matlab

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  一种积分变换，它来源于函数的傅里叶积分表示。积分 （1） 称为? 的傅里叶积分。周期函数在一定条件下可以展成傅里叶级数，而在（－∞，∞）上定义的非周期函数?，显然不能用三角级数来表示。但是J.-B.-J.傅里叶建议把?表示成所谓傅里叶积分的方法。(An integral transformation derived from the Fourier integral representation of functions. The integral (1) is called the twin Fourier integral. The periodic function can be extended to Fourier series under certain conditions, while the non-periodic function twin defined on (-, u) obviously cannot be expressed by trigonometric series. But J. -B. -J. Fourier suggested that twins be represented as so-called Fourier integrals.)

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Untitled4.asv, 2379 , 2018-12-03
Untitled4.m, 2366 , 2018-12-03