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分析了用光电编码器测量直线位移的原理 ,介绍了用数字电路和单片机两种实现直线位移的测量方法。两种方法都能够解决光电编码器测量直线位移时的符号判别及加减运算问题 ,可以在不同的应用场合使用
The principle of measuring linear displacement with photoelectric encoder is analyzed. The measurement method of linear displacement with digital circuit and single chip microcomputer is introduced. Both of these methods can solve the problem of sign discrimination and addition and subtraction when measuring linear displacement of a photoelectric encoder and can be used in different applications