Term
| What term is used to describe the amount of time for which a transmit pulse lasts? |
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Definition
Pulse Duration.
Pulse duration is the time for which a transmit pulse lasts. |
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Term
| What term is used to describe the time until a transmit pulse is repeated? This includes the the pulse and listening time. |
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Definition
Pulse Repetition Period.
Pulse Repetition Period is the time until a transmit pulse is repeated. |
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Term
| How are PRP and PRF related? |
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Definition
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Term
| What is the Round Trip Travel Time for soft tissue? |
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Definition
13 X 10^(-6) seconds/cm
(13 microseconds/cm) |
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Term
| Name the two doppler modes. |
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Definition
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Term
| Which type of doppler cannot be used for imaging? why? |
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Definition
| Continuous! It is continuously sending waves and cannot distinguish distances |
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Term
| How is pulse duration calculated? |
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Definition
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Term
| what is the unit for Pulse Repetition Period? |
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Definition
| Time- Sec, microsec, ect. |
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Term
| What is the detailed equation for Pulse Repetition Frequency? |
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Definition
PRF= 1/ PRP meaning...
1/(n*T)+(PTTT*depth) |
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Term
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Definition
| Duty Factor is the fraction of percentage of time the machine is "on" |
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Term
| what is the normal Duty Factor range? List both numerical and percentage. |
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Definition
Duty Factor:
0.001- 0.01 OR 0.1-1% |
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Term
| How are SPL and PD related? |
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Definition
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Term
| What is Spatial Pulse Length (SPL)? |
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Definition
| Spatical Pulse Length is the length or distance that pulse occupies in space. |
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