INTERFERENCE METHOD MEASURING ANGLE OF TURN OF OBJECT

摘要

instrumentation, remote control over position of objects. SUBSTANCE: proposed interference method solves problem of measurement of angle of turn of object thanks to formation of electric signals of various frequencies which depend on value of measured angles. Monochromatic collimated radiation beam illuminates simultaneously reference and measurement reflectors, the latter being coupled to controlled object. Distribution of intensities in interference picture formed by beams reflected from reference and measurement reflectors is recorded. Interference picture is converted to sequence of rectangular pulses. Pulse recurrence rate is measured. Angle alpha of turn is found from relation alpha=k . f, where f is pulse frequency; k is constant coefficient. EFFECT: increased accuracy of measurement of angle of turn of object. 2 dwg