Fourier transform (reference)
Short Fourier facts.
Calculator
How to use
Not FFT
For signals use dedicated software.
Educational use only. For assessments, show reasoning and check boundary cases.
Short Fourier facts.
For signals use dedicated software.
Educational use only. For assessments, show reasoning and check boundary cases.
Model / formula
Fourier hints (not a full transform engine)
Reference
F{rect pulse} ∝ sinc F{e^{−a|t|}} = 2a/(ω²+a²) F{δ(t)} = 1 F{cos(ω₀ t)} ∝ δ(ω±ω₀) (distribution sense)