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研究自傅里叶函数的构造法则,给出了和Caola的法则互为补充的法则:f(x)=g(x)g(-x)+gF(x)*gF(-x)。分析了它的优缺点。最后,导出了构造自傅里叶函数法则的最简表达式
Studying the construction rule of Fourier function, we give the rule of complementing Caola’s law: f (x) = g (x) g (-x) + gF (x) * gF (-x). Analyze its advantages and disadvantages. Finally, the simplest expression constructed from Fourier’s law is derived