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Unformatted text preview: 574 The Fourier Transform and Its Applications 0) equals the area under F(s), at least approximately If thi 5 wk test is
- - may still be a Sign error; check this by compa the Sign of the
first moment 0 . with the slope of 13(3) at the orii‘; e signs should be op~
posite. Corresponding c ‘ 3 may also be apl' ' o transform pairs generated
from discrete samples; when a u . - a ed 0 a ram is first used such checks are es— ! I . u , if either, that has a multiplier
N ’1, to see what con - ion has been followed rega * ' n ; 271', and to check that
it is the direct : . sform that uses —i. 0.25 xgkarx2 COS 7m 576 The Fourier Transform and Its Appiications COS 178 11(x v %[5(x+1)+5(x+2) 2cos 7rs cos 3m
+ 5(x-2)+ 5(x— 1}] Hﬂx ”' Sin 7m: 578 The Fourier Transform and Its Applications sincx m5)
[Air j A“... MS} sinc x sgn x P 1 .
-. ~ 1 I
Wmmwﬁmwﬁ) z' . -
a sine x H(x) % 11(3) _ ﬂing ...
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This note was uploaded on 01/16/2011 for the course EL ENGR 115A taught by Professor Abidi during the Fall '10 term at UCLA.
- Fall '10