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==Overview==
Sine-bell apodization used in nmrPipe is defined i-th point as follows:

<math>f(i) = \sin\left( \frac{\pi \cdot off + \pi \cdot (off-end) \cdot i}{tSize-1} \right)^{pow}</math>

where value of <math>off</math> corresponds to value of '''-off''' parameter, <math>end</math> - to '''-end''' parameter, <math>pow</math> - to '''-pow''' parameter. <math>tSize</math> is automatically read from the data file (it's header). Meanings of parameters are described below.

==Parameters==
{|border=1
|-
|parameter||type and range of values||meaning
|-
|'''-off'''||real number, <math>\in [0,1]</math>||starting offset if sine bell in units of <math>\pi</math>
|-
|'''-end'''||real number, <math>\in (-off,1]</math>||ending offset if sine bell in units of <math>\pi</math>
|-
|'''-pow'''||real number, <math>\in (-\infty,\infty)</math>, but '''typical values are 1.0 and 2.0'''||exponent of the apodization function
|-
|'''-c''','''-start''','''-size''','''-one''','''-hdr''','''-inv'''||colspan=2|extra parameters that apply to all available window functions; '''-c''' is the most frequently used one
|}
[[Category:NMRPipe manuals]]
[[Category:NMRPipe]]

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