Sound
The properties of the medium that determine wave velocity.
What is density and stiffness
The units for impedance
What is Rayls?
absorption, reflection, scattering
What are the mechanisms of attenuation?
Reflection angle is equal to
What is incident angle?
The way the sonographer increases the PRP.
What is increasing the depth
concentration of mass
What is density
Frequency and attenuation coefficent are _________ related
What is directly?
Reflections off a boundary smaller than the wavelength .
What is scattering, non-specular or diffuse reflections.
Frequency/Bandwidth
What is Q Factor
What is power
The units for intensity
What is watts/cm²
The requirements for refraction
What is oblique incidence and different prop speeds.
What is bandwidth?
What is decibels?
The amount of attenuation of sound per centimeter of soft tissue
What is the attenuation coefficient?
1-IRC=
What is the ITC
What is refraction?
3dB/attenuation coefficient
What is the HVL
The properties of the medium that determine impedance.
What is density and propagation speed.