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Ultrasound axial resolution

  1. Nov 6, 2015 #1
    Hi
    the image below taken from http://www.gammex.com/ace-files/manuals/411LE_Users_Guide.pdf

    shows an ultrasound axial resolution phantom. I do not understand why the black dots on the phantom are stretched up-and-down in the ultrasound image. I do understand though why they get wider.

    Please can someone explain why the dots get taller
    Thank you
    upload_2015-11-6_23-24-39.png
     
  2. jcsd
  3. Nov 11, 2015 #2
    Thanks for the post! This is an automated courtesy bump. Sorry you aren't generating responses at the moment. Do you have any further information, come to any new conclusions or is it possible to reword the post?
     
  4. Nov 11, 2015 #3
    does it perhaps have anything to do with beam softening?
     
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