Saturday, 16 July 2016

Fourier transform of exponent: Delta pulse or hyperbola?


Why do some tables say that Laplace (or Fourier?) inverse of exponential is a time-shifted delta pulse


δ(t)F1δ(tt0)Fej2πft01Fδ(f)ej2πf0tFδ(ff0)


And table: f(t)=L1{F(s)}F(s)=L{f(t)}eat1sa


whereas others say that it is a (pole) hyperbola rather than a delta-pulse?



eatF1sa




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