Showing the velocity range of blood flow, for this product, is actually regulating the
measurable range of blood flow velocity.
After adjustment, the color blood flow image can be displayed more clearly and
accurately.
A lower velocity range should be used to measure low velocity blood flow, and a higher
velocity range should be used to measure high speed blood flow.
Aliasing is easy to occur when measuring high-speed blood flow using a lower
velocity range.
If the speed scale is too high, it will result in the loss of smaller blood flow signals.
Used to tilt left and right color blood flow images to obtain more
information without moving the probe.
Changing the incident direction of the acoustic beam in color mode, thus
changing the angle between the acoustic beam and the direction of blood
flow, is only effective for the linear array probe.
The low frequency noise caused by vessel wall vibration is filtered out to display the
image information effectively. This function is used to adjust the cut-off frequency
of the wall filter in Q7 pocket ultrasonic system.
May cause loss of blood flow signals.
Toggles the probe frequency in Doppler mode.
The higher the frequency, the higher the resolution and sensitivity, but the lower the
penetration force.
The B images of adjacent frames are averaged to optimize the images.
Reduce the image noise, optimize the image, make the image more delicate, may
cause the loss of specific information.
Used to set the level of blood flow display, select the preferred black-and-white or
color blood flow display.
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