الگوی مویر برای دو دایره هم اندازه با الگوهای حلقوی

http://demonstrations.wolfram.com/MoirePatternOfTwoEquallySpacedCircularRingPatterns/ The Wolfram Demonstrations Project contains thousands of free interactive visualizations, with new entries added daily. The Moire pattern formed using two displaced equally spaced circular ring patterns illustrates the interference fringes produced by interfering two spherical waves. The spacing of the Moire pattern depends on the separation between the centers of the tw... Contributed by: James C. Wyant