A Combined Optical Telescope and Laser Rangefinder Target Localization Method Based on a Single Device

With the gradual increase in the number of air and space targets, so does the demand for observation, localization and management of space targets. Compared with radar equipment, optical telescopes are characterized by simple structure and convenient operation, but as a single device, it cannot provide target positioning information. This paper introduced a joint target localization method based on a single device of optical telescope and laser rangefinder, the main principle of which is to determine the celestial sphere coordinates of space targets by obtaining two rows of orbital roots of space targets and converting them into the first geocentric coordinates in the geocentric coordinate system. Then, based on the positional information of the optical telescope, the second geocentric coordinate of the optical telescope and the second geocentric coordinate of the optical telescope are combined to determine the geocentric coordinates of the space target, the pointing information of the optoelectronic telescope is obtained and corrected by using the geocentric coordinates and the preset pointing error correction model, and the distance of the spatial target relative to the optoelectronic telescope is measured by fusing the laser rangefinder to complete the joint target positioning of the optical telescope and the laser rangefinder.