Basics (Math)
The horizontal axis on a graph
What is the x-axis?
What is energy?
The rate of energy transfer
What is power?
The talking time of the pulse.
What is pulsed duration?
A beam's power divided by area.
What is intensity?
Two items associated such that when one item increase the other decreases.
What is inversely related or inversely proportional?
Three acoustic variables
What are pressure, density, and distance?
The distance of one complete cycle
What is Wavelength?
Describes the relationship of beam intensities with time
What is Duty factor?
Special form of inverse relationship when multiplied together equal one.
What is reciprocal relationship?
What is longitudinal waves?
The number of particular events that occur in a specific duration of time
What is frequency?
Duty factor is 100% or 1.
What is continuous wave?
The largest intensity
What is SPTP?
The prefix for 106
What is Mega?
Results in the formation of a single wave of greater amplitude.
What is Constructive interference?
The sound parameter determined only by the medium through which the sound is traveling.
What is Propagation speed?
Pulsed parameters that change with imaging depth.
What are PRP, PRF, and duty factor.
When SPTA=SPPA and SATA=SAPA
What is continuous wave?
500 Hertz converted to GigaHertz.
What is 5 x 10-7?
Type of waves that result in complete destructive interference
What is out-of-phase waves with equal amplitude?
What are period, frequency, amplitude, power, intensity, wavelength and Propagation speed?
The five pulse parameters
What are pulsed duration, pulse repetition period, pulse repetition frequency, duty factor, and spatial pulse length?
What is SPTA?