Physics 3

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Across
  1. 4. the maximum variation that occurs in an acoustic variable
  2. 8. the image memory divides the cross-sectional image into these
  3. 10. spatial pulse length equals the number of cycles in the pulse multiplied by _____
  4. 11. compensates for attenuation
  5. 14. the abbreviation for pulsed wave
  6. 15. the ratio of the maximum to the minimum intensity that can be displayed
  7. 17. unit for power
  8. 18. sound travels most slowly in these
Down
  1. 1. a broad spectrum indicates _____ flow
  2. 2. the resistance to flow offered by a fluid
  3. 3. wavelength in soft tissues _____ while frequency increases
  4. 5. a sector scan is composed of many scan lines with a common _____
  5. 6. nonlinear wave propagation of ultrasound in tissues
  6. 7. gain and attenuation are usually expressed in
  7. 9. the brightness of an echo, as presented on the display, represents the _____ of the echo
  8. 12. quantitative presentation of frequencies contained in echoes is called _____ analysis
  9. 13. flow resistance depends most strongly on vessel _____
  10. 16. the abbreviation for continuous wave