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Bartlett (``Triangular'') Window
The Bartlett window (or simply triangular window) may be
defined by

(4.31) 
and the corresponding transform is

(4.32) 
The following properties are immediate:
 Convolution of two length
rectangular windows
 Main lobe twice as wide as that of a rectangular window of length
 First side lobe twice as far down as rectangular case (26 dB)
 Often applied implicitly to sample correlations of finite data
 Also called the ``tent function''
 Can replace
by
to avoid including endpoint zeros
Subsections
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