∫-∞∞ⅇ-ⅈ⁢t⁢ω⁢ϕn⁡(t)⁢ⅆ⁡t=(-ⅈ)n⁢2⁢π⁢τσ⁢Λn⁢ϕn⁡(τσ⁢ω)⁢χσ⁡(ω),