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一、绪言对于莫尔条纹的电子学细分、锁相技术的应用大约开始于六十年代初期。英国Goulder Mikron公司的齿轮单面啮合检查仪、齿距仪。苏联的БB—5058、БB—5059和БB—3244齿轮测量仪器等产品上均有锁相倍频技术的应用。我国成都工具研究所研制的单测头式齿轮整体误差测量仪及天津大学与天津第一机床厂研制的GYQ—80型光栅式齿轮误差检查仪,对光栅莫尔条纹的细分,也采用了锁相倍频技术。锁相倍频细分方法具有细分数高、对光栅
I. INTRODUCTION For the electronic division of moiré fringes, the application of phase-locked technology began approximately in the early 1960s. Goulder Mikron gear meshing tester, pitch meter. The Soviet Union БB-5058, БB-5059 and БB-3244 gear measuring instruments and other products are phase-locked frequency doubling technology applications. China’s Chengdu Institute of Tools developed a single head-type gear overall error measuring instrument and Tianjin University and Tianjin Machine Tool Plant developed the first GYQ-80-type grating gear error tester grating sub-division of the moiré also used Phase Locked Frequency Technology. Phase-locked frequency-division method has a high subdivision, the grating