作者: G Hagg , T Laurent
DOI: 10.1088/0950-7671/23/7/307
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摘要: A machine is described which will perform a purely electric summation of Fourier series. The actual constructed can add sixteen sine and cosine terms, but there nothing to prevent an increase in the number terms sum series be determined directly at intervals 6° over range 0-2π principally intended for performing synthesis X-ray crystallography. It also used harmonic analysis.