PRACTICAL APPLICATION OF THE FOURIER INTEGRAL 705 

 Continued 



Cause: Unit Step (— ^, +2) 

 Effect: ^niY{p)lp'] 



Cause : Unit Cisoid X Unit Step ( —f, -\-\) 

 Effect: S)/^[F(/>)/(p-^o)] 



X 



2a' 

 623, 415* 



at < zhx 

 — at < X < at 



2apo 

 1 



e^o'' sinh (atpo), 



at < dcx 



2apo 

 624, 440= 



[ePo»= cosh (atpo) — 1], 



— at < X < at 



