Method for obtaining reference azimuth by means of rocket aiming system through aiming scaleplate and reference point

Abstract

The invention discloses a method for obtaining the reference azimuth by means of a rocket aiming system through an aiming scaleplate and a reference point. The method comprises the steps that a right-angled prism is fixed in an aiming chamber on a service tower, and a reference optical axis is given by means of the right-angled prism; a long transverse graduated line of the aiming scaleplate is set along the reference optical axis, and sequential aiming points formed by the long transverse graduated line of the aiming scaleplate and short vertical lines are determined; the reference point and an inspection point are set on the ground outside the service tower; the reference point, the inspection point and a corresponding pole instrument are centered; the geodetic azimuth between each aiming point on the scaleplate and the reference point and the geodetic azimuth between each aiming point on the scaleplate and the inspection point are mapped and marked in advance and kept effective; an aiming instrument and the selected aiming point are centered; and the angle difference of the inspection point, the reference point, an inertial measurement unit prism and the geodetic azimuths are measured through the aiming instrument and is converted to be used for measuring the reference azimuth of a rocket body. By the adoption of the method, the purpose of high-precision transmission of the reference azimuth can be achieved, and the use requirement of ground carrier rocket aiming equipment is met.

Description

technical field [0001] The invention relates to a photoelectric measurement method, in particular to an azimuth photoelectric measurement method. Background technique [0002] There are differences between the overall plan of the new-generation rocket and the design of the current rocket. It is required to continuously monitor the aiming angle of the rocket body until the moment of firing is fired when the launch site is unattended. Existing rocket aiming systems cannot meet aiming requirements. [0003] In practice, the rocket navigates through the inertial unit, and the housing of the inertial unit is equipped with a right-angle prism, that is, the rocket aiming prism (also known as the inertial group prism). North (N) azimuth included angle can complete the ground aiming work. How to quickly and accurately measure the reference azimuth of launch aiming and accurately transfer it to the aiming room on the service tower, and give it to the ground aiming equipment is a ke...

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide a method for the rocket aiming system to obtain the reference position by aiming at the scale and the reference point on the service step, and to use the aiming scale and the reference point to solve the problem that the reference position cannot be quickly and accurately measured and transmitted on the higher service tower technical issues

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