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本文提出了一种新的半导体激光定位技术，它利用半导体激光器的线性调频特性来实现干涉零点的动态定位，突破了传统白光定位的局限，简化了干涉仪设计，并实现了大范围内的零点捕捉，是一种实用的干涉定位技术。
This paper presents a new semiconductor laser positioning technology, which uses the chirp characteristics of semiconductor lasers to achieve the dynamic zero-point positioning, breaking the limitations of the traditional white-light positioning, simplifying the interferometer design and the realization of a wide range of zero Capture, is a practical interferometric positioning technology.