then, a state transition matrix is designed according to the state equation, meanwhile EKF is adopted for designing a Kalman filter equation, and the angular velocity containing the dual-frequency elastic interference is subjected to filter treatment through the designed Kalman filter equation. The angular velocity filter method is applicable to the field of angular velocity filter.

Angular velocity filter method under dual-frequency elastic interference

Method of measuring angular velocity of object

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Method of measuring angular velocity of object