POLARIZATION SYSTEM FOR MEASURING PARAMETERS OF PROJECTILE MOVEMENT AROUND THE BARREL OF A RIFLED ARTILLERY GUN Russian patent published in 2023 - IPC G01S17/58 G01P3/36 

FIELD: measuring technology.

SUBSTANCE: invention concerns a polarization system for measuring the parameters of the movement of a projectile along the barrel of a rifled artillery gun. The system comprises a shot sensor, a receiving-transmitting telescopic system, a signal processing unit, including a laser, the radiation of which is directed to the head of the projectile through an optical fibre, a photodetector, an analogue-to-digital converter and a computing device. A polarizer and reflector are installed in the head of the projectile. The radiation reflected from the projectile is directed through the lens of the telescopic system to the input of the fibre-optic collimator, in front of which the analyser of the plane of polarization of the reflected radiation is installed. The output of the photodetector is connected to the input of the differentiating device, and its output through the pulse shaper is connected to the input of the counter of the angular ranges of rotation of the projectile in the gun barrel, the output of the ADC "end of conversion" is connected to the input of the counter of the conversion time intervals of the ADC. According to the digital values of the signal from the ADC, the angles of rotation of the projectile in the gun barrel are calculated at times t _j starting from the moment of the shot.

EFFECT: increasing the accuracy of measuring the parameters of the movement of the projectile along the barrel of an artillery gun.

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