Bionet FC-700 - Page 48

Rev.2.41 48
Fetal Monitor FC-700 Operating Manual
P
Wo
Output Power / Time average acoustic power at
the source
Pα
W.3(Z)
Attenuated Output Power / Time average
acoustic power derated to depth z
P1
Wo1
Bounded Output Power / Power emitted from the
central 1cm of aperture
pi
PII
Pulse Pressure Squared Integral / Pulse intensity
integral
pr
pr
Peak-Rarefactional Acoustic Pressure
prα
pr.3
Attenuated Peak-Rarefactional Acoustic Pressure
prr
PRF
Pulse Repetition Rate / Pulse repetition
frequency
TI
TI
Thermal Index
TIB
TIB
Bone Thermal Index
TIC
TIC
Cranial-Bone Thermal Index
TIS
TIS
Soft-Tissue Thermal Index
td
PD
Pulse Duration
X, Y
x-12,y-12
-12 dB Output Beam Dimensions
Z
Z
Distance from the Source to a Specified Point
Zb
Zsp
Depth for TIB / Depth at which the relevant index
is maximum
Zbp
Zbp
Break-Point Depth
Zs
Zsp
Depth for TIS / Depth at which the relevant index
is maximum