| 摘要 |
<p>The system has a spatial resolution multiplier for generating a digital signal changing a state by N1 times by a magnetic period from two quadrate analog signals (COS1, SIN1), where N1 is an integer number greater than or equal to 4. A calculator determines an instantaneous angular phase difference between a magnetic field viewed by a fixed magnetic sensor (5) and another magnetic field viewed by another fixed magnetic sensor (6), according to the digital signal. An independent claim is also included for a method for measuring an axial movement of a movable piece.</p> |
