Temperature Steps
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Temperature step can be defined by calculating the
gradient of temperature anisotropies,
![](lfield.jpg)
Figure 8. Definition of
and
fields.
where the x- and y- component of
are defined as follows
.
![](/Images/wband.jpg)
Figure 9. WMAP 1st-year W-band (94GHz) anisotropy map [5].
![](lfield_moll.jpg)
Figure 10. Temperature step field derived from the above anisotropy
map.
64 pixel-demotion was performed in this calculation.
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