What this means is a Fast Fourier Transform can decompose A-scans
to yield a separate acoustic image for each sinusoid.
Typically, up to 100'000 A-Scans
can be stored on the device.
Nevertheless, based on the characteristics of the reflected signals on an A-scan
, neurologists could determine if the midline between the cerebral hemispheres had been displaced.
In an A-scan
presentation, the initial sound pulse and the resulting rear wall or discontinuity reflections are displayed on a cathode ray tube (CRT).
RadarView receives, processes and scan converts multiple channels of radar video in normal PPI (plan position indicator) view, and, for more specialist requirements, supports B-Scan and A-Scan
formats - the latter is especially useful for radar configuration and set-up.
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ultrasound indents the cornea causing artifactual shortening of the axial length and is best reserved for eyes with very dense cataracts where laser interferometry cannot be used.
Ultrasonic prove up and flaw detection is performed by a qualified ASNT Level II UT inspector using a pulse echo A-Scan
UT machine in accordance with the company specifications and the contractor's approved procedures.
The RadarView software presents a high-resolution radar display on standard PC hardware with a set of graphical options available to display the captured radar in PPI and A-Scan
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Imperium's flagship product, the Acoustocam(TM), generates real-time, high-resolution images alongside comprehensive A-scan
data and thickness readings.
is said to be very useful in applications where the user needs to verify the echo trace or ensure proper transducer alignment.