傅里叶系数由Fourier coefficient 翻译而来,有多个中文译名。它是数学分析中的一个概念,常常被应用在信号处理领域中。对于任意的周期信号,如果满足一定条件,都可以展开三角函数的线性组合,每个展开项的系数称为傅里叶系数。
若正交函数为复指数集,其系数正好是傅里叶系数。
The coefficients are Fourier coefficients to the moment when the orthogonal functions are complex exponential functions.
分析了从傅里叶系数或真实线形分离晶粒尺寸和微观应变的可靠性;
The reliability of the separation of size- and strain-broadening from Fourier coefficients or deconvoluted profile is estimated.
应用勒让德多项式的加法定理和类似于求傅里叶系数的方法,导出了新展式中系数的普遍表达式。
The method, which we use to derive the general expressions for the new coefficients in the development of gravity anomaly Ag(m, a), is analogous to Fourier's.
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