RU2009125858A - RANGE MEASUREMENT METHOD AND OPTICAL-ELECTRONIC SYSTEM (ECO) SEARCH AND SUPPORT (OPTIONS) - Google Patents

Abstract

 1. The method of measuring range in the optical electronic system (ECO) search and tracking targets, including! receiving radiation from the target using two receivers located at a basic distance from each other, equipped with highly directional antennas A1 and A2; ! measuring the angles between the directions of receiving the radiation of the target by the antennas A1 and A2 and the reference direction, respectively, which is taken as the perpendicular to the line A1 A2; ! calculating the distance to the target using the formula! ! where D is the distance from the antenna A1 to the target; ! B is the length of the base segment between the optical axes of antennas A1 and A2; ! β1, β2 are the angles between the directions of receiving the radiation of the target by the antennas A1 and A2 and the reference direction, respectively, and the angular deviations to the left of the reference direction are considered positive, and to the right - negative,! angles β1, β2 are measured by scanning antennas A1 and A2, characterized in that the angles are measured by two tracking direction-finding devices, the elements of which are target radiation receivers with highly directional antennas A1 and A2 and angle sensors β1 and β2, while the optical axis of antennas A1 and A2 are continuously and automatically aligned with the direction to the target, and the zero positions of the sensors β1, β2 are aligned with the reference direction. ! 2. Optoelectronic system (OES) for target search and tracking, consisting of a laser rangefinder, a resolver, a direction finding channel, which generates a mismatch signal between the optical axis of the channel and the direction to the target and containing A1 antenna as a part of a moving antenna for automatically tracking the target in the direction mirror 3, with angle sensors β1, ε1 and

Claims (3)

1. The method of measuring range in the optical electronic system (ECO) search and tracking targets, including receiving radiation from the target using two receivers located at a basic distance from each other, equipped with highly directional antennas A1 and A2; measuring the angles between the directions of receiving the radiation of the target by the antennas A1 and A2 and the reference direction, respectively, which is taken as the perpendicular to the line A1 A2; calculating the distance to the target using the formula

, where D is the distance from the antenna A1 to the target; B is the length of the base segment between the optical axes of antennas A1 and A2; β1, β2 are the angles between the directions of receiving the radiation of the target by the antennas A1 and A2 and the reference direction, respectively, and the angular deviations to the left of the reference direction are considered positive, and to the right - negative, angles β1, β2 are measured by scanning antennas A1 and A2, characterized in that the angles are measured by two tracking direction-finding devices, the elements of which are target radiation receivers with highly directional antennas A1 and A2 and angle sensors β1 and β2, while the optical axis of antennas A1 and A2 are continuously and automatically aligned with the direction to the target, and the zero positions of the sensors β1, β2 are aligned with the reference direction. 2. Optoelectronic system (OES) for target search and tracking, consisting of a laser rangefinder, a resolver, a direction finding channel, which generates a mismatch signal between the optical axis of the channel and the direction to the target and containing A1 antenna as a part of a moving antenna for automatically tracking the target in the direction mirror Z, with angle sensors β1, ε1 and drives β1, ε1 along two mutually perpendicular axes and with an optical system, an image analyzer with a radiation receiver and a control unit, characterized in that in the ECO an additional direction-finding channel, similar to the main one and located at a base distance B from it, is used, which is used in the mode of precise tracking of the target in the direction, antenna A2 of which, to switch to automatic tracking, is preliminarily aimed at the target by control signals β1, ε1 of the main direction-finding channel, and from the sensor outputs angles of direction finding channels, the zero positions of which are aligned with the reference direction, signals proportional to angles β1, β2 are fed to the inputs of the resolving device for calculating lized target range by the formula

, where D is the distance from the antenna A1 to the target; B is the length of the base segment between the optical axes of antennas A1 and A2; β1, β2 are the angles between the directions of receiving the radiation of the target by antennas A1 and A2 and the reference direction, respectively, and the angular deviations to the left of the reference direction are considered positive, and to the right - negative. 3. The optoelectronic search and tracking system according to claim 2, characterized in that the main and additional direction finding channels located from it at a basic distance B are placed on a movable platform with drives controlled along two mutually perpendicular axes by the signals of the main channel β1 and ε1 s the output of the resolver in such a way that the reference direction and the optical axis of the antenna A1 coincide in direction and the angles β1 = 0, ε1 = 0, and the signal proportional to the angle β2, which in practice is of small value, is input to the input of the resolver devices for calculating the distance to the target according to the formula:

, where D is the distance from the antenna A1 to the target; B is the length of the base segment between the optical axes of antennas A1 and A2; β2 is the angle, expressed in radians, between the direction of the radiation of the target by the antenna A2 and the reference direction, and the angular deviations to the left of the reference direction are considered positive, and to the right - negative.