$k_{eff}^2$	Electromechanical Coupling Coeffecient
$f_c$	Center Frequency
$f_t$	Target Frequency
$f_r$	Resonance Frequency
$f_p$	Parallel Resonance Frequency
$f_s$	Series Resonance Frequency
$f_m$	Maximum Admittance Frequency
$f_n$	Minimum Admittance Frequency
$e_{31,f}$	Piezoelectric Constants of Thin Film, 31-Components
${\eta }_p$	Isotropic Loss Factor of Piezoelectric Material
SBW	Sensitivity Fractional Bandwidth Product
BW	Bandwidth
${\mathbf{S}}_t\left(\omega \right)$	Transmitting Sensitivity
${\mathbf{S}}_r\left(\omega \right)$	Receiving Sensitivity
${\mathit{F}}_{pmut}\left(\omega \right)$	Round-Trip Sensitivity
${\rho }_c$	Acoustic Medium Density
$p_t$	Acoustic Pressure
$q_d$	Dipole Domain Source
$u_{tt}$	Structural Acceleration
${\mathbf{F}}_{\mathbf{A}}$	Force Per Unit Area
$\mathbf{n}$	Surface Normal
$Z_M$	Acoustic Impedance
${\rho }_M$	Matching Layer Density
$c_p$	Compression Wave Speed
$r_t$	Top Electrode Radius
$r_p$	Piezoelectric Layer Radius
$r_c$	Cavity Radius
$r_{si}$	Half Pitch Length
$t_e$	Electrode Thickness
$t_p$	Piezoelectric Layer Thickness
$t_{si}$	Passive Diaphragm Thickness
$t_{am}$	Acoustic Matching Layer Thickness
$t_c$	Cavity Depth
$t_{sub}$	Substrate Thickness