Multi-position strapping north-seeking system direction effect calibration method
A technology of azimuth effect and calibration method, which is applied in the direction of measuring devices, instruments, rotating gyroscopes, etc., to achieve the effect of improving measurement accuracy and eliminating measurement errors
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[0016] The method of the present invention will be described in further detail below in conjunction with the accompanying drawings.
[0017] With reference to Fig. 1, 2, the calibration method of the azimuth effect of the multi-position strapdown north-seeking system of the present invention, by means of a true north prism, two theodolites and a mechanical indexing turntable is carried out as the auxiliary test tool according to the following steps:
[0018] a. The multi-position strapdown north-finding system 5 to be calibrated fixed on the mechanical indexing turntable 4 and the true north prism 3 and two theodolites 1 and 2 are placed on the same horizontal plane, and the two theodolites The first theodolite 1 of the two theodolites is collimated and aimed at the true north prism 3 so that it is on the normal line of the true north prism, and the second theodolite 2 of the two theodolites is collimated and aimed at the casing of the multi-position strapdown north-seeking sys...
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