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本文叙述了在相干长度测量中条文级次的测定方法,还较详细地论述了用变角度法测定全息相干的条纹级次和变形大小及变形方向的具体方法。
In this paper, we describe the method of determining the order of coherence length, and also describe in detail the method of determining the coherent fringe order, the deformation size and the deformation direction by using the variable angle method.