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ch 8 axial resolution
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axial resolution
the ability of the system to display two structures that are very close together when the structure is parallel to the sound beams main axis
axial resolution formula
axial resolution = SPL/2
little numbers are good
axial resolution also called
Lard
longitudinal
axial
range
radial
depth
axial resolution units
mm cm distance
axial resolution is determined by
spl
formula for spl
wavelegnth x # cycles
formula for wavelegnth
c/f
what limits the number of cycles in a pulse
damping material
what kind of transducers have the best axial resolution
high freq highly damped transducers
what are the two formulas for freq
=1/period
= c of element/ thickness of element x 2
spl and axial resoulution are related
inversely
spl and wavelegnth are related
directly
f and wavelegnth are related
inversely
what transducer component effect axial resolution
frequency
damping
ar in soft tissue
ar= (.77 x # cycles) / f
Author
rbeacr
ID
141820
Card Set
ch 8 axial resolution
Description
axial resolution
Updated
2012-03-15T20:43:38Z
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