دانلود مقاله سیستم های اندازه گیری
موضوع : مقاله سیستم های اندازه گیری The Auto-collimator is a single instrument combining the functions of a collimator and a telescope to detect small angular displacements of a mirror by means of its own collimated light. The two reticles are positioned in the focal plane of the corrected objective lens, so that the emerging beam […]