介绍了一种采用光栅数显装置的绝对零位系统进行大直径测量的新方法。
This article introduces a new way which applies absolute zero position system of grating digital readout-instrument to measuring large diameter.
在自行设计的动态误差实验系统中，同步采集标准信号（电机脉冲数）和测量信号（光栅脉冲数），实时比对分离出动态误差。
In a self-designed dynamic error experimental system, the standard signal (motor pulses) and the measured signal (grating pulses) were collected synchronously, and isolated the dynamic error.
这种光纤激光器具有波长调节准确，调谐速度快，成本低的优点，可用于作为多波长光纤传输系统的发射光源或系统检测光源，进一步增加级联光栅的组数可实现更大调谐范围。
The fiber laser takes the advantage of high accurate wavelength, fast tuning and low cost. More widely wavelength tuning can be achieved by adding the numbers of concatenated fiber Bragg gratings.
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