Term
|
Definition
The TIME it takes a wave to vibrate a single cycle, or the TIME from the start of a cycle to the start of the next cycle. |
|
|
Term
|
Definition
The number of particular events that occurs in a specific duration of TIME. |
|
|
Term
What are the units for PERIOD? |
|
Definition
Period is reported in units of TIME, such as seconds, milliseconds, hours, or days. |
|
|
Term
What is the typical value range of PERIOD in diagnostic ultrasound? |
|
Definition
They typical value of period in diagnostic ultrasound is:
0.1 to 0.5 µs |
|
|
Term
Is PERIOD determined by the source or the medium? |
|
Definition
|
|
Term
Is PERIOD adjustable by the sonographer? |
|
Definition
|
|
Term
What are the units for FREQUENCY? |
|
Definition
Frequency is reported in units of per second, 1/second, hertz, or Hz.
1 cycle/second = 1 Hz |
|
|
Term
What is the typical value range of FREQUENCY in diagnostic ultrasound? |
|
Definition
In clinical imaging, frequency ranges approximately from 2 MHz to 10 MHz. |
|
|
Term
Is FREQUENCY determined by the source or the medium? |
|
Definition
|
|
Term
Is FREQUENCY adjustable by the sonographer? |
|
Definition
|
|