WINDOWS - II 
TUKEY — HAMMING 
W ($) = 0.23 Du(?— 45 }+o54 Dy (4) + 
0.23 D cs 
um 02004(0 +g) 
On 
W (4) = 0.25 Dy (e- wos D,() + 0.25 Du(® + 
Mi a) 
2n M 
PARZEN 
1 —6(r/M)? + 6(|r|/M)> |r| < W (4) ~ —3_ | Sin (Mg/4)_ {4 
wioef (r/M)2 + 6(\r/M)> Ir] < M2 ~~, {5 “ | 
BARTLETT - PRIESTLEY 
aM fy _ (MBVT ig < 
st SETA sly (ME) }--1#1< nm 
w(r)= a ai |¢| > 7/M 
Fig. 2.14. Various window pairs (Il). 
34 
