sector scan


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sec·tor scan

in ultrasonography, a system in which the transducer or transmitted ultrasound beam is rotated through an angle, resulting in a wedge-shaped image.

sector scan

[sek′tər]
an ultrasound scan in which the transducer or ultrasound beam is rotated through an angle and the center of rotation is near or behind the surface of the transducer.

sec·tor scan

(sek'tŏr skan)
ultrasonography A system in which the transducer or transmitted ultrasound beam is rotated through an angle, resulting in a wedge shaped image.
References in periodicals archive ?
As shown in Figure 1, the sector scan differs from the circular scan in that the antenna moves back and forth across a segment of angle.
As such the system should have the ability to vary its operation between standard scanning strategies (volume coverage patterns: VCP) and research modes that may include the use of sector scans and vertical scans (range height indicators: RHI).
RF complex types are deemed to be less-than-desirable donors (unless some predictable pattern exists with which the receiver can be synchronised) as are emitters performing sector scans.