目录：

1、摘要------------------------------------------------------------------------------------------------------3

2、系统结构----------------------------------------------------------------------------------------------3

3、获取脉冲信号的方法----------------------------------------------------------------------------4

3、1霍尔传感器-------------------------------------------------------------4

3、2 光电传感器-------------------------------------------------------------5

3．3光电编码器-------------------------------------------------------------6

4、硬件连接图及原理------------------------------------------------------------------------------6

5、实验程序及分析-----------------------------------------------------------------------------------8

6．仿真-----------------------------------------------------------------15

7、PROTEL  DXP原理图-------------------------------------------------------------------16

8、PCB图-------------------------------------------------------------------------------------------------16

9、硬件调试结果与分析-------------------------------------------------------------------------17

10、谢词---------------------------------------------------------------------------------------------------17