An improved numerical method of two-dimensional fourier synthesis for crystals
作者： H Lipson , C A Beevers
DOI: 10.1088/0959-5309/48/5/310
关键词: Fourier transform 、 Mathematical analysis 、 Division (mathematics) 、 Trigonometric functions 、 Geometry 、 Sine and cosine transforms 、 Sine wave 、 Mathematics 、 Symmetry (physics) 、 Numerical analysis 、 STRIPS
摘要: It is shown that a two-dimensional Fourier summation for crystal without centre of symmetry can be resolved into one-dimensional summations, and these latter calculated very rapidly by using set printed strips which give cosine sine waves different wave-lengths amplitudes. The most useful interval division the strips, various features concerning their use, are described.
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