Marginalized cubature Kalman filter (CKF)-based gravity aided navigation method
A technology for assisting navigation and gravity, applied in navigation, mapping and navigation, navigation calculation tools, etc., can solve the problems of high complexity and poor real-time performance of gravity-assisted navigation
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[0050] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0051] The application principle of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0052] Such as figure 1 As shown, the method for assisted navigation based on marginalized CKF gravity in the embodiment of the present invention includes the following steps:
[0053] S101: Obtain the position information (longitude and latitude) output by the inertial navigation system and the gravity anomaly value measured by the gravimeter in real time, and ensure that the position information indicated by the inertial navigation system and the gravity anoma...
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