Table 2.2. Effect of spectral windows. 
EQUIV. 
DEG. OF 
FREEDOM 
WINDOW 
BANDWIDTH 
CHARACT. 
EXPONENT 
TRUNCATED 
PERIODOGRAM 
BARTLETT 
DANIELL 
TUKEY 
— GENERAL 
TUKEY 
— HAMMING 
TUKEY 
— HANNING 
M 
m2 
PARZEN : 
2 
BARTLETT 
— PRIESTLY 
! 
| 
o 
e 
—————— ————— 
Ee 
o(% 
ow 
& 
z\|z 
=|2 
The spectral windows that make the spectral estimate consistent also affect the 
estimate in several other ways, as was summarized in Section 2.5.4. The most important 
parameter of this window is the size of M, which determines the window bandwidth 
(BW), that is by Priestley~> expressed as, 
By =—— {uo}, (2.115) 
M 
where 
Dexia 1] SEE) ||. (2.116) 
u->0 lulg 
43 
