Samsung SONOACE R3 Uživatelský manuál stáhnout pdf (Strana 137)

100

101

Chapter 5 Measurements and Calculations

5-13

The equations used for D Velocity measurement are as follows:

 Doppler Velocity (A/B)

This is a basic measurement that is available in Spectral Doppler Mode only. You can specify two points

in a Spectral Doppler image and measure the velocity at each point to calculate the ratio of the velocity

between them.

You can calculate up to 4 sets of velocity ratios. The points representing each set are dierentiated into

Point A and B.

1. Press the Sofmenu button [1] Distance to select Doppler Velocity (A/B). “Doppler Velocity (A/B)” is

displayed on the left side of the screen.

2. Specify two points to measure velocity for.

X

Place the cursor at a desired position with the trackball, and press the Set button.

3. When the measurement is nished, its result is shown on the screen.

X

V_A: Velocity at Point A

X

V_B: Velocity at Point B

X

RI: Resistivity Index

X

A/B: The Ratio of Velocity

1 2 ... 132 133 134 135 136 137 138 139 140 141 142 ... 307 308

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