This preview has intentionally blurred sections. Sign up to view the full version.
View Full Document
Unformatted text preview: EE 228 Quiz 4 Winter 2007 Name: Problem #1 Find and sketch the magnitude and phase spectrum of the Fourier transform of the following
functions: 5} (21) x0”) = e”’u(r), where a is real and negative. 3 (b) y(r)=6<r—I) °° 4: £37
(a) xzmzjo a? 631 ft dt
°° Canimflt _ éaﬁmfﬁ’lf ' I
e“. _ a‘jzﬁf :. raiijmf
 MM H b lXﬁWW .  " Elf.
(Xi?) ~—’£‘0m ta) (bw Em <=1'_ ,,
‘ «3.2m
Hithé‘ttI) C?) J: a
WLM ‘4 if Ewan“ Problem #2
1
Giventhat H(f)=1+jf,  E < (a) The magnitude of H(0).
(b) The phase of H(0), expressed as a number in the interval [0,270. ﬁnd the following: ‘ (c) The magnitude of H( 1).
E C
(d) The phase of HG), expressed as a number in the interval [0,210.
2 ~— (e) Sketch the magnitude spectrum and phase spectrum of H09. [Html'é (b), 1 [HM i: 0 _ I
(C) H“) : 1+3 (e) [HG] z: ~tqnit on: tuft:0 ...
View
Full Document
 Spring '08
 HARRIS

Click to edit the document details