METHOD FOR MISSILE GUIDANCE Russian patent published in 2003 - IPC

FIELD: missile guidance, in particular, guidance of missiles positioned on ground-based or mobile launchers. SUBSTANCE: the second aiming line is formed and matched simultaneously with the first aiming line. Missile deviation from the second aiming line is measured, and the second control command is formed in accordance with its deviation. The signal to the controls of the missile is generated in accordance with the sum of the first and second control commands. The second aiming line is formed at an acute angle to the first one. The brightness of the aiming marks of both aiming lines is periodically changed from the moment of missile launching to the moment of target hit. EFFECT: enhanced accuracy and speed of response of guidance, as well as enhanced antijamming capability and protection at guidance.