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Distribution in size of the irregularities next up previous
Next: Scattering and apparent diameter Up: The Interstellar medium Previous: The Fresnel distance

Distribution in size of the irregularities

 

tex2html_wrap_inline3922   Energy input at large scales, loss at small scales
tex2html_wrap_inline3922   Kolmogorov distribution tex2html_wrap_inline4378
tex2html_wrap_inline3922   for Kolmogorov
tex2html_wrap_inline3922   = mean square fluctuation
tex2html_wrap_inline3922   Limited range of scale sizes play a role

   figure346
Figure 13: Scale sizes responsible for scintillation. (i) tex2html_wrap_inline2812 (ii) tex2html_wrap_inline2814 . Below A phase deviation is less that 1 radian. Below B path is less than the Fresnel distance so no interference. From Lyne & Graham-Smith 1990 [23]



Jon Bell
Thu Dec 19 15:15:11 GMT 1996