Acta Optica Sinica, Volume. 11, Issue 8, 749(1991)
Application of moire technique and Lau effect in the leading mark
This paper deals with the application of the moire technique and lau effect in the navigation leading mark. The moire fringes can be seen at an infinite distance, and its shape not only shows the direction to be corrected but also gives the deviation, distance in definite quantity.
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[in Chinese]. Application of moire technique and Lau effect in the leading mark[J]. Acta Optica Sinica, 1991, 11(8): 749