Modes, Mechanical transducers, Linear phased array transducer

One dimension: undirectional: depth upward spikes

Which mode appears as a series of upwards spikes?

• A mode

• B mode

• M Mode

__ mode displays are created as a sound pulse is emitted by the transducer, a dot moves at a constant speed across the systems display

__ mode displays are created when a reflection returns to the transducer, it is processed and the moving dot is deflected upward on the screen

The height of the upward deflection is __ to the amplitude of the returning echo

Strong echoes create ___ spikes

Weak echoes create __ spikes

Which axis of an A mode display represents reflector depth?

• X-axis

• Y-axis

• Z-axis

Which aspect of the A-mode is derived from the time-of-flight information of the sound pulse?

• Amplitude

• Pulse duration

• Depth

• PRF

Which axis of an A-mode display represents reflection amplitude?

• x-axis

• y-axis

• z-axis