| 单词 | Fourier series |
| 释义 | Fourier series An expansion of a periodic function as a series of trigonometric functions. Thus, f(x) = a0 + (a1cosx + b1sinx) + (a2cos2x + b2sin2x) + … , where a0, a1, b1, b2, etc., are constants, called Fourier coefficients . The series is used in Fourier analysis |
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