A method for attitude estimation of high-spin projectile based on geomagnetic information
A projectile attitude and geomagnetic technology, which is applied in the field of attitude measurement of rotating objects, can solve the problems of insufficient stability of information transmission, inability to accurately measure the attitude of objects, and difficulty in real-time measurement of satellite information, etc.
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[0100] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0101] The schematic diagram of the structure composition of the high-spin projectile attitude estimation method based on geomagnetic information in the present invention is as follows figure 1 , figure 2 A schematic flow chart of the method for estimating the attitude of a high-spin projectile based on geomagnetic information in the present invention is given. The analog signal data is collected by a three-axis geomagnetic sensor 1, and then the obtained analog signal is converted into a digital signal by an A / D conversion chip 2, and then the The digital signal is passed through the FPGA chip 3, the interference is eliminated by the non-destructive Kalman filter set therein, the data obtained by eliminating the interference is stored in the black box 4, and finally the projectile is estimated by three orthogonal ratio methods based on the ...
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