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中文摘要：
提出一种新的直线驱动压电陶瓷的方法。通过压电陶瓷对可调谐法布里-珀罗（F-P）腔进行驱动，从而改变F-P腔的透射光波长，使用光栅阵列对透射光波长进行定位，找出压电陶瓷的电压一位移特性曲线，并对此曲线取反函数作为新的驱动电压曲线，使压电陶瓷能得到直线驱动。最后使用了F-P腔对这种方法驱动的压电陶瓷运动曲线进行了测试，结果表明，使用这种驱动方法的压电陶瓷运动曲线与曲线起点到终点的直线方差的积分为393．78，而使用三角波电压驱动的压电陶瓷运动曲线与曲线起点到终点的直线方差的积分为44554．65，可见这种方法使线性程度得到提高。
英文摘要：
A new piezoelectric ceramic linear driving method has been presented in this paperer. The tunable Fabry-Perot （F-P） cavity is driven by piezoelectric ceramic, thus the wavelength of transmission light through the tunable F-P cavity can be changed. The transmission light wavelength is calibrated by a grating array, so the voltage- displacement characteristc curve of the piezoelectric ceramic can be obtained, fitting the inverse function of this curve as a new drive voltage curve,which can drive the piezoelectric ceramic move as a straight line. The movement curve of piezoelectric ceramic driven by this method has been tested by using the tunable F-P cavity,and the result shows that the use of this method to drive the piezoelectric ceramic, the variance of the movement curve and the straight line which shares the start and end point of the movement curve is 393.78,compared with the result of driving by trian- gular wave voltage which is 44 554.65,the linearity is greatly improved.
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