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An approach to estimating the gravity vector disturbance based on repeated airborne observationsстатья
- Автор: Akimov I.A.
- Сборник: Proceedings of the Chinese-Russian "Navigation and Motion Control" Youth Forum 2024
- Год издания: 2024
- Место издания: Concern CSRI Elektropribor, JSC, St. Petersburg, Russia
- Первая страница: 52
- Последняя страница: 54
- Аннотация: An approach to estimating components of the disturbing potential from airborne observations at repeated lines is presented. The use of a strapdown airborne gravimeter is assumed. The proposed approach is based on the error equations of gravimeter’s inertial measurement unit and observation equations based on GNSS. A model of the disturbing potential components is constructed using the cubic splines parameterized by the distance along the flight path. The unknown coefficients at the splines are included in the system’s state vector and estimated by the Kalman filter. Numerical results from simulated data processing were obtained.
- Добавил в систему: Акимов Иван Андреевич