【摘要】 介绍了码检仪采用模拟量测量方式的原理、组成及存在的问题;提出了码检仪的数字化途径、原理和所有光栅检测参数的数字化测量,并对数字化测量进行了误差分析。通过对两种测量方式的比较,对数字化测量存在的问题提出了解决办法。更多还原

【Abstract】 The principle and constitution and the existed problems of analog measurement mode used in the encoder tester are presented. Digitization approach, principle of an encoder tester and the digital measurement for grating detection parameters are proposed. The error analysis for digital measurement is carried out. The solving methods for the problems existed in digital measurement are proposed through comparing two measurement modes.更多还原