Samsung MySono U5 Bedienungsanleitung PDF herunterladen (Seite 46)

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Operation Manual

Acoustic Output and Measurement

The terms and symbols used in the acoustic output tables are dened in the following paragraphs.

ISPTA.3 The derated spatial-peak temporal-average intensity (milliwatts per square

centimeter).

ISPPA.3 The derated spatial-peak pulse-average intensity (watts per square centimeter). The value of

IPA.3 at the position of global maximum MI (IPA.3@MI) may be reported instead of ISPPA.3 if

the global maximum MI is reported.

MI The Mechanical Index. The value of MI at the position of ISPPA.3, (MI@ISPPA.3) may be

reported instead of MI (global maximum value) if ISPPA.3 is _190W/cm2

Pr.3 The derated peak rarefactional pressure (megapascals) associated with the transmit

pattern giving rise to the reported MI value.

WO Ultrasonic power (Milliwatts). For the operating condition giving rise to ISPTA.3, WO is

the total time-average power; for operating conditions subject to reporting under ISPPA.3,

WO is the ultrasonic power associated with the transmit pattern giving rise to the value

reported under ISPPA.3.

fc The center frequency (MHz). For MI and ISPPA.3, Fc is the center frequency associated with

the transmit pattern giving rise to the global maximum value of the respective parameter.

For ISPTA.3, for combined modes involving beam types of unequal center frequency, Fc is

dened as the overall range of center frequencies of the respective transmit patterns.

ZSP Distance of the axis by which the reported parameters are measured (Centimeters).

x-6,y-6 These are respectively the in-plane (azimuth) and out-of-plane (elevation) -6_

dimensions in the xy plane where ZSP is found (centimeters).

PD The pulse duration (microseconds) associated with the transmit pattern giving rise to

the reported value of the respective parameter.

PRF The pulse repetition frequency (Hz) associated with the transmit pattern giving rise to

the reported value of the respective parameter.

EBD The entrance beam dimensions for the azimuth and elevation planes (centimeters).

EDS The entrance dimensions of the scan for the azimuth and elevation planes

(centimeters).

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Samsung MySono U5 Bedienungsanleitung Seite 46