Quick Review for Mid-term Exam

Think yourself first and then click on the words for further understanding. Hope the best!


mechanical wave  Longitudinal wave   Acoustic variable

Cycle:    Frequency  Period  Wavelength  Propagation speed

Pulse repetition Frequency (PRF)   Pulse repetition period (PRP)

Pulse Duration (PD)   Duty factor:   Spatial pulse length (SPL)

Amplitude  Power  Intensity    Spatial peak (SP)   


Spatial average (SA)   Temporal peak (TP)   Temporal average(TA):

Attenuation:  Absorption   Scattering   Reflection   echo  Decibel:

Attenuation coefficient  Half-intensity depth