form or by any means, electronic, mechanical, photocopying, recording, or likewise. For information regarding permission(s), write to: Rights and Permissions Department, Pearson Education, Inc., Upper Saddle River, NJ 07458. 17–2 CHAPTER 17. The Fourier Transform [c] f + (t) = te−at , f − (t) = −te−at 1 , (s + a)2 L{f + (t)} = Therefore F (ω) = AP 17.4 [a] f (t) = . ·. 2A , τ = f (t) = −2A , τ 0<t< τ 2 2A 2A [u(t + τ /2) − u(t)] − [u(t) − u(t − τ /2)] τ τ 4A 2A 2A u(t + τ /2) − u(t)…
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